Robustness of adaptive controller based on pole-zero placement
作者:
C. Y. CHAN,
H. R. SIRISENA,
期刊:
International Journal of Systems Science
(Taylor Available online 1989)
卷期:
Volume 20,
issue 4
页码: 619-628
ISSN:0020-7721
年代: 1989
DOI:10.1080/00207728908910155
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The robustness of a pole-zero placement adaptive control algorithm in the presence of unmodelled dynamics and bounded external disturbances is studied. The algorithm is designed based on the reduced-order plant, which is assumed to be stable, but it does not necessarily have minimum phase. The overall plant is assumed to be stable, but it may have non-minimum phase. By using a normalizing signal and a projection in the adaptive law, a condition for stability is derived. The extra a priori information required is that bounds on the unknown plant parameters are known.
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