A New Approach for Designing Robust Controllers for the Servomechanism Problem

[+] Author and Article Information
Salem A. K. Al-Assadi

Electrical and Computer Engineering Department, Concordia University, 1455, de Maisonneuve Blvd. W., Montreal, Quebec H3G-1M8, Canada

J. Dyn. Sys., Meas., Control 119(2), 293-298 (Jun 01, 1997) (6 pages) doi:10.1115/1.2801249 History: Received March 06, 1995; Revised November 01, 1996; Online December 03, 2007


In this paper, we provide an alternative method for solving the more general servomechanism problem. The new approach based on designing a simple structure of a dynamic output feedback controller to achieve asymptotic tracking, disturbance rejection and pole assignment in linear time-invariant multivariable control systems. In addition, the resulting dynamic compensator is robust in the sense that asymptotic regulation take place for some or all disturbances and reference signals independent of any nondestabilizing perturbations in the system parameters. The main results of this paper are illustrated by an example.

Copyright © 1997 by The American Society of Mechanical Engineers
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