Application of Sensitivity Analysis to Car-Trailer Stability

[+] Author and Article Information
E. C. Mikulcik

Department of Mechanical Engineering, The University of Calgary, Calgary, Alberta, Canada

J. Dyn. Sys., Meas., Control 101(3), 272-274 (Sep 01, 1979) (3 pages) doi:10.1115/1.3426436 History: Received June 18, 1979; Online July 13, 2010


Sensitivity coefficients relating to the oscillatory stability of the equations for simplified automobile-trailer combinations are defined and calculated. These coefficients show that variations in the automobile’s parameters have very little influence on a stable combination, but their influence on a combination which is on the verge of instability is just as important as the parameters of the trailer. The sensitivity coefficients give a quantitative indication of the importance of parameter changes made in attempting to improve the characteristics of a vehicle.

Copyright © 1979 by ASME
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