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RESEARCH PAPERS: Papers on Transportation

Nonlinear Analysis of Rail Vehicle Forced Lateral Response and Stability

[+] Author and Article Information
J. Karl Hedrick, A. V. Arslan

Department of Mechanical Engineering, M.I.T., Cambridge, Mass. 02139

J. Dyn. Sys., Meas., Control 101(3), 230-237 (Sep 01, 1979) (8 pages) doi:10.1115/1.3426430 History: Received July 10, 1979; Online July 13, 2010

Abstract

The method of statistical linearization is presented as a design tool for rail vehicles that is capable of including fundamental nonlinearities such as wheel profile geometry and suspension nonlinearities. The method is capable of predicting the response of the vehicle to statistical track irregularities as well as the onset of hunting. The fundamentals of the method, an efficient frequency domain numerical algorithm for stationary response, and a design example are presented. The design example illustrates the influence of wheel profile, gage, track roughness, and suspension variations on vehicle response and stability.

Copyright © 1979 by ASME
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