Some Further Contributions to the Dynamic Sensitivity of the Parameter Perturbation Process

[+] Author and Article Information
M. M. Gupta, P. N. Nikiforuk

Division of Control Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada

J. Dyn. Sys., Meas., Control 93(3), 173-179 (Sep 01, 1971) (7 pages) doi:10.1115/1.3426493 History: Received August 03, 1970; Online July 13, 2010


In a previous paper [1], the concept of the dynamic sensitivity of a system state and its performance was introduced for a continuous linear system with small arbitrary perturbations in the system parameters. In this paper this concept is extended to a class of nonlinear and linear systems. It is shown that plant and controller parameters uncertainties (internal disturbances) may be regarded as a state-dependent noise at the input of the plant. The analysis is then applied to a continuous linear situation. As an example, a satellite attitude control with randomly varying tracking signals is considered; and the dynamic sensitivity behavior of the parameter-uncertainty-transmission path, from the controller parameters to the process performance index, is studied.

Copyright © 1971 by ASME
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