Control of an Active Suspension System Subject to Random Component Failures

[+] Author and Article Information
C. D. de Benito

General Motors Research Laboratories, Warren, MI 48090

S. J. Eckert

The Analytic Sciences Corporation Troy, MI 48084

J. Dyn. Sys., Meas., Control 112(1), 94-99 (Mar 01, 1990) (6 pages) doi:10.1115/1.2894145 History: Received May 08, 1988; Revised December 28, 1988; Online March 17, 2008


Two fault-tolerant control algorithms based on certainty-equivalence and dual control approximations, are described in this paper. These algorithms maintain the system performance in the presence of component failures. Their performance is demonstrated by simulations of an active suspension system subjected to sensor and actuator failures. Both algorithms provide viable solutions to the problem of faulttolerant control in automotive systems. However, the certainty-equivalence control algorithm is simpler to implement.

Copyright © 1990 by The American Society of Mechanical Engineers
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