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Vehicle Inertial Parameters-Measured Values and Approximations
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English
Abstract
This paper describes an apparatus, called the Inertial Parameter Measurement Device (IPMD), which recently has been developed by the National Highway Traffic Safety Administration at its Vehicle Research and Test Center. The IPMD measures the center of gravity height and the pitch, roll, and yaw moments of inertia of a vehicle.
The first section of this paper describes the features, capabilities, limitations, and design of the IFMD. This is followed by a presentation of the vehicle parameters that have been measured by it, to date.
The final section of the paper presents several commonly used, and one proposed, rules of thumb for estimating inertial parameters. Data from measurements made by the IPMD are used to show the validity of these rules. Curves obtained by fitting the measured data are also shown for the moments of inertia as functions of the vehicle weight.
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Authors
Citation
Garrott, W., Monk, M., and Chrstos, J., "Vehicle Inertial Parameters-Measured Values and Approximations," SAE Technical Paper 881767, 1988, https://doi.org/10.4271/881767.Also In
References
- Rasmussen, R.E. Hill, F.W. Riede, P.M. “Typical Vehicle Parameters for Dynamics Studies,” GM Publication A-2541 April 1970
- Riede, P.M. Leffert, R.L. Cobb, W.A. “Typical Vehicle Parameters for Dynamics Studies Revised for the 1980's,” SAE 840561 February 1984
- Love, M.L. “Final Report on Task 6 of Contract dot-fh-11-9158,” Texas A&M Research Foundation Report 1985
- Winkler, C.B. “Measurement of Inertial Properties and Suspension Parameters of Heavy Highway Vehicles,” SAE Paper No. 730182 January 1973
- Jindra, F. “Mathematical Model of Four-Wheeled Vehicle for Hybrid Computer Vehicle Handling Program,” DOT HS 801 800 January 197?