Robust optimization of feedback systems with time-varying non-linear uncertainties
作者:
CHIH-MIN LIN,
WEN-DER CHOU,
期刊:
International Journal of Systems Science
(Taylor Available online 1989)
卷期:
Volume 20,
issue 6
页码: 1011-1018
ISSN:0020-7721
年代: 1989
DOI:10.1080/00207728908910188
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
A design criterion is developed to achieve the robust stabilization of a feedback system with time-varying non-linear uncertainties. Moreover, an effective design algorithm is derived to achieve the robust optimization of a feedback system subjected to time-varying non-linear uncertainties. The theory of minimumH∞-norm and the optimal interpolation technique are employed to solve this robust optimization problem. Since the requirements of internal stability are satisfied, this design algorithm performs appropriately, even if the plant is unstable and/or is non-minimum phase. From the result of the robust optimization, we can predict the maximum sector bound of non-linear uncertainties that can be tolerated in the feedback system.
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