Authors
Ming-Tzu Ho, Aniruddha Datta, SP Bhattacharyya
Publication date
1997/6/6
Conference
Proceedings of the 1997 American Control Conference (Cat. No. 97CH36041)
Volume
6
Pages
3922-3928
Publisher
IEEE
Description
The YJBK parametrization characterizes all stabilizing controllers. In industry, most controllers are PID and there is no solution to the problem: can a plant P(s) be stabilized by a PID controller? In this paper, we provide an answer to this question. Besides settling the question of existence, we provide a computationally constructive characterization of all stabilizing PID controllers that stabilize a given plant. Thus this result is essentially an extension of the YJBK characterization restricted to PIDs and opens up the possibility of optimal design using PIDs.
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MT Ho, A Datta, SP Bhattacharyya - Proceedings of the 1997 American Control Conference …, 1997