Nonlinear control of nonminimum-phase systems
作者:
F.M.Boland,
J.Giblin,
期刊:
IEE Proceedings D (Control Theory and Applications)
(IET Available online 1982)
卷期:
Volume 129,
issue 4
页码: 118-122
年代: 1982
DOI:10.1049/ip-d.1982.0024
出版商: IEE
数据来源: IET
摘要:
In the paper, the regulation of nonminimum systems using a nonlinear minimum-variance control strategy is considered. The relationship between output variance and control limit of a saturating actuator is investigated. Both ultimatum simulation studies and an approximate analysis based on the statistical linearisation of the nonlinearity are presented. The results of these studies demonstrate that a minimum exists on this relationship. The connection between the use of a nonlinear controller and a suboptimal linear control law is discussed.
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