Transient Response in a Dynamometer Power Absorption System

In order to obtain meaningful analyses of exhaust gas emissions and fuel economy for a heavy duty vehicle from a chassis dynamometer, the accurate simulation of road load characteristics is crucial. The adjusted amount of power to be absorbed by the chassis dynamometer during road driving of the tes...

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Bibliographic Details
Published in:	SAE transactions Vol. 101; no. 2; pp. 42 - 50
Main Authors:	Wang, Wenguang G., Bata, Reda M., Lyons, Donald W., Clark, Nigel N., Palmer, G. Michael, Gautam, Mridul, Howell, Alvin D., Rapp, Byron L.
Format:	Journal Article
Language:	English
Published:	New York, NY SOCIETY OF AUTOMOTIVE ENGINEERS, INC 01-01-1992 Society of Automotive Engineers
Subjects:	Air pollution caused by fuel industries Applied sciences Energy Energy. Thermal use of fuels Exact sciences and technology Ground, air and sea transportation, marine construction Metering. Control Road transportation and traffic Test bench Chassis Transient response Mobile installation Lorry Exhaust gas Motor fuel consumption Pollutant emission Dynamometer Heavy truck
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Summary:	In order to obtain meaningful analyses of exhaust gas emissions and fuel economy for a heavy duty vehicle from a chassis dynamometer, the accurate simulation of road load characteristics is crucial. The adjusted amount of power to be absorbed by the chassis dynamometer during road driving of the tested vehicle needs to be calculated. In this paper, the performance of the chassis dynamometer under transient load cycle operations is discussed and the transient response of the power absorption system is presented. In addition, the design criteria of the chassis dynamometer used to test heavy duty vehicles under steady and transient load is described.
ISSN:	0096-736X 2577-1531