A Pole-Assignment Controller for an Electrohydraulic Cylinder Drive

[+] Author and Article Information
J. M. Finney

Babcock Bristol Ltd., Croydon, CR9 4ME, England

A. de Pennington, M. S. Bloor

Department of Mechanical Engineering, University of Leeds, Leeds, LS2 9JT, England

G. S. Gill

Dowty Electronics Ltd., Watford, WD2 4LA

J. Dyn. Sys., Meas., Control 107(2), 145-150 (Jun 01, 1985) (6 pages) doi:10.1115/1.3149686 History: Received April 08, 1985; Online July 21, 2009


This paper is concerned with the practical application of self-tuning control to an electrohydraulic cylinder drive. The experimental drive studied had a dominant natural frequency of 19 Hz and consequently to achieve the fast sampling rate a novel method of controller implementation is required. Estimates of the model parameters are obtained by a square root filter and controller synthesis is achieved by a pole-assignment algorithm. The results presented were generated by an experimental rig under the control of a DEC LSI 11/23 microprocessor.

Copyright © 1985 by ASME
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