RESEARCH PAPERS: Design Automation Papers

Dynamics of High Mobility Track Vehicles

[+] Author and Article Information
M. K. McCullough, E. J. Haug

Department of Mechanical Engineering and Center for Computer Aided Design, College of Engineering, The University of Iowa, Iowa City, IA 52242

J. Mech., Trans., and Automation 108(2), 189-196 (Jun 01, 1986) (8 pages) doi:10.1115/1.3260801 History: Received June 17, 1985; Online November 19, 2009


A mechanical system superelement that represents spatial dynamics of high mobility track vehicle suspension systems is derived. Using results from a companion paper [1], the equations of motion for a suspension system with an arbitrary number of road wheels are systematically derived. Track is represented as a complex internal force element that acts between ground, wheels, and the chassis of the vehicle. Track tension is computed from a relaxed catenary relationship and track bridging effects are modeled. Numerical results for driver acceleration and absorbed power, as well as track tension are presented. A factor of 90 decrease in compute time is achieved over a comparable multibody model of the same vehicle.

Copyright © 1986 by ASME
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