Multivariable Disturbance Rejection Tracking Controllers for Systems With Slow and Fast Modes

[+] Author and Article Information
Suhada Jayasuriya

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843

J. Dyn. Sys., Meas., Control 109(4), 363-369 (Dec 01, 1987) (7 pages) doi:10.1115/1.3143868 History: Received September 01, 1986; Online July 21, 2009


In this paper we consider the design of controllers for a class of singularly perturbed multi-input-multi-output linear time-invariant systems where the objective is asymptotic tracking in the presence of persisting disturbances. The controller structure consists of a precompensator and a stabilizing compensator used in conjunction with a full order observer. Singular perturbation methods are used to obtain various components of the control system so that numerical ill conditioning is avoided. The design procedure is illustrated by synthesizing a controller for a second order singularly perturbed plant.

Copyright © 1987 by ASME
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