Generalised minimum-variance stochastic self-tuning controller with pole restriction
作者:
C.C.Hang,
K.W.Lim,
W.K.Ho,
期刊:
IEE Proceedings D (Control Theory and Applications)
(IET Available online 1991)
卷期:
Volume 138,
issue 1
页码: 25-32
年代: 1991
DOI:10.1049/ip-d.1991.0004
出版商: IEE
数据来源: IET
摘要:
An algorithm to incorporate pole restriction into the generalised minimum-variance stochastic self-tuning controller is proposed. The closed-loop poles of the system are restricted to a user-chosen circle in thez-plane to meet maximum percentage overshoot and settling time specifications. A deadband introduced to the basic pole restriction algorithm leads to a piecewise time-invariant controller. The deadband algorithm reduces computational requirements and enhances the stability robustness of the system. Finally, simulation results indicate that in the control of a plant that changes bandwidth significantly during operation, the pole restriction controller is superior to its pole placement counterpart.
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