Identifiability of Nonlinear Systems With Hysteretic Elements

[+] Author and Article Information
A. M. Andronikou

Space Operations and Satellite Systems Division, Rockwell International, Downey, Calif.

G. A. Bekey, F. Y. Hadaegh

Electrical Engineering Department, University of Southern California, Los Angeles, Calif. 90089

J. Dyn. Sys., Meas., Control 105(4), 209-214 (Dec 01, 1983) (6 pages) doi:10.1115/1.3140660 History: Received October 11, 1982; Online July 21, 2009


This paper is concerned with the conditions under which deterministic systems containing a hysteresis-type nonlinearity are identifiable from input-output measurements. The approach to the problem requires that identifiability conditions for appropriately defined nearly-equivalent systems be obtained initially. Then conditions under which identifiability of the nearly-equivalent nonlinear (but non-hysteretic) system imply the identifiability of the original hysteretic system are obtained. Sufficient conditions for identifiability of these systems are presented.

Copyright © 1983 by ASME
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