Nonlinear Observers—A State-of-the-Art Survey

[+] Author and Article Information
E. A. Misawa

Department of Mechanical Engineering, Escola Politécnica da U.S.P.

J. K. Hedrick

Department of Mechanical Engineering, University of California, Berkeley, Calif. 94720

J. Dyn. Sys., Meas., Control 111(3), 344-352 (Sep 01, 1989) (9 pages) doi:10.1115/1.3153059 History: Received April 20, 1988; Revised January 26, 1989; Online July 21, 2009


The state-of-the-art of nonlinear state estimators or “observers” is reviewed. The use of these observers in real time nonlinear compensators is evaluated in terms of their on-line computational requirements. Their robustness properties are evaluated in terms of the extent to which the design requires a “perfect” model.

Copyright © 1989 by ASME
Topics: Design , Robustness
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