Tracking Controller for Linear Systems With Time Delays in Both State and Control Variables

[+] Author and Article Information
Dong H. Chyung

Department of Electrical Engineering, University of Iowa, Iowa City, Iowa 52242

J. Dyn. Sys., Meas., Control 115(1), 179-183 (Mar 01, 1993) (5 pages) doi:10.1115/1.2897394 History: Received May 10, 1990; Online March 17, 2008


Linear time invariant control systems with time delays in both state and control variables are studied. The problem is to design a controller so that the system response will follow a given reference input with zero steady-state error. The reference input is assumed to be a polynomial function of time. The controller is based on feeding forward the reference input and its delayed values. A method is derived for determining the feed-forward gain matrices. Necessary and sufficient condition for the existence of proposed tracking controller is also obtained. An example is given to illustrate the proposed method.

Copyright © 1993 by The American Society of Mechanical Engineers
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