Performance testing was done on a 1219 m (48 in) roll diameter chassis dynamometer to validate its compliance with EPA specifications. The testing procedure and results are presented. Tests include time, speed, acceleration and torque calibration verification, load control response time, parasitic loss compensation and stability, base mechanical inertia verification, road load curve simulation and repeatability, automatic road coastdown coefficient matching, and overall simulation accuracy during severe acceleration and emission test cycles. These testing methods provide an objective and comprehensive evaluation of chassis roll dynamometer performance.
Performance tests of a large-roll chassis dynamometer with AC flux-vector PEU and friction-compensated bearings
Leistungsuntersuchungen eines Dynamometers mit großen Rollen, zur Prüfung von Fahrgestellen, ausgestattet mit einem Wechselstrom-Vectorenfluß-Leistungstauscher und reibungskompensierten Rollenlagern
SAE Technical Papers ; 1-16
1993
16 Seiten, 22 Bilder, 10 Quellen
Conference paper
English
Large-roll chassis dynamometer with AC flux-vector PEU and friction-compensated bearings
Automotive engineering | 1993
|Large-Roll Chassis Dynamometer with AC Flux-Vector PEU and Friction-Compensated Bearings
SAE Technical Papers | 1993
|Large-roll chassis dynamometer with AC flux-vector PEU and friction-compensated bearings
Tema Archive | 1993
|SAE Technical Papers | 1993
|Automotive engineering | 1993
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