The dynamic calibration of cycle ergometers
Deutscher übersetzter Titel: | Dynamische Kalibrierung von Fahrradergometern |
---|---|
Autor: | Woods, G.F.; Day, L.; Withers, R.T.; Ilsley, A.H.; Maxwell, B.F. |
Erschienen in: | International journal of sports medicine |
Veröffentlicht: | 15 (1994), 4, S. 168-171, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource Elektronische Ressource (online) |
Sprache: | Englisch |
ISSN: | 0172-4622, 1439-3964 |
DOI: | 10.1055/s-2007-1021041 |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199406072396 |
Quelle: | BISp |
Abstract des Autors
The components of our rig, which is used for the dynamic calibration of cycle ergometers, were purchased for $ 4,080 (USA); interfacing the instrument with a computer and printer increased the cost by an additional $ 2.550 (USA). The rig is essentially a torque balance and was therefore validated against the primary measurements of: angular velocity (rev/min), distance (m) and mass (kg). Summing the inaccuracies associated with these 3 measurements yields a worst case error of only 0.3%. The coefficients of variation for a dynamic calibration rig and mechanically braked Monark cycle ergometer assembly ranged from 0.6 to 3.2% for 6 trials at each of the following power outputs: 117.7, 176.6, 235.4, 294.3 and 353.2 W. The instrument therefore has a high degree of precision. Verf.-Referat