SRM Ergometer Fokus:Diagnostik - User contributions [en]

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MediaWiki:Sidebar

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** Introduction|Introduction

** Mechanical Fundamentals|Mechanical Fundamentals
** Electronic Fundamentals|Electronic Fundamentals
** Calibration of the Ergometer|Calibration
** SRM-Online settings in the SRMWin-Software|SRM-Online settings
** SRM-Online represented practically|SRM-Online practice
** Data Export|Data Export
** Torque Analysis|Torque Analysis
** Manuals|Manuals
** International publications on SRM Ergometer|Publications
** References|References

* Quick Links
** recentchanges-url|recentchanges
** {{SERVER}}{{SCRIPTPATH}}/index.php?title=MediaWiki:Sidebar&action=edit| Edit Navigation

* TOOLBOX

International publications on SRM Ergometer

2016-06-29T08:35:09Z

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{{languages
|de=Internationale Literatur zum SRM-Ergometer
|en=International publications on SRM Ergometer
|cn=International publications on SRM Ergometer
}}

In the following table you will find different collections of publications in which the SRM-Ergometer, the Torque Analysis and the Eccentric Chainrings were used for scientific investigations.

{| class="wikitable sortable"
|+ style="padding-bottom:1em" | Publications SRM-Ergometer
|- class="hintergrundfarbe6"
!style="width:60%"| Publications!! style="width:30%"| Last Update
|-
| [[Media:SRM_Scientific_Publications_06-2016.pdf|SRM Scientific Publications]]
|style="text-align:right"| June 2016
|-
| [[Media:Torque_publications_2015.pdf|Torque Publications]]
|style="text-align:right"| Januar 2015
|-
| [[Media:Eccentric_Chainrings_2015.pdf|Eccentric Chainrings Publications]]
|style="text-align:right"| April 2015
|}

(In the following table you will find current international publications in which the SRM - ergometer and/or the SRM Trainings Systems - were used for scientific investigations.
[[Media:Scientific Publications SRM 2013.pdf|Here]] you find the international literature in a pdf - single document.)

{| class="wikitable sortable"
|- style="vertical-align:top"
|- class="hintergrundfarbe6"
!style="width:30%"| Author!! style="width:30%" | Titel!! style="width:30%" | Publication
|- style="vertical-align:top"
| Abbiss, C.R.; Quod, M.J.; Martin, David T.; Netto, K.J.; Nosaka, K.; Lee, H. et al. (2006)
|style="text-align:left"| Dynamic pacing strategies during the cycle phase of an Ironman triathlon.
|style="vertical-align:top"| Med Sci Sports Exerc 38 (4), S. 726–734
|- style="vertical-align:top"
| Abbiss, C.R.; Quod, M.J.; Levin, G.; Martin, D.T.; Laursen, P.B. (2009)
|style="text-align:left"| Accuracy of the Velotron ergometer and SRM power meter.
|style="text-align:left"| Int J Sports Med 30 (2), S. 107–112.
|- style="vertical-align:top"
| Abel, T.; Burkett, B.; Schneider, S.; Lindschulten, R.; Strüder, H. K. (2010)
|style="text-align:left"| The exercise profile of an ultra-long handcycling race: the Styrkeprøven experience.
|style="text-align:left"| Spinal Cord 48 (12), S. 894–898.
|- style="vertical-align:top"
| Antonutto, G.; Capelli, C.; Girardis, M.; Zamparo, P.; di Prampero P.E. (1999)
|style="text-align:left"| Effects of microgravity on maximal power of lower limbs during very short efforts in humans.
|style="text-align:left"| J Appl Physiol 86(1), S. 85-92.
|- style="vertical-align:top"
| Arkesteijn, M.; Hopker, J.; Jobson, S.; Passfield, L. (2013)
|style="text-align:left"| The Effect of Turbo Trainer Cycling on Pedalling Technique and Cycling Efficiency.
|style="text-align:left"| Int J Sports Med 34 (06), S. 520–525
|- style="vertical-align:top"
| Ashenden, M. J.; Gore, C. J.; Burge, C. M.; Clough, M. L.; Bourdon, P. C.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| Skin-prick blood samples are reliable for estimating Hb mass with the CO-dilution technique.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 79 (6), S. 535–537.
|- style="vertical-align:top"
| Ashenden, M. J.; Gore, C. J.; Dobson, G. P.; Boston, T. T.; Parisotto, R.; Emslie, K. R. et al. (2000)
|style="text-align:left"| Simulated moderate altitude elevates serum erythropoietin but does not increase reticulocyte production in well-trained runners.
|style="text-align:left"| Eur. J. Appl. Physiol. 81 (5), S. 428–435
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C. J.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| "Live high, train low" does not change the total haemoglobin mass of male endurance athletes sleeping at a simulated altitude of 3000 m for 23 nights.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 80 (5), S. 479–484.
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C. J.; Martin, D. T.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| Effects of a 12-day "live high, train low" camp on reticulocyte production and haemoglobin mass in elite female road cyclists.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 80 (5), S. 472–478.
|- style="vertical-align:top"
| Ashenden, M.J.; Hahn, A. G.; Martin, D. T.; Logan, P.; Parisotto, R.; Gore, C. J. (2001)
|style="text-align:left"| A comparison of the physiological response to simulated altitude exposure and r-HuEpo administration.
|style="text-align:left"| J Sports Sci 19 (11), S. 831–837
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C.J.; Parisotto, R.; Sharpe, K.; Hopkins, W.G.; Hahn, A.G. (2003)
|style="text-align:left"| Effect of altitude on second-generation blood tests to detect erythropoietin abuse by athletes.
|style="text-align:left"| Haematologica 88 (9), S. 1053–1062
|- style="vertical-align:top"
| Aughey, R. J.; Clark, S. A.; Gore, C. J.; Townsend, N. E.; Hahn, A. G.; Kinsman, T. A. et al. (2006)
|style="text-align:left"| Interspersed normoxia during live high, train low interventions reverses an early reduction in muscle Na+, K +ATPase activity in well-trained athletes.
|style="text-align:left"| Eur. J. Appl. Physiol. 98 (3), S. 299–309
|- style="vertical-align:top"
| Aughey, R. J.; Gore, C. J.; Hahn, A. G.; Garnham, A. P.; Clark, S. A.; Petersen, A. C. et al. (2005)
|style="text-align:left"| Chronic intermittent hypoxia and incremental cycling exercise independently depress muscle in vitro maximal Na+-K+-ATPase activity in well-trained athletes.
|style="text-align:left"| J. Appl. Physiol. 98 (1), S. 186–192
|- style="vertical-align:top"
| Ashman, S.B.; Monk, T.H.; Kupfer, D.J.; Clark, C.H.; Myers, F.S.; Frank, E.; Leibenluft (1999)
|style="text-align:left"| Relationship between social rhythms and mood in patients with rapid cycling bipolar disorder.
|style="text-align:left"| Psychiatry Res 86 (1), S. 1–8
|- style="vertical-align:top"
| Austin, N.; Nilwik, R.; Herzog, W. (2010)
|style="text-align:left"| In vivo operational fascicle lengths of vastus lateralis during submaximal and maximal cycling.
|style="text-align:left"| J Biomech 43 (12), S. 2394–2399
|- style="vertical-align:top"
|Balmer, J.; Bird, S.; Davison, R.C.R.; Doherty, M.; Smith, P. (2004)
|style="text-align:left"|Mechanically braked Wingate powers: agreement between SRM, corrected and conventional methods of measurement.
|style="text-align:left"| J Sports Sci 22 (7), S. 661–667
|- style="vertical-align:top"
| Balmer, J.; Bird, S.; Davison, R.; Lucia, A. (2008)
|style="text-align:left"| Effect of age on 16.1-km time-trial performance.
|style="text-align:left"| J Sports Sci 26 (2), S. 197–206
|- style="vertical-align:top"
| Balmer, J.; Davison, R.C.; Bird, S.R. (2000)
|style="text-align:left"| Peak power predicts performance power during an outdoor 16.1-km cycling time trial.
|style="text-align:left"| Med Sci Sports Exerc 32 (8), S. 1485–1490
|- style="vertical-align:top"
|Balmer, J.; Davison, R.C.; Bird, S.R. (2000)
|style="text-align:left"| Reliability of an air-braked ergometer to record peak power during a maximal cycling test.
|style="text-align:left"| Med Sci Sports Exerc 32 (10), S. 1790–1793
|- style="vertical-align:top"
| Balmer, J.; Davison, R.C.; Coleman, D.A.; Bird, S.R. (2000)
|style="text-align:left"| The validity of power output recorded during exercise performance tests using a Kingcycle air-braked cycle ergometer when compared with an SRM powermeter.
|style="text-align:left"| Int J Sports Med 21 (3), S. 195–199
|- style="vertical-align:top"
| Bassett, D.R.; Kyle, C. R.; Passfield, L.; Broker, J.P.; Burke, E.R. (1999)
|style="text-align:left"| Comparing cycling world hour records, 1967-1996: modeling with empirical data.
|style="text-align:left"| Med Sci Sports Exerc 31 (11), S. 1665–1676
|- style="vertical-align:top"
| Bentley, D. J.; McNaughton, L. R.; Thompson, D.; Vleck, V. E.; Batterham, A. M. (2001)
|style="text-align:left"|Peak power output, the lactate threshold, and time trial performance in cyclists.
|style="text-align:left"| Med Sci Sports Exerc 33 (12), S. 2077–2081
|- style="vertical-align:top"
| Bertucci, W.; Crequy, S.; Chiementin, X. (2012)
|style="text-align:left"| Validity and Reliability of the G-Cog BMX Powermeter.
|style="text-align:left"| Int J Sports Med.
|- style="vertical-align:top"
|Bertucci, W.; Duc, S.; Villerius, V.; Grappe, F. (2005)
|style="text-align:left"|Validity and reliability of the Axiom PowerTrain cycle ergometer when compared with an SRM powermeter.
|style="text-align:left"| Int J Sports Med 26 (1), S. 59–65
|- style="vertical-align:top"
| Bertucci, W.; Duc, S.; Villerius, V.; Pernin, J. N.; Grappe, F. (2005)
|style="text-align:left"| Validity and reliability of the PowerTap mobile cycling powermeter when compared with the SRM Device.
|style="text-align:left"| Int J Sports Med 26 (10), S. 868–873
|- style="vertical-align:top"
| Bertucci, W.; Grappe, F.; Girard, A.; Betik, A.; Rouillon, J.D. (2005)
|style="text-align:left"| Effects on the crank torque profile when changing pedalling cadence in level ground and uphill road cycling.
|style="text-align:left"| J Biomech 38 (5), S. 1003–1010
|- style="vertical-align:top"
| Bertucci, W.; Grappe, F.; Groslambert, A. (2007)
|style="text-align:left"| Laboratory versus outdoor cycling conditions: differences in pedaling biomechanics.
|style="text-align:left"| J Appl Biomech 23 (2), S. 87–92
|- style="vertical-align:top"
| Bertucci, W.; Taiar, R.; Grappe, F. (2005)
|style="text-align:left"|Differences between sprint tests under laboratory and actual cycling conditions.
|style="text-align:left"| J Sports Med Phys Fitness 45 (3), S. 277–283
|- style="vertical-align:top"
| Billaut, François; Gore, Christopher J.; Aughey, Robert J. (2012)
|style="text-align:left"|Enhancing team-sport athlete performance: is altitude training relevant?
|style="text-align:left"| Sports Med 42 (9), S. 751–767
|- style="vertical-align:top"
| Brickley, G.; Dekerle, J.; Hammond, A.; Pringle, J.; Carter, H. (2007)
|style="text-align:left"|Assessment of Maximal Aerobic Power and Critical Power in a Single 90-s Isokinetic All-Out Cycling Test.
|style="text-align:left"| Int J Sports Med 28 (5), S. 414–419
|- style="vertical-align:top"
| Broker, J.P.; Kyle, C.R.; Burke, E.R. (1999)
|style="text-align:left"|Racing cyclist power requirements in the 4000-m individual and team pursuits.
|style="text-align:left"| Med Sci Sports Exerc 31 (11), S. 1677–1685
|- style="vertical-align:top"
| Brosnan, M. J.; Martin, D. T.; Hahn, A. G.; Gore, C. J.; Hawley, J. A. (2000)
|style="text-align:left"| Impaired interval exercise responses in elite female cyclists at moderate simulated altitude.
|style="text-align:left"|J. Appl. Physiol. 89 (5), S. 1819–1824
|- style="vertical-align:top"
| Cangley, P.; Passfield, L.; Carter, H.; Bailey, M. (2011)
|style="text-align:left"| The Effect of Variable Gradients on Pacing in Cycling Time-Trials.
|style="text-align:left"|Int J Sports Med 32 (02), S. 132–136
|- style="vertical-align:top"
| Carpes, F.P.; Rossato, M.; Faria, I.E.; Bolli Mota, C. (2007)
|style="text-align:left"| Bilateral pedaling asymmetry during a simulated 40-km cycling timetrial.
|style="text-align:left"|J Sports Med Phys Fitness 47 (1), S. 51–57
|- style="vertical-align:top"
| Clark, Sally A.; Bourdon, P. C.; Schmidt, W.; Singh, B.; Cable, G.; Onus, K. J. et al. (2007)
|style="text-align:left"| The effect of acute simulated moderate altitude on power, performance and pacing strategies in well-trained cyclists.
|style="text-align:left"| Eur. J. Appl. Physiol. 102 (1), S. 45–55
|- style="vertical-align:top"
| Clark, Sally A.; Quod, M. J.; Clark, M. A.; Martin, D. T.; Saunders, P. U.; Gore, C. J. (2009)
|style="text-align:left"| Time course of haemoglobin mass during 21 days live high:train low simulated altitude.
|style="text-align:left"| Eur. J. Appl. Physiol. 106 (3), S. 399–406
|- style="vertical-align:top"
| Clark, S.K.; Johnson, Thomas M. (2010)
|style="text-align:left"| Selenium stable isotope investigation into selenium biogeochemical cycling in a lacustrine environment: Sweitzer Lake, Colorado.
|style="text-align:left"| J. Environ. Qual. 39 (6), S. 2200–2210
|- style="vertical-align:top"
|Coleman, D.A.; Wiles, J.D.; Nunn, M.; Smith, M.F. (2005)
|style="text-align:left"|Reliability of sprint test indices in well-trained cyclists.
|style="text-align:left"| Int J Sports Med 26 (5), S. 383–387
|- style="vertical-align:top"
| Doherty, M.; Balmer, J.; Davison, R.C.R.; Robinson, L.; Smith, P.M. (2003)
|style="text-align:left"| Reliability of a combined 3-min constant load and performance cycling test.
|style="text-align:left"| Int J Sports Med 24 (5), S. 366–371
|- style="vertical-align:top"
| Duc, S.; Betik, A-C; Grappe, F. (2005)
|style="text-align:left"| EMG activity does not change during a time trial in competitive cyclists.
|style="text-align:left"| Int J Sports Med 26 (2), S. 145–150
|- style="vertical-align:top"
|Duc, S.; Villerius, V.; Bertucci, W.; Pernin, J.N.; Grappe, F. (2005)
|style="text-align:left"| Muscular activity level during pedalling is not affected by crank inertial load.
|style="text-align:left"| Eur. J. Appl. Physiol. 95 (2-3), S. 260–264
|- style="vertical-align:top"
| Duc, S.; Villerius, V.; Bertucci, W.; Grappe, F. (2007)
|style="text-align:left"| Validity and reproducibility of the ErgomoPro power meter compared with the SRM and Powertap power meters.
|style="text-align:left"| Int J Sports Physiol Perform 2 (3), S. 270–281
|- style="vertical-align:top"
|Eastwood, A.; Sharpe, K.; Bourdon, P.C.; Woolford, S.M.; Saunders, P.U.; Robertson, E.Y. et al. (2012)
|style="text-align:left"| Within-subject variation in hemoglobin mass in elite athletes.
|style="text-align:left"| Med Sci Sports Exerc 44 (4), S. 725–732
|- style="vertical-align:top"
|Ebert, T.R.; Martin, D.T.; McDonald, W.; Victor, J.; Plummer, J.; Withers, R.T. (2005)
|style="text-align:left"| Power output during women's World Cup road cycle racing.
|style="text-align:left"| Eur. J. Appl. Physiol. 95 (5-6), S. 529–536
|- style="vertical-align:top"
| Ebert, T.R.; Martin, D.T.; Stephens, B.; Withers, R.T. (2006)
|style="text-align:left"|Power output during a professional men's road-cycling tour.
|style="text-align:left"| Int J Sports Physiol Perform 1 (4), S. 324–335
|- style="vertical-align:top"
| Emonson, D. L.; Aminuddin, A. H.; Wight, R. L.; Scroop, G. C.; Gore, C. J. (1997)
|style="text-align:left"|Training-induced increases in sea level VO2max and endurance are not enhanced by acute hypobaric exposure.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 76 (1), S. 8–12
|- style="vertical-align:top"
| Faiss, R.; Praz, M.; Meichtry, A.; Gobelet, C.; Deriaz, O. (2007)
|style="text-align:left"|The effect of mountain bike suspensions on vibrations and off-road uphill performance.
|style="text-align:left"| J Sports Med Phys Fitness 47 (2), S. 151–158
|- style="vertical-align:top"
|Fu, Qi; Townsend, N.E.; Shiller, S.M.; Martini, E.R.; Okazaki, K.; Shibata, S. et al. (2007)
|style="text-align:left"|Intermittent hypobaric hypoxia exposure does not cause sustained alterations in autonomic control of blood pressure in young athletes.
|style="text-align:left"| Am. J. Physiol. Regul. Integr. Comp. Physiol. 292 (5), S. R1977-84
|- style="vertical-align:top"
| Gardner, A.S.; Martin, J.C.; Martin, D.T.; Barras, M.; Jenkins, D.G. (2007)
|style="text-align:left"|Maximal torque- and power-pedaling rate relationships for elite sprint cyclists in laboratory and field tests.
|style="text-align:left"| Eur. J. Appl. Physiol. 101 (3), S. 287–292
|- style="vertical-align:top"
| Gardner, A.S.; Martin, D.T.; Jenkins, D.G.; Dyer, I.; van Eiden, J.; Barras, M.; Martinm, J.C. (2009)
|style="text-align:left"| Velocity-specific fatigue: quantifying fatigue during variable velocity cycling.
|style="text-align:left"|Med Sci Sports Exerc 41 (4), S. 904–911
|- style="vertical-align:top"
| Gardner, A.S.; Stephens, S.; Martin, D.T.; Lawton, E.; Lee, H.; Jenkins, D. (2004)
|style="text-align:left"| Accuracy of SRM and power tap power monitoring systems for bicycling.
|style="text-align:left"| Med Sci Sports Exerc 36 (7), S. 1252–1258
|- style="vertical-align:top"
| Garvican, L.A.; Hammond, K.; Varley, Matthew C.; Gore, C.J.; Billaut, F.; Aughey, R.J. (2013)
|style="text-align:left"|Lower Running Performance and Exacerbated Fatigue in Soccer Played at 1600 m.
|style="text-align:left"| Int J Sports Physiol Perform
|- style="vertical-align:top"
| Garvican, L.A.; Martin, D.T.; Clark, S.A.; Schmidt, W.F.; Gore, C.J. (2007)
|style="text-align:left"|Variability of erythropoietin response to sleeping at simulated altitude: a cycling case study.
|style="text-align:left"| Int J Sports Physiol Perform 2 (3), S. 327–331.
|- style="vertical-align:top"
| Garvican, L.A.; Pottgiesser, T.; Martin, D.T.; Schumacher, Y.O.; Barras, M.; Gore, C.J. (2011)
|style="text-align:left"|The contribution of haemoglobin mass to increases in cycling performance induced by simulated LHTL.
|style="text-align:left"| Eur. J. Appl. Physiol. 111 (6), S. 1089–1101
|- style="vertical-align:top"
|Garvican, L.A.; Saunders, P.U.; Pyne, D.B.; Martin, D.T.; Robertson, E.Y.; Gore, C.J. (2012)
|style="text-align:left"|Hemoglobin mass response to simulated hypoxia "blinded" by noisy measurement?
|style="text-align:left"| J. Appl. Physiol. 112 (10), S. 1797-8; author reply 1799
|- style="vertical-align:top"
| Giacomoni, M.; Billaut, F.; Falgairette, G. (2006)
|style="text-align:left"|Effects of the Time of Day on Repeated All-Out Cycle Performance and Short-Term Recovery Patterns.
|style="text-align:left"| Int J Sports Med 27 (6), S. 468–474
|- style="vertical-align:top"
| González-Haro, C.; Galilea B., P.A.; Soria, M.; Drobnic, F.; Escanero, J.F. (2007)
|style="text-align:left"|Comparison of nine theoretical models for estimating the mechanical power output in cycling.
|style="text-align:left"| Br J Sports Med 41 (8), S. 506-9; discussion 509
|- style="vertical-align:top"
| González-Haro, C.; Galilea, P.A.; Escanero, J.F. (2008)
|style="text-align:left"|Comparison of different theoretical models estimating peak power output and maximal oxygen uptake in trained and elite triathletes and endurance cyclists in the velodrome.
|style="text-align:left"|J Sports Sci 26 (6), S. 591–601
|- style="vertical-align:top"
| Goosey-Tolfrey, V.; Castle, P.; Webborn, N.; Abel, T. (2006)
|style="text-align:left"| Aerobic capacity and peak power output of elite quadriplegic games players.
|style="text-align:left"| Br J Sports Med 40 (8), S. 684–687
|- style="vertical-align:top"
| Gordon, R.S.; Franklin, K.L.; Davies, B.; Baker, J.S. (2007)
|style="text-align:left"| Further mechanical considerations between polar and SRM mobile ergometer systems during laboratory-based high-intensity, intermittent cycling activity.
|style="text-align:left"| Res Sports Med 15 (4), S. 241–247
|- style="vertical-align:top"
| Gore, Christopher John; Clark, Sally A.; Saunders, Philo U. (2007)
|style="text-align:left"| Nonhematological mechanisms of improved sea-level performance after hypoxic exposure.
|style="text-align:left"| Med Sci Sports Exerc 39 (9), S. 1600–1609
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G.; Aughey, R. J.; Martin, D. T.; Ashenden, M. J.; Clark, S. A. et al. (2001)
|style="text-align:left"| Live high:train low increases muscle buffer capacity and submaximal cycling efficiency.
|style="text-align:left"| Acta Physiol. Scand. 173 (3), S. 275–286
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G.; Burge, C. M.; Telford, R. D. (1997)
|style="text-align:left"| VO2max and haemoglobin mass of trained athletes during high intensity training.
|style="text-align:left"| Int J Sports Med 18 (6), S. 477–482
|- style="vertical-align:top"
| Gore C.J.; Hahn A.G.; Scroop G.C.; Watson D.B.; Norton K.I.; Wood R.J.; Campbell D.P. (1996 )
|style="text-align:left"| Increased arterial desaturation in trained cyclists during maximal exercise at 580 m altitude.
|style="text-align:left"| J Appl Physiol 80(6), S. 2204-10
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A.; Rice, A.; Bourdon, P.; Lawrence, S.; Walsh, C. et al. (1998)
|style="text-align:left"| Altitude training at 2690m does not increase total haemoglobin mass or sea level VO2max in world champion track cyclists.
|style="text-align:left"| J Sci Med Sport 1 (3), S. 156–170
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G. (2005)
|style="text-align:left"| Letter to the editors - Re: Heinicke K, Heinicke I, Schmidt W, Wolfarth B. A three-week traditional altitude training increases hemoglobin mass and red cell volume in elite biathlon athletes.
|style="text-align:left"| Int J Sports Med 26 (6), S. 504-5; author reply 506-7
|- style="vertical-align:top"
| Gore C.J.; Little S.C.; Hahn A.G.; Scroop G.C.; Norton K.I.; Bourdon P.C.; Woolford (1997)
|style="text-align:left"| Reduced performance of male and female athletes at 580 m altitude.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 75(2), S. 136-43
|- style="vertical-align:top"
| Gore, C. J.; McSharry, P. E.; Hewitt, A. J.; Saunders, P. U. (2008)
|style="text-align:left"| Preparation for football competition at moderate to high altitude.
|style="text-align:left"|Scand J Med Sci Sports 18 Suppl 1, S. 85–95
|- style="vertical-align:top"
| Gore, Christopher J.; Rodríguez, Ferran A.; Truijens, Martin J.; Townsend, Nathan E.; Stray-Gundersen, James; Levine, Benjamin D. (2006)
|style="text-align:left"| Increased serum erythropoietin but not red cell production after 4 wk of intermittent hypobaric hypoxia (4,000-5,500 m).
|style="text-align:left"|J. Appl. Physiol. 101 (5), S. 1386–1393
|- style="vertical-align:top"
| Gough, C. E.; Sharpe, K.; Garvican, L. A.; Anson, J. M.; Saunders, P. U.; Gore, C. J. (2013)
|style="text-align:left"| The effects of injury and illness on haemoglobin mass.
|style="text-align:left"|Int J Sports Med 34 (9), S. 763–769
|- style="vertical-align:top"
| Gough, C.E.; Saunders, P.U.; Fowlie, J.; Savage, B.; Pyne, D.B.; Anson, J.M. et al. (2012)
|style="text-align:left"| Influence of altitude training modality on performance and total haemoglobin mass in elite swimmers.
|style="text-align:left"|Eur. J. Appl. Physiol. 112 (9), S. 3275–3285
|- style="vertical-align:top"
| Groslambert, A.; Grappe, F.; Bertucci, W.; Perrey, S.; Girard, A.J.; Rouillon, J.D. (2004)
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|style="text-align:left"|Anaerobic Work Capacity Derived from Isokinetic and Isoinertial Cycling.
|style="text-align:left"|Int J Sports Med 31 (02), S. 89–94
|- style="vertical-align:top"
|Wilson, M.G.; Lane, A.M.; Beedie, C.J.; Farooq, A. (2012)
|style="text-align:left"|Influence of accurate and inaccurate 'split-time' feedback upon 10-mile time trial cycling performance.
|style="text-align:left"|Eur. J. Appl. Physiol. 112 (1), S. 231–236
|- style="vertical-align:top"
|Wooles, A.L.; Robinson, A.J.; Keen, P.S. (2005)
|style="text-align:left"|A Static Method for Obtaining a Calibration Factor for SRM Bicycle Power Cranks.
|style="text-align:left"|Sports Engineering 8 (3), S. 137-144
|}

File:SRM Scientific Publications 06-2016.pdf

2016-06-29T08:34:36Z

Administrator: SRM Literatur 2016

SRM Literatur 2016

International publications on SRM Ergometer

2016-06-29T08:33:04Z

Administrator:

{{languages
|de=Internationale Literatur zum SRM-Ergometer
|en=International publications on SRM Ergometer
|cn=International publications on SRM Ergometer
}}

In the following table you will find different collections of publications in which the SRM-Ergometer, the Torque Analysis and the Eccentric Chainrings were used for scientific investigations.

{| class="wikitable sortable"
|+ style="padding-bottom:1em" | Publications SRM-Ergometer
|- class="hintergrundfarbe6"
!style="width:60%"| Publications!! style="width:30%"| Last Update
|-
| [[Media:SRM_Scientific_Publications_2015.pdf|SRM Scientific Publications]]
|style="text-align:right"| June 2016
|-
| [[Media:Torque_publications_2015.pdf|Torque Publications]]
|style="text-align:right"| Januar 2015
|-
| [[Media:Eccentric_Chainrings_2015.pdf|Eccentric Chainrings Publications]]
|style="text-align:right"| April 2015
|}

(In the following table you will find current international publications in which the SRM - ergometer and/or the SRM Trainings Systems - were used for scientific investigations.
[[Media:Scientific Publications SRM 2013.pdf|Here]] you find the international literature in a pdf - single document.)

{| class="wikitable sortable"
|- style="vertical-align:top"
|- class="hintergrundfarbe6"
!style="width:30%"| Author!! style="width:30%" | Titel!! style="width:30%" | Publication
|- style="vertical-align:top"
| Abbiss, C.R.; Quod, M.J.; Martin, David T.; Netto, K.J.; Nosaka, K.; Lee, H. et al. (2006)
|style="text-align:left"| Dynamic pacing strategies during the cycle phase of an Ironman triathlon.
|style="vertical-align:top"| Med Sci Sports Exerc 38 (4), S. 726–734
|- style="vertical-align:top"
| Abbiss, C.R.; Quod, M.J.; Levin, G.; Martin, D.T.; Laursen, P.B. (2009)
|style="text-align:left"| Accuracy of the Velotron ergometer and SRM power meter.
|style="text-align:left"| Int J Sports Med 30 (2), S. 107–112.
|- style="vertical-align:top"
| Abel, T.; Burkett, B.; Schneider, S.; Lindschulten, R.; Strüder, H. K. (2010)
|style="text-align:left"| The exercise profile of an ultra-long handcycling race: the Styrkeprøven experience.
|style="text-align:left"| Spinal Cord 48 (12), S. 894–898.
|- style="vertical-align:top"
| Antonutto, G.; Capelli, C.; Girardis, M.; Zamparo, P.; di Prampero P.E. (1999)
|style="text-align:left"| Effects of microgravity on maximal power of lower limbs during very short efforts in humans.
|style="text-align:left"| J Appl Physiol 86(1), S. 85-92.
|- style="vertical-align:top"
| Arkesteijn, M.; Hopker, J.; Jobson, S.; Passfield, L. (2013)
|style="text-align:left"| The Effect of Turbo Trainer Cycling on Pedalling Technique and Cycling Efficiency.
|style="text-align:left"| Int J Sports Med 34 (06), S. 520–525
|- style="vertical-align:top"
| Ashenden, M. J.; Gore, C. J.; Burge, C. M.; Clough, M. L.; Bourdon, P. C.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| Skin-prick blood samples are reliable for estimating Hb mass with the CO-dilution technique.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 79 (6), S. 535–537.
|- style="vertical-align:top"
| Ashenden, M. J.; Gore, C. J.; Dobson, G. P.; Boston, T. T.; Parisotto, R.; Emslie, K. R. et al. (2000)
|style="text-align:left"| Simulated moderate altitude elevates serum erythropoietin but does not increase reticulocyte production in well-trained runners.
|style="text-align:left"| Eur. J. Appl. Physiol. 81 (5), S. 428–435
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C. J.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| "Live high, train low" does not change the total haemoglobin mass of male endurance athletes sleeping at a simulated altitude of 3000 m for 23 nights.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 80 (5), S. 479–484.
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C. J.; Martin, D. T.; Dobson, G. P.; Hahn, A. G. (1999)
|style="text-align:left"| Effects of a 12-day "live high, train low" camp on reticulocyte production and haemoglobin mass in elite female road cyclists.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 80 (5), S. 472–478.
|- style="vertical-align:top"
| Ashenden, M.J.; Hahn, A. G.; Martin, D. T.; Logan, P.; Parisotto, R.; Gore, C. J. (2001)
|style="text-align:left"| A comparison of the physiological response to simulated altitude exposure and r-HuEpo administration.
|style="text-align:left"| J Sports Sci 19 (11), S. 831–837
|- style="vertical-align:top"
| Ashenden, M.J.; Gore, C.J.; Parisotto, R.; Sharpe, K.; Hopkins, W.G.; Hahn, A.G. (2003)
|style="text-align:left"| Effect of altitude on second-generation blood tests to detect erythropoietin abuse by athletes.
|style="text-align:left"| Haematologica 88 (9), S. 1053–1062
|- style="vertical-align:top"
| Aughey, R. J.; Clark, S. A.; Gore, C. J.; Townsend, N. E.; Hahn, A. G.; Kinsman, T. A. et al. (2006)
|style="text-align:left"| Interspersed normoxia during live high, train low interventions reverses an early reduction in muscle Na+, K +ATPase activity in well-trained athletes.
|style="text-align:left"| Eur. J. Appl. Physiol. 98 (3), S. 299–309
|- style="vertical-align:top"
| Aughey, R. J.; Gore, C. J.; Hahn, A. G.; Garnham, A. P.; Clark, S. A.; Petersen, A. C. et al. (2005)
|style="text-align:left"| Chronic intermittent hypoxia and incremental cycling exercise independently depress muscle in vitro maximal Na+-K+-ATPase activity in well-trained athletes.
|style="text-align:left"| J. Appl. Physiol. 98 (1), S. 186–192
|- style="vertical-align:top"
| Ashman, S.B.; Monk, T.H.; Kupfer, D.J.; Clark, C.H.; Myers, F.S.; Frank, E.; Leibenluft (1999)
|style="text-align:left"| Relationship between social rhythms and mood in patients with rapid cycling bipolar disorder.
|style="text-align:left"| Psychiatry Res 86 (1), S. 1–8
|- style="vertical-align:top"
| Austin, N.; Nilwik, R.; Herzog, W. (2010)
|style="text-align:left"| In vivo operational fascicle lengths of vastus lateralis during submaximal and maximal cycling.
|style="text-align:left"| J Biomech 43 (12), S. 2394–2399
|- style="vertical-align:top"
|Balmer, J.; Bird, S.; Davison, R.C.R.; Doherty, M.; Smith, P. (2004)
|style="text-align:left"|Mechanically braked Wingate powers: agreement between SRM, corrected and conventional methods of measurement.
|style="text-align:left"| J Sports Sci 22 (7), S. 661–667
|- style="vertical-align:top"
| Balmer, J.; Bird, S.; Davison, R.; Lucia, A. (2008)
|style="text-align:left"| Effect of age on 16.1-km time-trial performance.
|style="text-align:left"| J Sports Sci 26 (2), S. 197–206
|- style="vertical-align:top"
| Balmer, J.; Davison, R.C.; Bird, S.R. (2000)
|style="text-align:left"| Peak power predicts performance power during an outdoor 16.1-km cycling time trial.
|style="text-align:left"| Med Sci Sports Exerc 32 (8), S. 1485–1490
|- style="vertical-align:top"
|Balmer, J.; Davison, R.C.; Bird, S.R. (2000)
|style="text-align:left"| Reliability of an air-braked ergometer to record peak power during a maximal cycling test.
|style="text-align:left"| Med Sci Sports Exerc 32 (10), S. 1790–1793
|- style="vertical-align:top"
| Balmer, J.; Davison, R.C.; Coleman, D.A.; Bird, S.R. (2000)
|style="text-align:left"| The validity of power output recorded during exercise performance tests using a Kingcycle air-braked cycle ergometer when compared with an SRM powermeter.
|style="text-align:left"| Int J Sports Med 21 (3), S. 195–199
|- style="vertical-align:top"
| Bassett, D.R.; Kyle, C. R.; Passfield, L.; Broker, J.P.; Burke, E.R. (1999)
|style="text-align:left"| Comparing cycling world hour records, 1967-1996: modeling with empirical data.
|style="text-align:left"| Med Sci Sports Exerc 31 (11), S. 1665–1676
|- style="vertical-align:top"
| Bentley, D. J.; McNaughton, L. R.; Thompson, D.; Vleck, V. E.; Batterham, A. M. (2001)
|style="text-align:left"|Peak power output, the lactate threshold, and time trial performance in cyclists.
|style="text-align:left"| Med Sci Sports Exerc 33 (12), S. 2077–2081
|- style="vertical-align:top"
| Bertucci, W.; Crequy, S.; Chiementin, X. (2012)
|style="text-align:left"| Validity and Reliability of the G-Cog BMX Powermeter.
|style="text-align:left"| Int J Sports Med.
|- style="vertical-align:top"
|Bertucci, W.; Duc, S.; Villerius, V.; Grappe, F. (2005)
|style="text-align:left"|Validity and reliability of the Axiom PowerTrain cycle ergometer when compared with an SRM powermeter.
|style="text-align:left"| Int J Sports Med 26 (1), S. 59–65
|- style="vertical-align:top"
| Bertucci, W.; Duc, S.; Villerius, V.; Pernin, J. N.; Grappe, F. (2005)
|style="text-align:left"| Validity and reliability of the PowerTap mobile cycling powermeter when compared with the SRM Device.
|style="text-align:left"| Int J Sports Med 26 (10), S. 868–873
|- style="vertical-align:top"
| Bertucci, W.; Grappe, F.; Girard, A.; Betik, A.; Rouillon, J.D. (2005)
|style="text-align:left"| Effects on the crank torque profile when changing pedalling cadence in level ground and uphill road cycling.
|style="text-align:left"| J Biomech 38 (5), S. 1003–1010
|- style="vertical-align:top"
| Bertucci, W.; Grappe, F.; Groslambert, A. (2007)
|style="text-align:left"| Laboratory versus outdoor cycling conditions: differences in pedaling biomechanics.
|style="text-align:left"| J Appl Biomech 23 (2), S. 87–92
|- style="vertical-align:top"
| Bertucci, W.; Taiar, R.; Grappe, F. (2005)
|style="text-align:left"|Differences between sprint tests under laboratory and actual cycling conditions.
|style="text-align:left"| J Sports Med Phys Fitness 45 (3), S. 277–283
|- style="vertical-align:top"
| Billaut, François; Gore, Christopher J.; Aughey, Robert J. (2012)
|style="text-align:left"|Enhancing team-sport athlete performance: is altitude training relevant?
|style="text-align:left"| Sports Med 42 (9), S. 751–767
|- style="vertical-align:top"
| Brickley, G.; Dekerle, J.; Hammond, A.; Pringle, J.; Carter, H. (2007)
|style="text-align:left"|Assessment of Maximal Aerobic Power and Critical Power in a Single 90-s Isokinetic All-Out Cycling Test.
|style="text-align:left"| Int J Sports Med 28 (5), S. 414–419
|- style="vertical-align:top"
| Broker, J.P.; Kyle, C.R.; Burke, E.R. (1999)
|style="text-align:left"|Racing cyclist power requirements in the 4000-m individual and team pursuits.
|style="text-align:left"| Med Sci Sports Exerc 31 (11), S. 1677–1685
|- style="vertical-align:top"
| Brosnan, M. J.; Martin, D. T.; Hahn, A. G.; Gore, C. J.; Hawley, J. A. (2000)
|style="text-align:left"| Impaired interval exercise responses in elite female cyclists at moderate simulated altitude.
|style="text-align:left"|J. Appl. Physiol. 89 (5), S. 1819–1824
|- style="vertical-align:top"
| Cangley, P.; Passfield, L.; Carter, H.; Bailey, M. (2011)
|style="text-align:left"| The Effect of Variable Gradients on Pacing in Cycling Time-Trials.
|style="text-align:left"|Int J Sports Med 32 (02), S. 132–136
|- style="vertical-align:top"
| Carpes, F.P.; Rossato, M.; Faria, I.E.; Bolli Mota, C. (2007)
|style="text-align:left"| Bilateral pedaling asymmetry during a simulated 40-km cycling timetrial.
|style="text-align:left"|J Sports Med Phys Fitness 47 (1), S. 51–57
|- style="vertical-align:top"
| Clark, Sally A.; Bourdon, P. C.; Schmidt, W.; Singh, B.; Cable, G.; Onus, K. J. et al. (2007)
|style="text-align:left"| The effect of acute simulated moderate altitude on power, performance and pacing strategies in well-trained cyclists.
|style="text-align:left"| Eur. J. Appl. Physiol. 102 (1), S. 45–55
|- style="vertical-align:top"
| Clark, Sally A.; Quod, M. J.; Clark, M. A.; Martin, D. T.; Saunders, P. U.; Gore, C. J. (2009)
|style="text-align:left"| Time course of haemoglobin mass during 21 days live high:train low simulated altitude.
|style="text-align:left"| Eur. J. Appl. Physiol. 106 (3), S. 399–406
|- style="vertical-align:top"
| Clark, S.K.; Johnson, Thomas M. (2010)
|style="text-align:left"| Selenium stable isotope investigation into selenium biogeochemical cycling in a lacustrine environment: Sweitzer Lake, Colorado.
|style="text-align:left"| J. Environ. Qual. 39 (6), S. 2200–2210
|- style="vertical-align:top"
|Coleman, D.A.; Wiles, J.D.; Nunn, M.; Smith, M.F. (2005)
|style="text-align:left"|Reliability of sprint test indices in well-trained cyclists.
|style="text-align:left"| Int J Sports Med 26 (5), S. 383–387
|- style="vertical-align:top"
| Doherty, M.; Balmer, J.; Davison, R.C.R.; Robinson, L.; Smith, P.M. (2003)
|style="text-align:left"| Reliability of a combined 3-min constant load and performance cycling test.
|style="text-align:left"| Int J Sports Med 24 (5), S. 366–371
|- style="vertical-align:top"
| Duc, S.; Betik, A-C; Grappe, F. (2005)
|style="text-align:left"| EMG activity does not change during a time trial in competitive cyclists.
|style="text-align:left"| Int J Sports Med 26 (2), S. 145–150
|- style="vertical-align:top"
|Duc, S.; Villerius, V.; Bertucci, W.; Pernin, J.N.; Grappe, F. (2005)
|style="text-align:left"| Muscular activity level during pedalling is not affected by crank inertial load.
|style="text-align:left"| Eur. J. Appl. Physiol. 95 (2-3), S. 260–264
|- style="vertical-align:top"
| Duc, S.; Villerius, V.; Bertucci, W.; Grappe, F. (2007)
|style="text-align:left"| Validity and reproducibility of the ErgomoPro power meter compared with the SRM and Powertap power meters.
|style="text-align:left"| Int J Sports Physiol Perform 2 (3), S. 270–281
|- style="vertical-align:top"
|Eastwood, A.; Sharpe, K.; Bourdon, P.C.; Woolford, S.M.; Saunders, P.U.; Robertson, E.Y. et al. (2012)
|style="text-align:left"| Within-subject variation in hemoglobin mass in elite athletes.
|style="text-align:left"| Med Sci Sports Exerc 44 (4), S. 725–732
|- style="vertical-align:top"
|Ebert, T.R.; Martin, D.T.; McDonald, W.; Victor, J.; Plummer, J.; Withers, R.T. (2005)
|style="text-align:left"| Power output during women's World Cup road cycle racing.
|style="text-align:left"| Eur. J. Appl. Physiol. 95 (5-6), S. 529–536
|- style="vertical-align:top"
| Ebert, T.R.; Martin, D.T.; Stephens, B.; Withers, R.T. (2006)
|style="text-align:left"|Power output during a professional men's road-cycling tour.
|style="text-align:left"| Int J Sports Physiol Perform 1 (4), S. 324–335
|- style="vertical-align:top"
| Emonson, D. L.; Aminuddin, A. H.; Wight, R. L.; Scroop, G. C.; Gore, C. J. (1997)
|style="text-align:left"|Training-induced increases in sea level VO2max and endurance are not enhanced by acute hypobaric exposure.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 76 (1), S. 8–12
|- style="vertical-align:top"
| Faiss, R.; Praz, M.; Meichtry, A.; Gobelet, C.; Deriaz, O. (2007)
|style="text-align:left"|The effect of mountain bike suspensions on vibrations and off-road uphill performance.
|style="text-align:left"| J Sports Med Phys Fitness 47 (2), S. 151–158
|- style="vertical-align:top"
|Fu, Qi; Townsend, N.E.; Shiller, S.M.; Martini, E.R.; Okazaki, K.; Shibata, S. et al. (2007)
|style="text-align:left"|Intermittent hypobaric hypoxia exposure does not cause sustained alterations in autonomic control of blood pressure in young athletes.
|style="text-align:left"| Am. J. Physiol. Regul. Integr. Comp. Physiol. 292 (5), S. R1977-84
|- style="vertical-align:top"
| Gardner, A.S.; Martin, J.C.; Martin, D.T.; Barras, M.; Jenkins, D.G. (2007)
|style="text-align:left"|Maximal torque- and power-pedaling rate relationships for elite sprint cyclists in laboratory and field tests.
|style="text-align:left"| Eur. J. Appl. Physiol. 101 (3), S. 287–292
|- style="vertical-align:top"
| Gardner, A.S.; Martin, D.T.; Jenkins, D.G.; Dyer, I.; van Eiden, J.; Barras, M.; Martinm, J.C. (2009)
|style="text-align:left"| Velocity-specific fatigue: quantifying fatigue during variable velocity cycling.
|style="text-align:left"|Med Sci Sports Exerc 41 (4), S. 904–911
|- style="vertical-align:top"
| Gardner, A.S.; Stephens, S.; Martin, D.T.; Lawton, E.; Lee, H.; Jenkins, D. (2004)
|style="text-align:left"| Accuracy of SRM and power tap power monitoring systems for bicycling.
|style="text-align:left"| Med Sci Sports Exerc 36 (7), S. 1252–1258
|- style="vertical-align:top"
| Garvican, L.A.; Hammond, K.; Varley, Matthew C.; Gore, C.J.; Billaut, F.; Aughey, R.J. (2013)
|style="text-align:left"|Lower Running Performance and Exacerbated Fatigue in Soccer Played at 1600 m.
|style="text-align:left"| Int J Sports Physiol Perform
|- style="vertical-align:top"
| Garvican, L.A.; Martin, D.T.; Clark, S.A.; Schmidt, W.F.; Gore, C.J. (2007)
|style="text-align:left"|Variability of erythropoietin response to sleeping at simulated altitude: a cycling case study.
|style="text-align:left"| Int J Sports Physiol Perform 2 (3), S. 327–331.
|- style="vertical-align:top"
| Garvican, L.A.; Pottgiesser, T.; Martin, D.T.; Schumacher, Y.O.; Barras, M.; Gore, C.J. (2011)
|style="text-align:left"|The contribution of haemoglobin mass to increases in cycling performance induced by simulated LHTL.
|style="text-align:left"| Eur. J. Appl. Physiol. 111 (6), S. 1089–1101
|- style="vertical-align:top"
|Garvican, L.A.; Saunders, P.U.; Pyne, D.B.; Martin, D.T.; Robertson, E.Y.; Gore, C.J. (2012)
|style="text-align:left"|Hemoglobin mass response to simulated hypoxia "blinded" by noisy measurement?
|style="text-align:left"| J. Appl. Physiol. 112 (10), S. 1797-8; author reply 1799
|- style="vertical-align:top"
| Giacomoni, M.; Billaut, F.; Falgairette, G. (2006)
|style="text-align:left"|Effects of the Time of Day on Repeated All-Out Cycle Performance and Short-Term Recovery Patterns.
|style="text-align:left"| Int J Sports Med 27 (6), S. 468–474
|- style="vertical-align:top"
| González-Haro, C.; Galilea B., P.A.; Soria, M.; Drobnic, F.; Escanero, J.F. (2007)
|style="text-align:left"|Comparison of nine theoretical models for estimating the mechanical power output in cycling.
|style="text-align:left"| Br J Sports Med 41 (8), S. 506-9; discussion 509
|- style="vertical-align:top"
| González-Haro, C.; Galilea, P.A.; Escanero, J.F. (2008)
|style="text-align:left"|Comparison of different theoretical models estimating peak power output and maximal oxygen uptake in trained and elite triathletes and endurance cyclists in the velodrome.
|style="text-align:left"|J Sports Sci 26 (6), S. 591–601
|- style="vertical-align:top"
| Goosey-Tolfrey, V.; Castle, P.; Webborn, N.; Abel, T. (2006)
|style="text-align:left"| Aerobic capacity and peak power output of elite quadriplegic games players.
|style="text-align:left"| Br J Sports Med 40 (8), S. 684–687
|- style="vertical-align:top"
| Gordon, R.S.; Franklin, K.L.; Davies, B.; Baker, J.S. (2007)
|style="text-align:left"| Further mechanical considerations between polar and SRM mobile ergometer systems during laboratory-based high-intensity, intermittent cycling activity.
|style="text-align:left"| Res Sports Med 15 (4), S. 241–247
|- style="vertical-align:top"
| Gore, Christopher John; Clark, Sally A.; Saunders, Philo U. (2007)
|style="text-align:left"| Nonhematological mechanisms of improved sea-level performance after hypoxic exposure.
|style="text-align:left"| Med Sci Sports Exerc 39 (9), S. 1600–1609
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G.; Aughey, R. J.; Martin, D. T.; Ashenden, M. J.; Clark, S. A. et al. (2001)
|style="text-align:left"| Live high:train low increases muscle buffer capacity and submaximal cycling efficiency.
|style="text-align:left"| Acta Physiol. Scand. 173 (3), S. 275–286
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G.; Burge, C. M.; Telford, R. D. (1997)
|style="text-align:left"| VO2max and haemoglobin mass of trained athletes during high intensity training.
|style="text-align:left"| Int J Sports Med 18 (6), S. 477–482
|- style="vertical-align:top"
| Gore C.J.; Hahn A.G.; Scroop G.C.; Watson D.B.; Norton K.I.; Wood R.J.; Campbell D.P. (1996 )
|style="text-align:left"| Increased arterial desaturation in trained cyclists during maximal exercise at 580 m altitude.
|style="text-align:left"| J Appl Physiol 80(6), S. 2204-10
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A.; Rice, A.; Bourdon, P.; Lawrence, S.; Walsh, C. et al. (1998)
|style="text-align:left"| Altitude training at 2690m does not increase total haemoglobin mass or sea level VO2max in world champion track cyclists.
|style="text-align:left"| J Sci Med Sport 1 (3), S. 156–170
|- style="vertical-align:top"
| Gore, C. J.; Hahn, A. G. (2005)
|style="text-align:left"| Letter to the editors - Re: Heinicke K, Heinicke I, Schmidt W, Wolfarth B. A three-week traditional altitude training increases hemoglobin mass and red cell volume in elite biathlon athletes.
|style="text-align:left"| Int J Sports Med 26 (6), S. 504-5; author reply 506-7
|- style="vertical-align:top"
| Gore C.J.; Little S.C.; Hahn A.G.; Scroop G.C.; Norton K.I.; Bourdon P.C.; Woolford (1997)
|style="text-align:left"| Reduced performance of male and female athletes at 580 m altitude.
|style="text-align:left"| Eur J Appl Physiol Occup Physiol 75(2), S. 136-43
|- style="vertical-align:top"
| Gore, C. J.; McSharry, P. E.; Hewitt, A. J.; Saunders, P. U. (2008)
|style="text-align:left"| Preparation for football competition at moderate to high altitude.
|style="text-align:left"|Scand J Med Sci Sports 18 Suppl 1, S. 85–95
|- style="vertical-align:top"
| Gore, Christopher J.; Rodríguez, Ferran A.; Truijens, Martin J.; Townsend, Nathan E.; Stray-Gundersen, James; Levine, Benjamin D. (2006)
|style="text-align:left"| Increased serum erythropoietin but not red cell production after 4 wk of intermittent hypobaric hypoxia (4,000-5,500 m).
|style="text-align:left"|J. Appl. Physiol. 101 (5), S. 1386–1393
|- style="vertical-align:top"
| Gough, C. E.; Sharpe, K.; Garvican, L. A.; Anson, J. M.; Saunders, P. U.; Gore, C. J. (2013)
|style="text-align:left"| The effects of injury and illness on haemoglobin mass.
|style="text-align:left"|Int J Sports Med 34 (9), S. 763–769
|- style="vertical-align:top"
| Gough, C.E.; Saunders, P.U.; Fowlie, J.; Savage, B.; Pyne, D.B.; Anson, J.M. et al. (2012)
|style="text-align:left"| Influence of altitude training modality on performance and total haemoglobin mass in elite swimmers.
|style="text-align:left"|Eur. J. Appl. Physiol. 112 (9), S. 3275–3285
|- style="vertical-align:top"
| Groslambert, A.; Grappe, F.; Bertucci, W.; Perrey, S.; Girard, A.J.; Rouillon, J.D. (2004)
|style="text-align:left"| A perceptive individual time trial performed by triathletes to estimate the anaerobic threshold. A preliminary study.
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|style="text-align:left"|Anaerobic Work Capacity Derived from Isokinetic and Isoinertial Cycling.
|style="text-align:left"|Int J Sports Med 31 (02), S. 89–94
|- style="vertical-align:top"
|Wilson, M.G.; Lane, A.M.; Beedie, C.J.; Farooq, A. (2012)
|style="text-align:left"|Influence of accurate and inaccurate 'split-time' feedback upon 10-mile time trial cycling performance.
|style="text-align:left"|Eur. J. Appl. Physiol. 112 (1), S. 231–236
|- style="vertical-align:top"
|Wooles, A.L.; Robinson, A.J.; Keen, P.S. (2005)
|style="text-align:left"|A Static Method for Obtaining a Calibration Factor for SRM Bicycle Power Cranks.
|style="text-align:left"|Sports Engineering 8 (3), S. 137-144
|}

MediaWiki:Sidebar

2016-06-29T08:30:49Z

Administrator:

** en:Introduction|Introduction

** en:Mechanical Fundamentals|Mechanical Fundamentals
** en:Electronic Fundamentals|Electronic Fundamentals
** en:Calibration of the Ergometer|Calibration
** en:SRM-Online settings in the SRMWin-Software|SRM-Online settings
** en:SRM-Online represented practically|SRM-Online practice
** en:Data Export|Data Export
** en:Torque Analysis|Torque Analysis
** en:Manuals|Manuals
** en:International publications on SRM Ergometer|Publications
** en:References|References

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* TOOLBOX

MediaWiki:Sidebar

2016-06-28T10:45:03Z

Administrator:

** en:Main_Page|Home

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** en:Calibration of the Ergometer|Calibration
** en:SRM-Online settings in the SRMWin-Software|SRM-Online settings
** en:SRM-Online represented practically|SRM-Online practice
** en:Data Export|Data Export
** en:Torque Analysis|Torque Analysis
** en:Manuals|Manuals
** en:International publications on SRM Ergometer|Publications
** en:References|References

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* TOOLBOX

File:Seatpost-designations.jpg

2016-06-28T10:34:33Z

Administrator: Seatpost designations

Seatpost designations

Mechanical Fundamentals

2016-06-28T10:33:30Z

Administrator:

{{languages
|de=Mechanische Grundlagen
|en=Mechanical Fundamentals
|cn=Mechanical Fundamentals
}}

The mechanical adjustment of the SRM – Ergometer allows the rider to find his individual positioning.

<gallery>
File:Seatpost-designations.jpg|Designations seatpost and rulers
File:Handlebar-designations.jpg|Designations handlebars and rulers
File:Ergo-Rohloff-01.jpg|Rohloff Gear Box
File:Verlängerbare_Kurbel_1.jpg|Prolongable Crank 1
File:Verlängerbare_Kurbel_2.jpg|Prolongable Crank 2
File:022-Montage-Schwungmassen.jpg|Change of the flyingwheels
File:021-Getriebe-Schwungmassen.jpg|Illustration with smaller flywheel and corresponding spacers
</gallery>

== Positioning of the athlete ==
[[File:Seatpost-designations.jpg|thumb|Designations seatpost and rulers ]]
[[File:Handlebar-designations.jpg|thumb|Designations handlebars and rulers]]
[[File:Verlängerbare_Kurbel_1.jpg|thumb|Prolongable Crank 1]]
[[File:Verlängerbare_Kurbel_2.jpg|thumb|Prolongable Crank 2]]

Before every performance diagnostic you have to check the positioning of the athlete.

Optimizing individual positioning is quickly achieved by adjusting the saddle and handlebar vertically and/or horizontally. To do so you have to open the locking lever. Because of a ruler which is attached to the saddle post you can reproduce your perfect positioning.

If adjusted correctly, it should be easy to move the vertical and horizontal stems when the quick release is open. A 5 mm Allen key situated on the saddle and handlebar mounts allows for further rigidity.

* '''Horizontal Positioning of the saddle'''
: The ruler which is integrated in the seat stay gives you the distance between the center of the bottom bracket and the front of the saddle. The distance in cm can be read from the left hand side of the seat stay.

: Sobald die Position des Sattels auf der Sattelstütze verändert wird passen allerdings die Abstände mit den den eingeklebeten Linealen nicht mehr überein. Dann müssen die Abstände auf den Linealen manuell korrigiert werden oder evtl. neue Lineale eingeklebt werden.

* '''Vertical Positioning of the saddle'''
* '''Horizontal Positioning of the handlebars'''
* '''Vertical Positioning of the handlebars'''

* '''Prolongable Crank'''
: The prolongable crank has round markings every 2.5 mm and every 10 mm a line. If the steel element of the crank is completely retracted in the aluminium crank the minimal length of the crank arm is 150 mm. If the crank arm is completely pulled out, the maximal length is 190 mm. Before changing the crank arm length you have to open both Allen screws.

:After adjusting the right crank arm length, please tighten the Allen screws again with a maximal torque of 10 Nm so that they won’t come loose while you ride the Ergometer. Make also sure that the screws are situated with a distance of a 2.5 mm. This can be determined when the fixing spring (situated between the Allen screws) locks into the holes of the steel element of the crank. Please do never remove or adjust the fixing spring.

:From time to time it is necessary to grease the steel elements of the crank to protect them from sweat and to maintain the free movement.

 

==Gearbox and fly masses functions==
[[File:022-Montage-Schwungmassen.jpg|thumb|Change of the flywheels]]
[[File:021-Getriebe-Schwungmassen.jpg|thumb|Illustration with smaller flywheel and corresponding spacers]]

The gearbox meets two major functions:
# Simulation of the mass moment of the cyclist.
# Change of cadence in isokinetic tests without changing the cadence in the predetermined test file.

The mass moment of the athlete during cycling causes above all an approximately constant angular velocity of the pedaling circle, although the cyclist´s torque (power) is nearly zero when the cranks are in vertical position. If the Ergometer had no fly mass, the cadence would decrease to nearly zero with this crank position and a high power output. This would result in a very noncircular tread then.

In the following figures it is shown how to create a drive with both the fly masses and the gearbox which is approximately identical to the driver´s weight.

<gallery>
File:023-Kinetic-Energy-Cyclist.jpg|Kinetic energy of cyclist incl. bike
File:024-Kinetic-Energy-Flymasse.jpg|Kinetic energy SRM-Ergometer and flywheels
File:025-Transmission-Ratio-Ergometer.jpg|Transmission-Ratio of the SRM-Ergometer
</gallery>

The kinetic energy of the cyclist equals the rotational energy of the flywheels.

The kinetic energy of the cyclist is: E = v² x m/2

Please keep in mind that in a power-orientated test the change of regulation (hunting) increases linear to the fly mass-range in the single power steps. If one likes to have a change of regulation as little as it can be, it is best to ride in 3rd or 4th gear. It is also helpful to change to a smaller gear, when the no load-friction of the Ergometer in the 3rd or 4th gear is higher than the power at the beginning in an incremental stress test. In the 4th gear the no load-friction is about 80 watts with a cadence of 90, in the 1st gear it is about 50 watts. Therefore it is not possible to regulate less than 50 watts.

But please consider that the Rohloff gear box for regular performance diagnostics and step testing should be used in gear 8 or 9 ([[Media:Ergo-Rohloff-01.jpg|s. picture]]).

The fly masses can easily be changed after taking off the left ergometer lid by loosening the brass-coloured counter-nut. Hand-tight fastening is enough.

The small fly mass weights 4.6 kg and the big fly mass weights 9.1 kg.

File:Handlebar-designations.jpg

2016-06-28T09:28:56Z

Administrator:

Mechanical Fundamentals

2016-06-28T09:24:49Z

Administrator: /* Positioning of the athlete */

{{languages
|de=Mechanische Grundlagen
|en=Mechanical Fundamentals
|cn=Mechanical Fundamentals
}}

The mechanical adjustment of the SRM – Ergometer allows the rider to find his individual positioning.

<gallery>
File:SRM-Sattelstütze-(Bezeichnungen).jpg|Designations seatpost and rulers
File:Lenker-(Bezeichnungen).jpg|Designations handlebars and rulers
File:Ergo-Rohloff-01.jpg|Rohloff Gear Box
File:Verlängerbare_Kurbel_1.jpg|Prolongable Crank 1
File:Verlängerbare_Kurbel_2.jpg|Prolongable Crank 2
File:022-Montage-Schwungmassen.jpg|Change of the flyingwheels
File:021-Getriebe-Schwungmassen.jpg|Illustration with smaller flywheel and corresponding spacers
</gallery>

== Positioning of the athlete ==
[[File:Seatpost-designations.jpg|thumb|Designations seatpost and rulers ]]
[[File:Handlebar-designations.jpg|thumb|Designations handlebars and rulers]]
[[File:Verlängerbare_Kurbel_1.jpg|thumb|Prolongable Crank 1]]
[[File:Verlängerbare_Kurbel_2.jpg|thumb|Prolongable Crank 2]]

Before every performance diagnostic you have to check the positioning of the athlete.

Optimizing individual positioning is quickly achieved by adjusting the saddle and handlebar vertically and/or horizontally. To do so you have to open the locking lever. Because of a ruler which is attached to the saddle post you can reproduce your perfect positioning.

If adjusted correctly, it should be easy to move the vertical and horizontal stems when the quick release is open. A 5 mm Allen key situated on the saddle and handlebar mounts allows for further rigidity.

* '''Horizontal Positioning of the saddle'''
: The ruler which is integrated in the seat stay gives you the distance between the center of the bottom bracket and the front of the saddle. The distance in cm can be read from the left hand side of the seat stay.

: Sobald die Position des Sattels auf der Sattelstütze verändert wird passen allerdings die Abstände mit den den eingeklebeten Linealen nicht mehr überein. Dann müssen die Abstände auf den Linealen manuell korrigiert werden oder evtl. neue Lineale eingeklebt werden.

* '''Vertical Positioning of the saddle'''
* '''Horizontal Positioning of the handlebars'''
* '''Vertical Positioning of the handlebars'''

* '''Prolongable Crank'''
: The prolongable crank has round markings every 2.5 mm and every 10 mm a line. If the steel element of the crank is completely retracted in the aluminium crank the minimal length of the crank arm is 150 mm. If the crank arm is completely pulled out, the maximal length is 190 mm. Before changing the crank arm length you have to open both Allen screws.

:After adjusting the right crank arm length, please tighten the Allen screws again with a maximal torque of 10 Nm so that they won’t come loose while you ride the Ergometer. Make also sure that the screws are situated with a distance of a 2.5 mm. This can be determined when the fixing spring (situated between the Allen screws) locks into the holes of the steel element of the crank. Please do never remove or adjust the fixing spring.

:From time to time it is necessary to grease the steel elements of the crank to protect them from sweat and to maintain the free movement.

 

==Gearbox and fly masses functions==
[[File:022-Montage-Schwungmassen.jpg|thumb|Change of the flywheels]]
[[File:021-Getriebe-Schwungmassen.jpg|thumb|Illustration with smaller flywheel and corresponding spacers]]

The gearbox meets two major functions:
# Simulation of the mass moment of the cyclist.
# Change of cadence in isokinetic tests without changing the cadence in the predetermined test file.

The mass moment of the athlete during cycling causes above all an approximately constant angular velocity of the pedaling circle, although the cyclist´s torque (power) is nearly zero when the cranks are in vertical position. If the Ergometer had no fly mass, the cadence would decrease to nearly zero with this crank position and a high power output. This would result in a very noncircular tread then.

In the following figures it is shown how to create a drive with both the fly masses and the gearbox which is approximately identical to the driver´s weight.

<gallery>
File:023-Kinetic-Energy-Cyclist.jpg|Kinetic energy of cyclist incl. bike
File:024-Kinetic-Energy-Flymasse.jpg|Kinetic energy SRM-Ergometer and flywheels
File:025-Transmission-Ratio-Ergometer.jpg|Transmission-Ratio of the SRM-Ergometer
</gallery>

The kinetic energy of the cyclist equals the rotational energy of the flywheels.

The kinetic energy of the cyclist is: E = v² x m/2

Please keep in mind that in a power-orientated test the change of regulation (hunting) increases linear to the fly mass-range in the single power steps. If one likes to have a change of regulation as little as it can be, it is best to ride in 3rd or 4th gear. It is also helpful to change to a smaller gear, when the no load-friction of the Ergometer in the 3rd or 4th gear is higher than the power at the beginning in an incremental stress test. In the 4th gear the no load-friction is about 80 watts with a cadence of 90, in the 1st gear it is about 50 watts. Therefore it is not possible to regulate less than 50 watts.

But please consider that the Rohloff gear box for regular performance diagnostics and step testing should be used in gear 8 or 9 ([[Media:Ergo-Rohloff-01.jpg|s. picture]]).

The fly masses can easily be changed after taking off the left ergometer lid by loosening the brass-coloured counter-nut. Hand-tight fastening is enough.

The small fly mass weights 4.6 kg and the big fly mass weights 9.1 kg.

Calibration of the Ergometer

2016-05-10T13:18:01Z

Administrator: /* SRMWin – Software: Setting USB/serial adapter in the active port */

{{languages
|de=Kalibrierung des Ergometers
|en=Calibration of the Ergometer
|cn=Calibration of the Ergometer
}}

In order to get precise test data, it is absolute necessary that the SRM – High Performance Ergometer is calibrated. We recommend conducting this calibration before every measurement.

<gallery>
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:01-Einstellung-PCIV.jpg|Setting PC IV in the drop-down menu
File:Options-System-ActivePort.jpg|Setting USB/serial adapter in the active port
File:Setup-PowerControl.jpg|Setup PowerControl
File:Special.jpg|Special
File:Nullstelllen-Kalibrierung.jpg|Zero offset calibration of the PowerMeter
</gallery>

== PowerMeter Slope ==

Please check the slope on the PowerMeter and also on the SRMWin – Software before every test day. The proper setting is crucial for the measuring accuracy.

The slope is programmed into the PowerMeter and can be read from the back of the lid or the invoice and the delivery note.

If you are not able to read the slope anymore and you cannot find it somewhere else, please contact us under info@srm.de or by telephone and we will tell you the slope. We just need to know the serial number of your PowerMeter. This serial number is engraved on the front or back of the PowerMeter.

<gallery>
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:01-Slope-Sign-frontview.jpg|Reading slope at the front
File:02-Slope-Sign-Handlebar.JPG|Reading slope on the handlebar
File:03-Slope-Sign-Crank.JPG|Reading slope at the crank
</gallery>

== SRMWin – Software: Setting PC IV in the drop-down menu ==

[[File:01-Einstellung-PCIV.jpg|thumb|Setting PC IV in the drop-down menu]]

The condition for the communication of the PowerControl IV (PC IV) with the installed SRMWin-software is the setting of the PC IV in the drop-down menu on the SRMWin surface.

 

== SRMWin – Software: Setting USB/serial adapter in the active port ==

[[File:Options-System-ActivePort.jpg|thumb|Setting USB/serial adapter in the active port]]

Please check if the accurate USB/serial adapter is installed correctly and also displayed on the screen. The installation and application of the provided adapter is necessary to guarantee correct data transfer to the connected computer. Furthermore, it is important that you install the matching adapter for the Windows version you are using.

If a compatible adapter is installed you can see it as “SRM Downloadcable USB” in the active port.

*Our tested recommendations are:
:ATEN USB-to-Serial-(RS 232) Converter, (Model: UC-232A), (for Windows 7)
:Plugable USB to RS-232 D89 Serial Adapter (for Windows 8)
:Delock Adapter USB 1.1 > 1 x Serial (for Windows 10)

 

== SRMWin – Software: PowerControl Setup ==

[[File:Setup-PowerControl.jpg|thumb|PowerControl Setup]]

Check the setup of the PowerControl by calling up the point PowerControl -> “Setup” in the SRMWin – Software.

* '''Initials'''
:Here you can define and enter for example the initials of your Ergometer. These initials determine the register on the harddrive of your computer in which the data will be saved (e.g.: _data.srm/_USA.srm). You can change the initials of already saved SRM files under Properties.

*'''Interval of storage'''
:The recommended storage interval in the PowerControl is 1sec. It will save an average value during the adjusted interval.
:The data of the PowerControl can also be saved in intervals of 0.10s, 0.20s, 0.50s, 1s, 2s, 5s, 10s, 15s, 30s, 60s, 120s and 240sec [[Media:PCIV-Setup-Interval-of-storage.jpg|(Interval of storage)]]. If you want to readout the data and transfer it to a connected computer, you can only do that via the SRMWin-Software over [[Media:PCIV-Powercontrol-Save-Data-F11.jpg|Save Data F11]].

* '''Slope of Powermeter'''
:Here you can adjust the slope of your PowerMeter [[Calibration of the Ergometer#PowerMeter Slope|(Reading the slope)]]. In the images on the right hand side the PowerMeter has a slope of 15.85 Hz/Nm. The setting of the right PowerMeter slope is crucial for the measurement accuracy. A wrong setting of the slope results in incorrect power display.

*'''Circumference of tire'''
:The circumference of the tire for the Ergometer is set to “1000 millimeters”. This predetermined value of 1000 mm has to be maintained to guarantee the precise measurement of your power data.

*'''Total distance'''
:The overall distance which you have ridden with the PowerControl until now.

*'''Training zones'''
[[File:Trainingzones.jpg|thumb|Training zones]]
:In this window you can set your personal training zones. These zones are independent from the analyzing of the training-zones which were set in the software. They just apply for the PowerControl and are recalled during training.

*'''Date and time'''
[[File:Date_and_Time.jpg|thumb|Date and Time]]
:With this button you can set date and time of the PowerControl. It is important to check these settings because the date is simultaneously a part of the file name and enables the assignment to a register in the database.

*'''Special'''
[[File:Special.jpg|thumb|Special]]
::'''Interval of storage for temperature'''
::This setting has the purpose of saving the temperature over a certain time interval in the PowerControl. The time interval is shown in min.
::Advisable would be an interval of 10 min. A shorter interval is not to recommend because the temperature sensor in the case of the PowerControl accommodates itself with a certain delay onto the ambient temperature.

::'''Powercontrol display data'''

:::'''Update every''': Tells you in which time interval the data will be updated on the display..

:::'''Smooth over''': Tells you in which time interval the data will be smoothed on the display.
:::Example: The setting of 1 [s] at “Update every POW” (Power) and smoothed (Smooth over) over 3 [s], means that your PowerControl shows you every second the average power value over the last three seconds. These setting are independent of the interval of storage ones.
:::The label/time units are shown in seconds (s).

::'''Measure heartrate also without other data'''
::Usually, the PowerControl switches off if the speed and the cadence fall to zero. But you can choose the option that the PowerControl stays on to display the heart rate.

::'''Powercontrol will not switch off'''

::The PowerControl will not switch off and stays on until the batteries show not enough capacity anymore.

::'''Highest change of heart rate'''

::Highest change of heart rate per minute. If there are higher heart rates as the set ones they will be ignored.

::'''Shortest heart rate transmitter signal'''

::Shortest heart rat transmitter signal given in milliseconds.

*'''Clear Memory'''

:Please check in regular intervals the storage capacity (remaining memory) and the state of charge of the PowerControl via pressing the buttons MODE and PRO on the PowerControl simultaneously. The remaining memory is shown in percentage. If the memory is full, you should delete the data via [[Media:Clear_memory.jpg|"Clear memory"]].

:All files will be irrevocably deleted.

== Zero offset calibration of the PowerMeter ==

[[File:Nullstelllen-Kalibrierung.jpg|thumb|Zero offset calibration of the PowerMeter]]

The PowerMeter delivers a certain frequency which is proportional to the torque of the pedal force on the crank. If there is no load on the crank, the PowerMeter is sending a base frequency which must be communicated to the PowerControl as a reference value. This procedure is called zero offset calibration (offset adjustment).

The zero offset calibration has to be done before every new assembly of the PowerMeter and also before every measurement resp. every training on the Ergometer. A wrong zero offset calibration can result in an internal miscalculation of the power.

Please perform the zero offset calibration as it is described below:

* For a manual comparison, please turn the right unloaded crank clockwise to activate the PowerMeter.
* By simultaneously pressing MODE and SET, the PowerControl turns into calibration mode.
* Wait a few seconds until the value on the right-hand side of the display stabilized itself.
* Press SET to apply the zero offset.
* The number on the right-hand side of the display is the current frequency of the PowerMeter (SET).
* The number on the left-hand side of the display is the frequency which is used for the power measurement (MANU).

[[Kategorie:Ergometer]]

File:01-sign-Isokinetic-mode.jpg

2015-09-03T09:16:47Z

Administrator:

SRM-Online settings in the SRMWin-Software

2015-09-03T09:15:45Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21 in gear 9 ([[Media:01-sign-Isokinetic-mode.jpg|see sign]]). Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
::If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

SRM-Online settings in the SRMWin-Software

2015-09-03T09:14:16Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21 in gear 9 ([[Media:01-ErgometerButton.jpg|see sign]]). Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
::If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

SRM-Online settings in the SRMWin-Software

2015-09-03T09:11:17Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21 in gear 9 (see sign). Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
::If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

SRM-Online settings in the SRMWin-Software

2015-09-03T08:46:23Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21 in gear 9. Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
::If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

SRM-Online settings in the SRMWin-Software

2015-09-03T08:41:05Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21. Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
::If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

SRM-Online settings in the SRMWin-Software

2015-09-03T08:40:17Z

Administrator: /* The “Extra” tab */

{{languages
|de=SRM-Online Einstellungen in der SRMWin-Software
|en=SRM-Online settings in the SRMWin-Software
|cn=SRM-Online settings in the SRMWin-Software
}}

<gallery>
File:01-ErgometerButton.jpg|Switch to the Online - Option
File:Online-Mode.jpg|The "Mode" tab for creating new training files
File:Protokoll.jpg| Name and apply a new trainingfile
File:Create_Training_File.jpg| Create a new trainingfile
File:Bild8.jpg| Automatic data storage
File:Demo_Mode.jpg| The "Demo Mode" tab
</gallery>

== Introduction ==

[[File:01-ErgometerButton.jpg|thumb|Switch to the Online - Option]]

Please switch to the SRM-Online level by activating the [[Media:01-ErgometerButton.jpg|Ergometer Button]] in the SRMWin-Software.

With the SRM-Online option it is possible to look at the data (Power-, Heart rate-, Cadence- and Speed data shown in diagrams) of the PowerControl online in real-time. It can be seen on a computer monitor and then be saved there as well. To use this feature, you need a PowerControl which got the so called “online option”. Usually such a PowerControl is supplied with an Ergometer.

Basically, the Ergometer can operate in three different modes:

# '''Open End Mode:''' This mode is meant for example for warm-ups / cool downs. It allows the control of the power via changing the grey highlighted digits from 0 - 10. That’s why it is not advisable to run performance tests in the Open End Mode.
# '''Hyperbolic Mode:''' Perfect for ramp- and incremental stress tests and also for tests which last over a longer period of time at a consistent power output. The cyclist can determine the best cadence for himself and the Ergometer keeps the resistance constant.
# '''Isokinetic Modus:''' In this mode you can measure the maximal power output at a previously determined cadence frequency. The break will keep the cadence steady; even at the attempt to increase it.

 

== The “Mode” tab ==

[[File:Online-Mode.jpg|thumb|The "Mode" tab for creating new training files]]

Here you can define the test protocol for your performance diagnostics or your training session.

* '''Start Test by'''
:Under the button ''Start Test by'' you can decide if the test (or training session) will be started by reaching a specific cadence or by clicking the ''Start Button''.
* '''Stop Test by'''
:Under ''Stop Test by'' you can decide if the test will end automatically when there is no more cadence to be measured or by manually clicking the ''End Button''.

* '''Ergometer Mode'''
:Under ''Ergometer Mode'' you can choose a specific operation mode for the Ergometer:
:*'''Predifined File''':''Predifined File'' gives you the opportunity to run tests or train after own created protocols.
:*'''Open End Test''': By choosing ''[[SRM-Online settings in the SRMWin-Software#The “Extra” tab|Open End Test]]'' you will only be presented real-time data on the monitor.
:*'''Demo Mode''': The ''[[SRM-Online settings in the SRMWin-Software#The “Demo Mode” tab|Demo Mode]]'' is suitable for the use at exhibitions or other demonstrations.
:*'''Calibration Mode''': This mode allows you a detailed calibration of the Ergometer.

* '''Entering of a new Test'''
[[File:Create_Training_File.jpg|thumb|Create a new trainingfile]]
[[File:Protokoll.jpg|thumb|Name and apply a new trainingfile]]
:Choose ''Predefined File'' and click on ''Create'' to generate a new test. Under ''Filename '' you can give the test a name (here: “Test”). You don’t have to change anything at Typ of File (Dateityp). After doing that, click on the ''Save'' button.
:Your settings will be lost if you don’t generate a test via ''Create'' first.

:“Test” will now appear under ''selected File''. Under Commentary, you can define the file even more precisely (here “2*K3” is a term used in the training science and it means strength training on the bike).

:Please go now to the lower part of the window and enter the steps one by one. To do so, first click on the input field under ''Time'' and write down how long the step should last. Continue with the input fields for ''Power'', ''Heart rate'' and finally ''Cadence''. If you have entered all four input fields and so defined this first training level, please produce a new line via the button arrow.

:Another way to get a new line of input fields is to press the right mouse button on the field ''Time''. After that you can choose between ''New Zone'' and ''Delete Zone''. With ''Delete Zone'' you delete the line and with ''New Zone'' you will insert a new line. By checking of the value behind either ''Power'', ''Heart rate'' or ''Cadence'' you decide which value will be shown as guideline on the monitor during the training. You can only check of one value at a time (the check behind Time is always possible and means the setting of a marker). On the right hand side under ''Total Time'' you can see the overall time of the test. Click on ''Apply'' to save the test.

 

== The “Main Chart” tab ==
[[File:MainChart.jpg|thumb|The “Main Chart” tab]]
In this menue you can set the scaling of the graphs and the length of the displayed segments.

* '''Time Scale'''
:By selection of ''Show always entire Test'' you will be shown the entire test on the monitor. By clicking on “Show only the last…minutes”, you will only be shown the time period you entered before.

In the lower part of the window please specify by clicking on ''Visible'', if you want to see the values ''Power'', ''Heart rate'', ''Cadence'' and/or ''Speed''. Under ''From / To'', you can define the range, in which the values will be shown. ''Distance'' gives you the difference of the chosen range.

== The “Predefined File” tab ==
[[File:Predefined_File.jpg|thumb|The “Predefined File” tab]]
* '''Automatic Markers'''
:Under ''Automatic Markers'' you can activate or deactivate the automatically setting of markers at the beginning and at the end of every step. These Markers will appear in the saved file in the same way they are appearing in the SRM-Software.

* '''What to do with next / prev. Button'''
:At the ''What to do with next / prev. Button'', you can choose between two functions.
:When activating ''go to next / prev. Step'', please go to the previous or the following programmed step by clicking of ''Prev. Step'' or ''Next Step'' during the test.
:When activating ''go to next / prev. marked Step'' please go to the previous or the following programmed marking by clicking of ''Prev. Step'' or ''Next Step'' during the test. You can set those markings by checking off [[Media:Protokoll.jpg|Time]].

== The “Demo Mode” tab ==
[[File:Demo_Mode.jpg|thumb|The “Demo Mode” tab]]
By enabling the Demo mode you can generate a ranking list. That would be appropriate for the usage at expos or other demonstrations. One important condition for it is that you create at least one category at the Demo mode tab. With the right mouse button, you can add a ''New Category'' and create the desired entries for ''Name'', ''Watt'', ''Tolerance'' and ''Time''. The ''Tolerance'' has only a graphical meaning during the Demo tests.

DThe results of the performed Demo – Ride will be sorted under four different perspectives:

# Steady Power: How even could you hold a preset power value?
# Max Power: How high was the maximal power output?
# Max Distance: WHow high was the maximal covered distance?
# Race

 

==The “Extra” tab==

[[File:020-Isokinetic-Gear-Change-53.jpg|thumb|Gearing Isokinetic Mode]]

*'''Gearing Isokinetic Mode:'''

:Under the “Gearing Isokinetic Mode” you can determine the setting for the isokinetic mode.

:* '''Variable'''
::You have to activate ''Variable'' if you want to run the Ergometer in isokinetic mode and independent of the adjusted gear.

::The Ergometer automatically determines the speed limit on the basis of the adjusted gearing. This limit and thereby the torque can be influenced by vibrations. That’s why it is not so steady as if you would adjust fixed gearing.

:* '''Fixed'''
::To allow an adjustment of the cadence during a steady angular velocity of the fly masses or if you need a fast adjustment of the eddy current brake, please activate ''Fixed'' (fixed gearing).

::The user defines the gearing with which he wants to ride the isokinetic test. The torque is held very consistent in that mode. The torque is only correct if you have chosen the right gear. At the current ergometers the setting of the gearing is adjusted at 80/21. Older ergometer can have a different gearing and with a change of the chainrings the gearing will change as well. The new fixed gear must be entered accordingly in the ''Fixed'' box.
If the fixed gear is not known or the cadence deviates from the specified isokinetic test profile, the gearing may be readjusted or corrected based on various experiments (trial & error). For this purpose, in each case only small changes to one or both values should be performed.

* '''At Testend'''

:Here you can set an automatically storage of your SRM- training file on your computer. Even when you click no, the training file will be saved onto your PowerControl and can be downloaded later. The training file will only be saved on the PowerControl as long as if there is enough free disc space available.

* '''Stop Ergo Button'''
: If the ''Stop Ergo Button'' is activated, the Ergometer stops when there is no more cadence to be registered. ''At Test end'' means that this feature only works at the end of the test.

* '''Horse Mode'''
:This setting is for the measurements with horses. If ''Horse Mode'' is activated you can see only heart rate and speed on the monitor.

* '''Brake control options'''
:The following section is about the setting of the Ergometer brake.
:*'''Control rate''': Here the user can decide how long the brake needs to stop the Ergometer. This braking speed can be set in 10 steps from slow to fast.
::*Fast: Ergometer stops immediately (0,5s)
::*Slow: Ergometer brakes slowly (5s)

:*'''Brake base values''':With the basis values you can predetermine the target performance for the control of the eddy current brake. Please change these values very carefully because entering wrong values can result in a non-working Ergometer.
::*Friction: Please set here the basis friction of the Ergometer at a speed of 30 km/h.
::*Slope: Has only to be changed if the Ergometer brakes to fast or to slow. If the Ergometer brakes to fast you have to move the pointer further to the left and if it brakes to slow you have to move the pointer further to the right.
::*Fixpoint: If the resistance is higher or lower than the target performance, you have to change the fix point. This is independent from the positive or negative change of the resistance.

* '''RESET Software'''
: Resets the control parameters of the Ergometer.

Torque Analysis

2015-08-12T08:24:19Z

Administrator: /* Settings */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 [Hz] and a Zero Offset of 479 [Hz] the torque is calculated at 44.2 [Nm].
:Calculating method: (773 [Hz] - 479 [Hz]) / 17.5 [Hz/Nm] = 44.2 [Nm]

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position (Activation Point) of the revolution. The Activation Point does not affect the data collection, it only serves the graphic adaptation and displacement of the zero point (0°).

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Electronic Fundamentals

2015-07-31T09:49:03Z

Administrator:

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|The Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins) ([[Media:PCIV-2-ports-plug01.jpg|s. picture]])
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins) ([[Media:PCIV-2-ports-plug02.jpg|s. picture]])
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins) ([[Media:PCIV-3-ports-plug03.jpg|s. picture]])
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

SRM-Online represented practically

2015-05-05T14:56:25Z

Administrator: /* Open End Test */

{{languages
|de=SRM-Online in der praktischen Darstellung
|en=SRM-Online represented practically
|cn=SRM-Online represented practically
}}

==Introduction==

In the following sections, you can see programmed protocols to perform several performance tests.

== Hyperbolic performance testing (incremental stress test) ==

[[File:Start-Leistungsdiagnostik.jpg|thumb|Start of incremental hyperbolic stress test]]
[[File:016_SRM_-Online_Test_Hyperbolic.jpg|thumb|Practice of hyperbolic stress test]]

You can see two examples of an incremental hyperbolic stress test on the right hand side. The [[Media:Start-Leistungsdiagnostik.jpg|first image]] shows you the protocol which was programmed under the [[Media:Online-Mode.jpg|Mode tab]] before starting the stress test. This particular one starts at 100 W over 3 min and will be increased by 20 W every 3 min.

The [[Media:016 SRM -Online Test Hyperbolic.jpg|second image]] shows you the data and guidelines during the incremental hyperbolic stress test.

*The current power is shown green colored
*The current heartrate is shown red colored
*The current cadence is shown blue colored
*The current speed is shown pink colored
*The current heart rate value is represented with a red line on the lower part of the monitor image. The power is represented by a green line and the cadence by a blue one.
*The graphic scaling adjusts automatically to the produced power.
* Under ''Total Time'' you can see the ridden time so far
* Under ''Countdown next step'' you can see the remaining time until proceeding to the next step
*The colored bars in the upper right area have the following function:
:At 90 to 100 % completion of the cadence guideline, the bar stays green. At 80 to 90 % completion the bar turns yellow and at 70 to 80 % it turns red. There is no display of larger deviations.

The intermediate status display has the following functions:
*Display of the [[Media:Online-Mode.jpg|kind]] of test you are performing:''Predefined File'', ''Open End'' oder ''Demo''.
*Showing after which [[Media:Protokoll.jpg|guideline]] you train at the moment: ''Control by Power'', ''Control by Cadence'' or ''Control by Heartrate''.
*The name of the file: here [[Media:Protokoll.jpg|File Name]]: Test.
*''No Brake'' or ''Brake on'' works only in combination with an Ergometer.
*''Start'', ''Pause'' or ''Resume'' to start, pause or resume the test. Start appears only if you have activated the start button at Start Test by in the [[Media:Online-Mode.jpg|Mode tab]] Should you have activated ''Cadence'' at ''Start Test by'', aktiviert haben, the test starts when there is cadence present.

*By clicking on ''Prev. Step'' / ''Next Step'' you can, depending on what you have adjusted at the ''Predefined File'' level, go back to the previous step / marker or jump forward to the next step / marker.
*If you are done with the test, click on [[Media:Testdaten_speichern.jpg|''Save Data'']] to save the test. You can give remarks to the training under ''Comment''. You can also make modifications for the Initials (''Initials''), the date (''Date'') and the time (''Time''). To complete everything successfully, please click on ''Save''.
*By clicking of ''Set Marker'', you can place markers during the test.
*''Stop Ergo'' works only in connection with the Ergometer and if there will be no cadence.
*You can end the test and leave the online program by clicking on ''Exit'' / ''End''.

*In the upper part of the monitor image you can see four colored displays. In green you can see the display for ''Power'', red shows you the ''Heartrate'', blue the ''Cadence'' and pink the ''Speed''. There is always a larger and underneath it a smaller number to be seen for each display. The larger values give you your current performance output while the smaller ones give you the targeted value for this block. The difference between the actual and the desired performance output is a result of the performance variation of the athlete. Differences up to 5 % are quite normal, but on average, the deviation will still be smaller than 1 % over the controlled period of time.
:You can increase or decrease the current guideline (power, heart rate, cadence) for the test via the arrow buttons (up / down).

==Isokinetic Performance Test==
[[File:Isokinetischer_Test.jpg|thumb|Protocol isokinetic Test]]
[[File:Isokinetischer_Test_1.jpg|thumb|Practice isokinetic Test 1]]
[[File:Isokinetischer_Test_2.jpg|thumb|Practice isokinetic Test 2]]
* The first grey block corresponds with the first planned power output of 100 watts
* The second blue block shows a targeted cadence of over 90 rpm
* The third red block equals the previously set heart rate guideline of 130 bpm

:If you train after cadence guideline [[Media:Protokoll.jpg|Power or Heart rate is checked off on this level]], the bars will show you the Power guideline. They help the athlete to get a better orientation and they have no influence on the regulation.

== Heart rate controlled Performance Test ==

*If you have checked off heart rate in the Mode Tab, the guideline of the protocol is shown in the color red on the monitor.

== Open End Test ==

[[File:OpenEndTest.jpg|thumb|Open End Test in practice]]

*By choosing Open End Test there will only be shown real time data on the monitor.
*In the upper middle part of the screen you can see the overall ridden kilometers.
*You can change the resistance via the arrow button (up, down) besides the little grey number in the upper left part of the screen. The scaling reaches from [[Media:OpenEndTest.jpg|0 to 10]].

SRM-Online represented practically

2015-05-05T14:55:59Z

Administrator: /* Open End Test */

SRM-Online represented practically

2015-05-05T14:54:57Z

Administrator: /* Open End Test */

Data Export

2015-04-29T07:14:16Z

Administrator: Created page with "{{languages |de=Datenexport |en=Data Export |cn=Data Export }}"

MediaWiki:Sidebar

2015-04-29T07:12:31Z

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** en:Main_Page|Home

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** en:SRM-Online settings in the SRMWin-Software|SRM-Online settings
** en:SRM-Online represented practically|SRM-Online practice
** en:Data Export|Data Export
** en:Torque Analysis|Torque Analysis
** en:Manuals|Manuals
** en:International publications on SRM Ergometer|Publications
** en:References|References

* Quick Links
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* TOOLBOX

File:Hahn Test 5 0.1.txt

2015-04-29T07:07:25Z

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MediaWiki:Sidebar

2015-04-28T14:27:10Z

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** en:Main_Page|Home

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** en:Mechanical Fundamentals|Mechanical Fundamentals
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** en:SRM-Online settings in the SRMWin-Software|SRM-Online settings
** en:SRM-Online represented practically|SRM-Online practice
** en:Data export|Data export
** en:Torque Analysis|Torque Analysis
** en:Manuals|Manuals
** en:International publications on SRM Ergometer|Publications
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* TOOLBOX

Torque Analysis

2015-03-12T10:58:32Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 [Hz] and a Zero Offset of 479 [Hz] the torque is calculated at 44.2 [Nm].
:Calculating method: (773 [Hz] - 479 [Hz]) / 17.5 [Hz/Nm] = 44.2 [Nm]

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Torque Analysis

2015-03-12T10:56:14Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 (Hz) and a Zero Offset of 479 (Hz) the torque is calculated at 44.2 Nm.
:Calculating method: (773 (Hz) - 479 (Hz)) / 17.5 (Hz/Nm) = 44.2 Nm

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Torque Analysis

2015-03-12T08:03:02Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 (Hz) and a Zero Offset of 479 (Hz) the torque is calculated at 44.2 Nm.
:Calculating method: 773 (Hz) - 479 (Hz) / 17.5 (Hz/Nm) = 44.2 Nm

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Torque Analysis

2015-03-12T08:00:40Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 (Hz) the torque is 44.2 Nm
:Calculating method: 773 (Hz) - 479 (Hz) / 17.5 (Hz/Nm) = 44.2 Nm

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Torque Analysis

2015-03-12T07:58:22Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 (Hz) the torque is 44.2 Nm (773 (Hz) - 479 (Hz) / 17.5 (Hz/Nm) = 44.2 Nm).

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Torque Analysis

2015-03-12T07:57:31Z

Administrator: /* Analysis screen */

{{languages
|de=Torque Analysis - Tretkraftanalyse
|en=Torque Analysis
|cn=Torque Analysis
}}

The SRM Ethernet Torque Analysis hardware and software is designed to display pedaling torque inputs in real time and provide the user with the ability to save and analyze tha data with a recording rate of 200 Hz.

Torque data is useful when working to determine optimum bike fit, the result of changes made to position, athlete pedaling dynamics, and when working to rehabilitate after injury. Data collected can be saved, reloaded, and exported for use in various other applications and formats.

<gallery>
File:06-sideview1.jpg|Frontview Torque Box
File:06-sideview2.jpg|Backview Torque Box
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
File:12-maingraph.png|Maingraph Torque Analysis
File:SRM-Ergometer-06.jpg|SRM - Software: Monitoring the Torque Analysis
File:SRM-Ergometer-05.jpg|The Torque Analyses during Performance Diagnostics
</gallery>

== Requirements ==

* SRM Ethernet Torque Analysis Box
* SRM Powermeter with wired coil and sensor cable
* Computer running either: MS Windows XP, Vista or 7; Mac OSX 10.5 or higher; or Linux Kernel 2.6 or higher
* Java Interpreter installed on the computer
* Ethernet connection and Cat5 patchcable

== System Setup ==

=== Connections ===

The SRM torque analysis box will connect as follows:

* Sensor: Analog sensor cable
* Ethernet: LAN connection
* Digital: Reserved for future use
* + 5v DC: Power supply
* Cadence: indicates a revolution
* On: indicates if powered up

Note: Power delivery from USB port on a computer is not sufficient to run the SRM Ethernet Torque box. Please use the external power supply.

<gallery>
File:08-frontview1.jpg|Frontview Torque Box
File:08-frontview2.jpg|Backview Torque Box
</gallery>

=== Software preparation ===

# Download the latest SRM torque software from www.srm.de
# Install the software. If needed, Java runtime environment will be downloaded and installed automatically

=== Hardware installation ===

# Doublecheck PowerMeter installation/sensor cable
# Connect SRM Ethernet Torque Analysis Box to the sensor cable. Use the analog input port of the SRM Ethernet Torque box
# Connect AC Power supply to the power input port of the SRM Ethernet Torque Analysis Box, check if power LED (green color)is on (see troubleshooting for any problems)
# Secure SRM Ethernet Torque box in stable position
# Start pedaling and check if the cadence LED (amber color) is flashing once per revolution
# Connect the network cable to the LAN port on the SRM Ethernet Torque Analysis Box and to your computer

=== Network setup ===

[[File:10-bottomview.jpg|thumb|Bottomview Torque Box]]

# Check the SRM Ethernet Torque box default IP address on the bottom of the outer case. The last digit of your PC's IP address (see next step) has to differ from the one of the torque box.
# Choose a free and valid IP address for your computer in the same subnetwork as the SRM Ethernet Torque Analysis Box (192.168.0.x).
::If you are using MS Windows: Press "Start“ button, open "Control Panel“, open "Network and Internet", select "Network and Sharing Center“, click "View Network Connections“, click on the connection you need to change (i.e. LAN), open "Properties“, double click on "Internet Protocol Version 4 (TCP/IPV4)“ and insert the choosen IP address.
::Please insert a different IP address than that of the Torque Box. Just change the last or the last two numbers of the Torque Box IP (e.g. 192.168.0.89). Otherwise there will be a conflict of the IP addresses.

<gallery>
File:01Torque-IP-settings.jpg|Control Panel
File:02-Torque-IP-settings.jpg|Network and Internet
File:03-Torque-IP-settings.jpg|Network and Sharing Center
File:04-Torque-IP-settings.jpg|View Network Connections
File:05-Torque-IP-settings.jpg|Properties
File:06-Torque-IP-settings.jpg|Internet Protocol Version 4 (TCP/IPv4)
File:07-Torque-IP-settings.jpg|Use the following address
File:08-Torque-IP-settings.jpg|IP address: 192.168.0.89
</gallery>

:: If you are using Apple OSX: Launch "System Preferences“ from the Apple menu (or Spotlight), click on the "Network“ icon in the lower right, click on the "Advanced“ button, in the pulldown menu next to "Configure IPv4" select "Manually“ and insert the chosen IP address.

<gallery>
File:01-OSX-Torque-IP-en.jpg|System Preferences
File:02-OSX-Torque-IP-en.jpg|Network
File:03-OSX-Torque-IP-en.jpg|Set the IP Address under Ethernet
</gallery>

=== Software setup ===

# Launch the SRM Torque Software
# When the software first runs, a writable folder needs to be defined to save the data. Select a folder.
# Main screen is now shown; go to Settings by clicking on the lower right corner button or through the Options-Settings on the top menu and configure the program

Start pedaling, and check the connection indicator on the lower left corner of the screen: this indicator should be green, if not go to log tab and check the
messages. Program settings and log file will be stored under the user's document folder:

'''Win XP:''' C:\Document and Settings\Document\SRMTrainingSystem\SRMTorque 
'''Win Vista/7:''' C:\Users\Document\SRM TrainingSystem\SRMTorque 
'''OSX:''' /User/Documents/SRM Training System/SRMTorque 

==Screens==
===Main screen===

[[File:12-maingraph.png|thumb|Maingraph Torque Analysis]]

The majority of this screen is taken by a graph showing online data:
* the x-axis of this graph is measuring the angle of revolution in degrees
* the y-axis represents the torque in Newtonmeters

The right side of this screen has two buttons: Record /Stop and Reset.
Pressing the Record button begins recording, pressing the Reset button clears all stored data. Here you can define the „Automatic stop“ settings.
Selecting „None“ will result in recording revolutions until stopped manually.

Selecting "Revolutions“ will result in recording the specified number of revolutions entered. Selecting "Time“ will result in recording the specified seconds of time entered. 

The "Notes“ area is for entering information specific to the revolution data that you record; any notes entered here will be displayed in the revolution table in the "Analysis“ view. 

Directly below the main graph, there is a field showing numerically the index of the revolution with the relative cadence and power. 

The bottom of the main view has a tracking feature which allows you to see specific angle and torque data as you mouse over the graph.

===Analysis screen===

The top part of this view contains a revolution table, showing data from all recorded revolutions with the appropriate graph for the selected revolutions
underneath.

Zoom with the mouse. Hold the left mouse button and open a zoom window or turn the mouse wheel to zoom in/out. Click and hold the left mouse button and wipe left/right to zoom out. The right graph can be set to show two different torque graphs: "Overlapped“ and „Rounded“: "Overlapped“ displays torque data split into two series: from 0 to 179 and from 180 to 359 degrees.

„Rounded“ displays torque data split into 2 inverted series to better visualize roundness of complete revolution.

Note: Moving the mouse cursor over the revolution line in the graph will popup a message that shows the degrees of the relative series.
Selecting multiple revolutions results in the graphical display of all revolutions (For windows operating system, this is done by pressing Ctrl-Click. When using Mac OS, this is done by pressing Command-Click).

The right side of this view has an "Export - Save and Load“ area; to export data, first select the desired revolutions. 

* '''Export'''
:Then select the output format (CSV, PNG or PDF) and choose what type of graph(s) you need. Pressing the "Export“ button will export all selected revolutions. 

:'''1st Example'''
:If you export one revolution or an average data file the CSV file syntax is defined according to the following pattern:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

:The attached [[Media:Example Torque Data Export (1 revolution).csv|example torque data file]] has got the following header: 12,50.319,312.0,59.351173,17.5,479.0,30.0,170,90

:Header
:Index: 12
:Cadence: 50.319
:Power: 312.0
:Torque: 59.351173
:Slope: 17.5
:Zero Offset: 479.0
:Delay:30.0
:Crank Length: 170,0
:Weight: 90

:All susequent lines represent the angles and the frequency. That means that you can calculate the torque for every angle by dividing the given frequency by the slope. At the angle of 180 degrees with the frequency of 773 (Hz) the torque is 44.2 Nm (773(Hz)-479(Hz)/17.5(Hz/Nm)=44.2Nm).

:'''2nd Example'''
:If you export more than one revolution as CSV file (s. [[Media:Example Torque Data Export (10 revolutions).csv|example torque data file (10 revolutions)]]) you find at the beginning of each revolution the same syntax which is explained in the 1st example above:

:ROW 1: Header: Index, Cadence, Power, Torque, Slope, Zero, Delay, Cranklenght, Weight,
:ROW 2 ... N: Body: Angle [Deg], Value [Hz] 

* '''Data Operation - Calculate Averag'''
:To calculate the average graph of revolutions select two or more revolutions. Press the "Calculate Average“ button in "Data Operation“ area . 

* '''Save'''
:The "Save“ button allows you to save all checked revolutions (marked with the "Save“ column in revolution table); the number of revolutions is shown on the "Save“ button. 

:All files will be saved in the data folder defined in the "Settings-System“ window.
:The naming of the SRM Torque Analysis file (.sta) is: 
:"initials-YYYY.MM.DD HH.mm.SS.sta“ 
:where "initials“ will represent the system's user name. 

* '''Load'''
:The "Load“ button allows you to open revolutions previously saved; press the "Load“ button, select a file, then press "Load File“ button (uncheck
:"Update Statistics“ if you do not want the file to affect current statistics). Pressing "Select File“ allows you to Load another file; when all files are loaded, press "Close“ to exit the window. 

* '''Marker operation'''
:The "Marker operation“ area is used to delete and colorize markers. First, select one or more revolutions, then click a starting point, followed by an ending point. The delta of these two points will be displayed in the lower left corner of the graph, showing both "Angle“ in degrees and "Torque“ in Nm. 

===Statistics screen===

The upper half of this view contains two histograms that show the Cadence and Power distribution for all recorded revolutions.
The lower half of this view contains a scattergram that shows the relationship between Cadence and Power for all recorded revolutions

===Log screen===

The Log view contains a complete listing of all relevent events that occured in the software during the current session:

* Connection information
* Save messages
* Load messages
* Device status
* Error notifications
* Recording events

==Settings==

The Settings window has 5 tabs.

* '''Graph'''
:The "Graph“ tab allows you to change the number of simultaneous revolutions shown on the main graph, as well as select custom colors for each revolution by clicking on the color. The "Add“ and "Delete“ new revolution buttons allow you to change the number of revolutions shown between 1 and 10. Checking the "Automatic torque scale“ box will result in a self-adjusting y-axis for torque values. By leaving this box unchecked, you can manually select the maximum torque value shown on the y-axis of the main graph. 

* '''User'''
:The "User“ tab contains the user information. The profile drop-down box contains a list of all available users with their information shown when selected.
:To change any parameters to a user, select the appropiate user, insert the new value and click "Apply modification“ button. To delete a user, select user and press "Delete User“ button. 
:To create a new user, input a user name for the profile, all the information, then click "Add User“ button. The current user profile is shown in red. To change the user, select a different user from the "User profile“ drop-down box, and click "Set Default User“ button; the current user information will be updated. 

:The most important information for a selected user profile as name, weight and crank length are shown in the statusbar on the bottom of the window when it gets updated. 

* '''PowerMeter'''
:The "PowerMeter“ tab is needed to change the PowerMeter's parameters. You can define the zero offset value and the slope of the PowerMeter as well as the starting position of the revolution.

* '''Network'''
:The "Network“ tab allows to change all network settings like IP address and port. 

* '''System'''
:The "System“ tab shows all network interfaces on your computer and is important when configuring your network address. Also, the destination folder for stored data can be changed here. 

==Utilities==

===Simulator===

The simulator is a part of the SRM Torque Analysis software that allows simulation of revolutions; to enable this go to "Utilities - Simulator“ menu and then press start. Make sure to select „Simulator“ also in the „Network profile“ on the settings menu.

===Cadence Bell===

This option will enable a cadence signal for each revolution when the signal is triggered.

==Troubleshooting==

===General===

* Power LED doesn't switch on
:Check the power supply and the power cable connection. 

* Cadence LED doesn't flash for each revolution
:Check the position of the sensor: the correct position is a tangental point to the coil of the PowerMeter, at a perpendicular angle. Normally, this is a point 5cm from the center of the PowerMeter axle. Move or rotate the cable while pedaling until Cadence LED flashes. 

* Power / Torque values shown on "Main“ screen are not accurate
:Ensure the PowerMeter settings are correct: check the slope and the zero offset values on Settings-Powermeter window. 

* No connection between the PC and the SRM Ethernet Torque Box
:Check the network configuration on your computer, ensure the IP address is in the same subnetwork of SRM Ethernet Torque Analysis box. 

* SRM Ethernet Torque Box's IP adress lost
:Use the DeviceInstaller Utility to find and setup a new IP adress. 

* The revolution graph is not in the right position
: Check the relative parameter on "PowerMeter profile“ considering the activation point. 

===PowerMeter related issues===

* Position of the sensor cable
:Check position of sensor cable to ensure it is passing over the cadence switch at a distance in between 3 and 5 mm. 

* PowerMeter - no signal
:If the position of the sesnor cable is okay and still no signal of the PowerMeter is received, the battery might be the reason. The battery is not self-replaceable. You will need to send the PowerMeter to SRM for replacement. Battery life of the PowerMeter varies between PowerMeter models (700-1900 hours of use). If the variance of your zero-offset frequency is higher than normal and your hours of usage is in the range above 700 hours, your battery likely needs to be replaced.

Mechanical Fundamentals

2015-03-11T14:04:00Z

Administrator:

{{languages
|de=Mechanische Grundlagen
|en=Mechanical Fundamentals
|cn=Mechanical Fundamentals
}}

The mechanical adjustment of the SRM – Ergometer allows the rider to find his individual positioning.

<gallery>
File:SRM-Sattelstütze-(Bezeichnungen).jpg|Designations seatpost and rulers
File:Lenker-(Bezeichnungen).jpg|Designations handlebars and rulers
File:Ergo-Rohloff-01.jpg|Rohloff Gear Box
File:Verlängerbare_Kurbel_1.jpg|Prolongable Crank 1
File:Verlängerbare_Kurbel_2.jpg|Prolongable Crank 2
File:022-Montage-Schwungmassen.jpg|Change of the flyingwheels
File:021-Getriebe-Schwungmassen.jpg|Illustration with smaller flywheel and corresponding spacers
</gallery>

== Positioning of the athlete ==
[[File:SRM-Sattelstütze-(Bezeichnungen).jpg|thumb|Designations seatpost and rulers ]]
[[File:Lenker-(Bezeichnungen).jpg|thumb|Designations handlebars and rulers]]
[[File:Verlängerbare_Kurbel_1.jpg|thumb|Prolongable Crank 1]]
[[File:Verlängerbare_Kurbel_2.jpg|thumb|Prolongable Crank 2]]

Before every performance diagnostic you have to check the positioning of the athlete.

Optimizing individual positioning is quickly achieved by adjusting the saddle and handlebar vertically and/or horizontally. To do so you have to open the locking lever. Because of a ruler which is attached to the saddle post you can reproduce your perfect positioning.

If adjusted correctly, it should be easy to move the vertical and horizontal stems when the quick release is open. A 5 mm Allen key situated on the saddle and handlebar mounts allows for further rigidity.

* '''Horizontal Positioning of the saddle'''
: The ruler which is integrated in the seat stay gives you the distance between the center of the bottom bracket and the front of the saddle. The distance in cm can be read from the left hand side of the seat stay.

: Sobald die Position des Sattels auf der Sattelstütze verändert wird passen allerdings die Abstände mit den den eingeklebeten Linealen nicht mehr überein. Dann müssen die Abstände auf den Linealen manuell korrigiert werden oder evtl. neue Lineale eingeklebt werden.

* '''Vertical Positioning of the saddle'''
* '''Horizontal Positioning of the handlebars'''
* '''Vertical Positioning of the handlebars'''

* '''Prolongable Crank'''
: The prolongable crank has round markings every 2.5 mm and every 10 mm a line. If the steel element of the crank is completely retracted in the aluminium crank the minimal length of the crank arm is 150 mm. If the crank arm is completely pulled out, the maximal length is 190 mm. Before changing the crank arm length you have to open both Allen screws.

:After adjusting the right crank arm length, please tighten the Allen screws again with a maximal torque of 10 Nm so that they won’t come loose while you ride the Ergometer. Make also sure that the screws are situated with a distance of a 2.5 mm. This can be determined when the fixing spring (situated between the Allen screws) locks into the holes of the steel element of the crank. Please do never remove or adjust the fixing spring.

:From time to time it is necessary to grease the steel elements of the crank to protect them from sweat and to maintain the free movement.

 

==Gearbox and fly masses functions==
[[File:022-Montage-Schwungmassen.jpg|thumb|Change of the flywheels]]
[[File:021-Getriebe-Schwungmassen.jpg|thumb|Illustration with smaller flywheel and corresponding spacers]]

The gearbox meets two major functions:
# Simulation of the mass moment of the cyclist.
# Change of cadence in isokinetic tests without changing the cadence in the predetermined test file.

The mass moment of the athlete during cycling causes above all an approximately constant angular velocity of the pedaling circle, although the cyclist´s torque (power) is nearly zero when the cranks are in vertical position. If the Ergometer had no fly mass, the cadence would decrease to nearly zero with this crank position and a high power output. This would result in a very noncircular tread then.

In the following figures it is shown how to create a drive with both the fly masses and the gearbox which is approximately identical to the driver´s weight.

<gallery>
File:023-Kinetic-Energy-Cyclist.jpg|Kinetic energy of cyclist incl. bike
File:024-Kinetic-Energy-Flymasse.jpg|Kinetic energy SRM-Ergometer and flywheels
File:025-Transmission-Ratio-Ergometer.jpg|Transmission-Ratio of the SRM-Ergometer
</gallery>

The kinetic energy of the cyclist equals the rotational energy of the flywheels.

The kinetic energy of the cyclist is: E = v² x m/2

Please keep in mind that in a power-orientated test the change of regulation (hunting) increases linear to the fly mass-range in the single power steps. If one likes to have a change of regulation as little as it can be, it is best to ride in 3rd or 4th gear. It is also helpful to change to a smaller gear, when the no load-friction of the Ergometer in the 3rd or 4th gear is higher than the power at the beginning in an incremental stress test. In the 4th gear the no load-friction is about 80 watts with a cadence of 90, in the 1st gear it is about 50 watts. Therefore it is not possible to regulate less than 50 watts.

But please consider that the Rohloff gear box for regular performance diagnostics and step testing should be used in gear 8 or 9 ([[Media:Ergo-Rohloff-01.jpg|s. picture]]).

The fly masses can easily be changed after taking off the left ergometer lid by loosening the brass-coloured counter-nut. Hand-tight fastening is enough.

The small fly mass weights 4.6 kg and the big fly mass weights 9.1 kg.

File:Ergo-Rohloff-01.jpg

2015-03-11T14:02:08Z

Administrator:

Mechanical Fundamentals

2015-03-11T13:56:53Z

Administrator: /* Gearbox and fly masses functions */

{{languages
|de=Mechanische Grundlagen
|en=Mechanical Fundamentals
|cn=Mechanical Fundamentals
}}

The mechanical adjustment of the SRM – Ergometer allows the rider to find his individual positioning.

<gallery>
File:SRM-Sattelstütze-(Bezeichnungen).jpg|Designations seatpost and rulers
File:Lenker-(Bezeichnungen).jpg|Designations handlebars and rulers
File:Verlängerbare_Kurbel_1.jpg|Prolongable Crank 1
File:Verlängerbare_Kurbel_2.jpg|Prolongable Crank 2
File:022-Montage-Schwungmassen.jpg|Change of the flyingwheels
File:021-Getriebe-Schwungmassen.jpg|Illustration with smaller flywheel and corresponding spacers
</gallery>

== Positioning of the athlete ==
[[File:SRM-Sattelstütze-(Bezeichnungen).jpg|thumb|Designations seatpost and rulers ]]
[[File:Lenker-(Bezeichnungen).jpg|thumb|Designations handlebars and rulers]]
[[File:Verlängerbare_Kurbel_1.jpg|thumb|Prolongable Crank 1]]
[[File:Verlängerbare_Kurbel_2.jpg|thumb|Prolongable Crank 2]]

Before every performance diagnostic you have to check the positioning of the athlete.

Optimizing individual positioning is quickly achieved by adjusting the saddle and handlebar vertically and/or horizontally. To do so you have to open the locking lever. Because of a ruler which is attached to the saddle post you can reproduce your perfect positioning.

If adjusted correctly, it should be easy to move the vertical and horizontal stems when the quick release is open. A 5 mm Allen key situated on the saddle and handlebar mounts allows for further rigidity.

* '''Horizontal Positioning of the saddle'''
: The ruler which is integrated in the seat stay gives you the distance between the center of the bottom bracket and the front of the saddle. The distance in cm can be read from the left hand side of the seat stay.

: Sobald die Position des Sattels auf der Sattelstütze verändert wird passen allerdings die Abstände mit den den eingeklebeten Linealen nicht mehr überein. Dann müssen die Abstände auf den Linealen manuell korrigiert werden oder evtl. neue Lineale eingeklebt werden.

* '''Vertical Positioning of the saddle'''
* '''Horizontal Positioning of the handlebars'''
* '''Vertical Positioning of the handlebars'''

* '''Prolongable Crank'''
: The prolongable crank has round markings every 2.5 mm and every 10 mm a line. If the steel element of the crank is completely retracted in the aluminium crank the minimal length of the crank arm is 150 mm. If the crank arm is completely pulled out, the maximal length is 190 mm. Before changing the crank arm length you have to open both Allen screws.

:After adjusting the right crank arm length, please tighten the Allen screws again with a maximal torque of 10 Nm so that they won’t come loose while you ride the Ergometer. Make also sure that the screws are situated with a distance of a 2.5 mm. This can be determined when the fixing spring (situated between the Allen screws) locks into the holes of the steel element of the crank. Please do never remove or adjust the fixing spring.

:From time to time it is necessary to grease the steel elements of the crank to protect them from sweat and to maintain the free movement.

 

==Gearbox and fly masses functions==
[[File:022-Montage-Schwungmassen.jpg|thumb|Change of the flywheels]]
[[File:021-Getriebe-Schwungmassen.jpg|thumb|Illustration with smaller flywheel and corresponding spacers]]

The gearbox meets two major functions:
# Simulation of the mass moment of the cyclist.
# Change of cadence in isokinetic tests without changing the cadence in the predetermined test file.

The mass moment of the athlete during cycling causes above all an approximately constant angular velocity of the pedaling circle, although the cyclist´s torque (power) is nearly zero when the cranks are in vertical position. If the Ergometer had no fly mass, the cadence would decrease to nearly zero with this crank position and a high power output. This would result in a very noncircular tread then.

In the following figures it is shown how to create a drive with both the fly masses and the gearbox which is approximately identical to the driver´s weight.

<gallery>
File:023-Kinetic-Energy-Cyclist.jpg|Kinetic energy of cyclist incl. bike
File:024-Kinetic-Energy-Flymasse.jpg|Kinetic energy SRM-Ergometer and flywheels
File:025-Transmission-Ratio-Ergometer.jpg|Transmission-Ratio of the SRM-Ergometer
</gallery>

The kinetic energy of the cyclist equals the rotational energy of the flywheels.

The kinetic energy of the cyclist is: E = v² x m/2

Please keep in mind that in a power-orientated test the change of regulation (hunting) increases linear to the fly mass-range in the single power steps. If one likes to have a change of regulation as little as it can be, it is best to ride in 3rd or 4th gear. It is also helpful to change to a smaller gear, when the no load-friction of the Ergometer in the 3rd or 4th gear is higher than the power at the beginning in an incremental stress test. In the 4th gear the no load-friction is about 80 watts with a cadence of 90, in the 1st gear it is about 50 watts. Therefore it is not possible to regulate less than 50 watts.

But please consider that the Rohloff gear box for regular performance diagnostics and step testing should be used in gear 8 or 9 ([[Media:Ergo-Rohloff-01.jpg|s. picture]]).

The fly masses can easily be changed after taking off the left ergometer lid by loosening the brass-coloured counter-nut. Hand-tight fastening is enough.

The small fly mass weights 4.6 kg and the big fly mass weights 9.1 kg.

Mechanical Fundamentals

2015-03-11T13:55:55Z

Administrator: /* Gearbox and fly masses functions */

{{languages
|de=Mechanische Grundlagen
|en=Mechanical Fundamentals
|cn=Mechanical Fundamentals
}}

The mechanical adjustment of the SRM – Ergometer allows the rider to find his individual positioning.

<gallery>
File:SRM-Sattelstütze-(Bezeichnungen).jpg|Designations seatpost and rulers
File:Lenker-(Bezeichnungen).jpg|Designations handlebars and rulers
File:Verlängerbare_Kurbel_1.jpg|Prolongable Crank 1
File:Verlängerbare_Kurbel_2.jpg|Prolongable Crank 2
File:022-Montage-Schwungmassen.jpg|Change of the flyingwheels
File:021-Getriebe-Schwungmassen.jpg|Illustration with smaller flywheel and corresponding spacers
</gallery>

== Positioning of the athlete ==
[[File:SRM-Sattelstütze-(Bezeichnungen).jpg|thumb|Designations seatpost and rulers ]]
[[File:Lenker-(Bezeichnungen).jpg|thumb|Designations handlebars and rulers]]
[[File:Verlängerbare_Kurbel_1.jpg|thumb|Prolongable Crank 1]]
[[File:Verlängerbare_Kurbel_2.jpg|thumb|Prolongable Crank 2]]

Before every performance diagnostic you have to check the positioning of the athlete.

Optimizing individual positioning is quickly achieved by adjusting the saddle and handlebar vertically and/or horizontally. To do so you have to open the locking lever. Because of a ruler which is attached to the saddle post you can reproduce your perfect positioning.

If adjusted correctly, it should be easy to move the vertical and horizontal stems when the quick release is open. A 5 mm Allen key situated on the saddle and handlebar mounts allows for further rigidity.

* '''Horizontal Positioning of the saddle'''
: The ruler which is integrated in the seat stay gives you the distance between the center of the bottom bracket and the front of the saddle. The distance in cm can be read from the left hand side of the seat stay.

: Sobald die Position des Sattels auf der Sattelstütze verändert wird passen allerdings die Abstände mit den den eingeklebeten Linealen nicht mehr überein. Dann müssen die Abstände auf den Linealen manuell korrigiert werden oder evtl. neue Lineale eingeklebt werden.

* '''Vertical Positioning of the saddle'''
* '''Horizontal Positioning of the handlebars'''
* '''Vertical Positioning of the handlebars'''

* '''Prolongable Crank'''
: The prolongable crank has round markings every 2.5 mm and every 10 mm a line. If the steel element of the crank is completely retracted in the aluminium crank the minimal length of the crank arm is 150 mm. If the crank arm is completely pulled out, the maximal length is 190 mm. Before changing the crank arm length you have to open both Allen screws.

:After adjusting the right crank arm length, please tighten the Allen screws again with a maximal torque of 10 Nm so that they won’t come loose while you ride the Ergometer. Make also sure that the screws are situated with a distance of a 2.5 mm. This can be determined when the fixing spring (situated between the Allen screws) locks into the holes of the steel element of the crank. Please do never remove or adjust the fixing spring.

:From time to time it is necessary to grease the steel elements of the crank to protect them from sweat and to maintain the free movement.

 

==Gearbox and fly masses functions==
[[File:022-Montage-Schwungmassen.jpg|thumb|Change of the flywheels]]
[[File:021-Getriebe-Schwungmassen.jpg|thumb|Illustration with smaller flywheel and corresponding spacers]]

The gearbox meets two major functions:
# Simulation of the mass moment of the cyclist.
# Change of cadence in isokinetic tests without changing the cadence in the predetermined test file.

The mass moment of the athlete during cycling causes above all an approximately constant angular velocity of the pedaling circle, although the cyclist´s torque (power) is nearly zero when the cranks are in vertical position. If the Ergometer had no fly mass, the cadence would decrease to nearly zero with this crank position and a high power output. This would result in a very noncircular tread then.

In the following figures it is shown how to create a drive with both the fly masses and the gearbox which is approximately identical to the driver´s weight.

<gallery>
File:023-Kinetic-Energy-Cyclist.jpg|Kinetic energy of cyclist incl. bike
File:024-Kinetic-Energy-Flymasse.jpg|Kinetic energy SRM-Ergometer and flywheels
File:025-Transmission-Ratio-Ergometer.jpg|Transmission-Ratio of the SRM-Ergometer
</gallery>

The kinetic energy of the cyclist equals the rotational energy of the flywheels.

The kinetic energy of the cyclist is: E = v² x m/2

Please keep in mind that in a power-orientated test the change of regulation (hunting) increases linear to the fly mass-range in the single power steps. If one likes to have a change of regulation as little as it can be, it is best to ride in 3rd or 4th gear. It is also helpful to change to a smaller gear, when the no load-friction of the Ergometer in the 3rd or 4th gear is higher than the power at the beginning in an incremental stress test. In the 4th gear the no load-friction is about 80 watts with a cadence of 90, in the 1st gear it is about 50 watts. Therefore it is not possible to regulate less than 50 watts.

But please consider that the Rohloff gear box for regular performance diagnostics and step testing should be used in gear 8 or 9 (s. picture).

The fly masses can easily be changed after taking off the left ergometer lid by loosening the brass-coloured counter-nut. Hand-tight fastening is enough.

The small fly mass weights 4.6 kg and the big fly mass weights 9.1 kg.

SRM-Online represented practically

2015-03-11T13:25:49Z

Administrator: /* Hyperbolic performance testing (incremental stress test) */

File:PCIV-3-ports-plug03.jpg

2015-03-11T13:23:37Z

Administrator:

File:PCIV-2-ports-plug02.jpg

2015-03-11T13:23:12Z

Administrator:

File:PCIV-2-ports-plug01.jpg

2015-03-11T13:22:30Z

Administrator:

Electronic Fundamentals

2015-03-11T13:21:46Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins) ([[Media:PCIV-2-ports-plug01.jpg|s. picture]])
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins) ([[Media:PCIV-2-ports-plug02.jpg|s. picture]])
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins) ([[Media:PCIV-3-ports-plug03.jpg|s. picture]])
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T13:21:15Z

Administrator: /* The PowerControl IV */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins) ([[Media:PCIV-2-ports-plug01.jpg|s. picture]])
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins) (([[Media:PCIV-2-ports-plug02.jpg|s. picture]])
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins)([[Media:PCIV-3-ports-plug03.jpg|s. picture]])
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T12:30:04Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins)
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins)
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins)
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T12:29:50Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

::'''Plug 1''' (female, 4 pins)
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins)
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins)
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T12:29:23Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find the technical meanings of the plugs at the rear of the PowerControl. Please consider that the number of plugs can distinguish between the different model types. And please be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins)
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins)
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins)
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T12:23:56Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find some informations about the plugs at the rear of the PowerControl. Please consider that the PowerControls can be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

:'''Plug 1''' (female, 4 pins)
:* Power signal
:* Connection to the serial com interface
:
:'''Plug 2''' (male, 4 pins)
:* Eddy current brake instructions from PowerControl to the power supply
:* Charging
:* Speed
:
:'''Plug 3 (optional)''' (female, 5 pins)
:* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>

Electronic Fundamentals

2015-03-11T12:23:23Z

Administrator: /* Plugs */

{{languages
|de=Elektronische Grundlagen
|en=Electronic Fundamentals
|cn=Electronic Fundamentals
}}

The interaction between the electrical components of the SRM – High Performance Ergometer allows precise power control for performance diagnostic examination and scientific data acquisition.

<gallery>

File:SRM-Ergometer-02.jpg|The SRM - PowerMeter Science
File:02-Steigung-u.-Seriennummer.jpg|Reading slope and serial number
File:Lenker-(Bezeichnungen).jpg|The Power Control IV, abbreviated as PC on the handlebars in the photo
File:026-PowerContro-IV.jpg|he Power Control IV
File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|Rear Power Control IV with two connections
File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|Rear Power Control IV with three connections
File:SRM-PowerSupply-01.jpg|Power supply with a luminous green light
</gallery>

== The PowerMeter ==
[[File:SRM-Ergometer-02.jpg|thumb|The SRM - PowerMeter Science]]
[[File:02-Steigung-u.-Seriennummer.jpg|thumb|Reading slope and serial number]]

The PowerMeter is the central part of the ergometer. It is responsible for measuring the power output. The PM transmits a particular frequency (500 - 12.000 Hz) proportional to the actual torque and also a frequency proportional to the actual angular velocity via a transmitter to a receiver located on the frame. The signal is digital to eliminate transmission errors. Power supply of the PM is by a Lithium battery lasting 1800 hours.

Important: If there is no torque on the chain, the PM does not measure any frequency, which means the angular velocity is zero. Setting this zero offset correctly is important to receive the right measurement of power output.

In the factory we calibrate all SRM PowerMeters in order to determine the frequency change of PowerMeter when changing the torque on the cranks. This frequency is called slope. This slope, measured in Hz/Nm, has to be entered initially into the PowerControl. The slope only has to be reentered if a different PowerMeter is employed, which normally has also a different slope.

 

== The PowerControl IV==
[[File:Lenker-(Bezeichnungen).jpg|thumb|The Power Control IV, abbreviated as PC on the handlebars in the photo]]
[[File:026-PowerContro-IV.jpg|thumb|The Power Control IV]]
[[File:PCIV_Rückseite_mit_zwei_Anschlüssen.jpg|thumb|Rear Power Control IV with two connections]]
[[File:PCIV_Rückseite_mit_drei_Anschlüssen.jpg|thumb|Rear Power Control IV with three connections]]

The PowerControl of the SRM Ergometer is responsible for storing the measured data, controlling the eddy current brake and transmitting signals to the computer via a serial cable.

Power output is calculated in the PC in the following manner:

Average torque of a full crank rotation x average angular velocity of a full crank rotation = average power of a full crank rotation.

Average values are calculated on the time basis of one second. Thus the power value is always displayed with a one second delay. An example: The athlete pedals with 90 rotations per minute or 1.5 rotations per sec. The calculated performance is in this case the average value during 1.5 crank rotations. To conduct this calculation the next full crank rotation has to be completed in order to know which value of the previous time basis has to be employed. Basis of performance calculations are therefore always full rotations which are calculated on the time basis (1 sec).

A common time basis is necessary in order to synchronize all measured values of heart rate, cadence, power, and speed. Without calculation based on a common time basis and the relationship to the position of the crank, the measured value for power would fluctuate wildly..

Heart rate is captured with a Polar heart rate monitor not-coded-model.

Power supply of the PowerControl unit is ensured via an integrated accumulator, which is constantly charged when the power supply is switched on. To employ the PowerControl on the Ergometer one has to ensure that the zero offset and slope are correctly entered. All other values such as sampling frequency, wheel size, etc. are in this case not applicable.

Since the PowerControl saves all data, the user has a second set of data which he can use e.g. if the computer has crashed or has lost its data.

Please read out the data from the PowerControl regularly and [[Media:Clear_memory.jpg|clear the memory.]].

=== Plugs ===

In the following list you find some informations about the plugs at the rear of the PowerControl. Please consider that the PowerControls can be careful in handling the plugs, because the pins inside the plugs are very sensitiv.

#'''Plug 1''' (female, 4 pins)
* Power signal
* Connection to the serial com interface

'''Plug 2''' (male, 4 pins)
* Eddy current brake instructions from PowerControl to the power supply
* Charging
* Speed

'''Plug 3 (optional)''' (female, 5 pins)
* Torque Analysis

=== Keyboard shortcuts ===

In the following flowchart you find the different keybord shortcuts of the PC IV:

[[File:Flowchart-PCIV-02.jpg|1000px|Alternativer Text]]

== The Power Supply==
[[File:SRM-PowerSupply-01.jpg|thumb|Power supply with a luminous green light]]

The power supply has been especially designed to suit the SRM Performance Ergometer. The power supply changes the magnetic field in the eddy current brake very rapidly to ensure a constant rotational speed in isokinetic mode. In the isokinetic mode it is necessary to reduce the braking power to near zero when the cranks are in vertical position. In horizontal position the braking power has to be up to 4000 watts. This is necessary to maintain the predetermined rotational pedaling speed. This means that at a cadence of 120 rotations per minute the magnetic field in the brake has to be established and abolished four times per second.

The power supply operates with 220 Volts, and incorporates fuses of 1.3 A. The power point which is used for the power supply has to be well earthed (grounded) in order to avoid that the athletes become electrostatically charged. WARNING: Operation of the ergometer through an unsatisfactorily earthed power point can damage the health of the athlete and the physiologist and can also lead to wrong ECG readings.

The operating mode of the power supply is indicated by a green LED display. The yellow LED display indicates the operation of the brake. The yellow LED has to flash during isokinetic mode.

Place the power supply in dry, well aired condition. Avoid switching the power supply on and off in quick succession. Never clean the power supply with water or other fluids, the electronics will be damaged.

The current transmitted by the power supply is +/- 24 Volt. The power supply charges the PowerControl unit. If the PowerControl is not charged over a period of about 3 months, it may lose the programmed operating parameters. In this case the user has to charge up the PC via the dedicated charger and enter all operating parameters again with the software SRMWIN.

The power supply does usually not need any maintenance. Wipe with a dry cloth and be sure that no moisture gets into it.

==Light Barrier==

The light barrier measures the speed of the fly masses on the so called interrupter disc. She is a necessity for the power measurement. If speed is not measured correctly, the power measurement is not correct either. The displayed speed values in the SRMWin-Software - e.g. during a performance test – do not correspond to real speed values.

The following images show you, where to find the light barrier in the gearbox. For the purpose of cleaning the light barrier and also for changing its position, you have to take off the fly masses..

<gallery>
File:Isokinetischer_Test_2.jpg|Speed display during a test (in this case 31.3 km/h)
File:00-Lichtschranke-ort.jpg|Removing the flywheels
File:01-Lichtschranke-ort.jpg|Position of the light barrier
File:02-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (open)
File:03-Lichtschranke-ort.jpg|Position of the light barrier at the interrupter disc (closed)
</gallery>