Utilization of Control Effort Constraints in Linear Controller Design

[+] Author and Article Information
A. Galip Ulsoy

Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI 48109-2125

J. Dyn. Sys., Meas., Control 111(3), 378-381 (Sep 01, 1989) (4 pages) doi:10.1115/1.3153064 History: Received August 08, 1985; Revised April 06, 1989; Online July 21, 2009


A linear controller design procedure, which accounts for constraints on control effort, is developed by requiring that the control system utilize the maximum energy delivering capability of the final control elements under some specified test conditions (e.g., maximum step reference input). Results using this approach are available from previous studies for low-order single-input single-output controlled systems. This paper presents results for multi-input multi-output systems where the number of inputs is equal to the number of states. Both state variable feedback control for regulation, and integral plus state variable feedback control for tracking are considered and illustrated with an example problem.

Copyright © 1989 by ASME
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