RESEARCH PAPERS: Design Automation Papers

Modeling of a Mid-Size Passenger Car Using a Multibody Dynamics Program

[+] Author and Article Information
J. D. Trom, M. J. Vanderploeg

Iowa State University

J. L. Lopez

Delco Products Division, General Motors Corporation

J. Mech., Trans., and Automation 109(4), 518-523 (Dec 01, 1987) (6 pages) doi:10.1115/1.3258830 History: Received March 09, 1987; Online November 19, 2009


This paper presents a multibody model of a passenger car and correlates the model with experimental data. Included in the model is a simple load-leveling control algorithm for controlling low frequency roll and pitch. The objectives of this paper are: to evaluate the effectiveness of vehicle modeling using a multibody dynamics program; to demonstrate multibody modeling techniques for complex suspension systems without the use of bushing models; and to demonstrate the feasibility of implementing control algorithms in multibody dynamics programs. The paper concludes that using multibody dynamics programs can be an effective method to model ride, handling, and braking of wheeled vehicles. The model presented in this paper shows good correlation in both the linear and nonlinear ranges for most maneuvers.

Copyright © 1987 by ASME
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