GH∞self-tuning control for multivariable systems
作者:
M. J. GRIMBLE,
期刊:
International Journal of Control
(Taylor Available online 1994)
卷期:
Volume 60,
issue 3
页码: 347-367
ISSN:0020-7179
年代: 1994
DOI:10.1080/00207179408921469
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
AH∞self-tuning controller which is based on the generalizedH∞cost-function is described that includes robust design features. TheGH∞control law is simple to compute and is suitable for multivariable self-tuning control applications. The simplifications achieved in the controller structure which are necessary for use in self-tuning, depend upon the assumptions made on system and cost-weighting models. The cost-function weights are assumed to ensure a system matrix can be factorized into a particular form. The control law is coupled to an extended least squares identification algorithm. TheGH∞control law may be designed to be insensitive to unmodelled dynamics and the self-tuning action provides adaption to parametric uncertainty.
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