Decentralized Adaptive Robust Control Design: The Uncertainty is Time Varying

[+] Author and Article Information
Y. H. Chen

The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332

J. Dyn. Sys., Meas., Control 113(3), 515-518 (Sep 01, 1991) (4 pages) doi:10.1115/1.2896441 History: Received October 11, 1989; Revised October 01, 1990; Online March 17, 2008


We consider a class of nonlinear uncertain interconnected systems with time-varying uncertainty. The uncertainty may arise within each system as well as in the interconnections. The uncertainty is assumed bounded but the bound is unknown. No a priori statistical information is imposed. Decentralized adaptive robust control is proposed for each system. The control has two parts. First, an adaptive scheme for the estimation of the bound is constructed. Second, a robust control, which is based on the adaptive parameter, is adopted for each system.

Copyright © 1991 by The American Society of Mechanical Engineers
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