Stability analysis of fuzzy control systems subject to uncertain grades of membership

This paper presents relaxed stability conditions for fuzzy control systems subject to parameter uncertainties. As the parameter uncertainties introduce uncertain grades of membership to the fuzzy control systems, the favorable property offered by sharing the same premises in the fuzzy plant models a...

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Published inIEEE transactions on systems, man and cybernetics. Part B, Cybernetics Vol. 35; no. 6; pp. 1322 - 1325
Main Authors Lam, H.K., Leung, F.H.F.
Format Journal Article
LanguageEnglish
Published United States IEEE 01.12.2005
Subjects
Algorithms
Computer Simulation
Control system analysis
Control system synthesis
Control systems
Cybernetics
Feedback
Fuzzy
Fuzzy control
Fuzzy Logic
Fuzzy set theory
Fuzzy systems
Mathematical models
Models, Statistical
Nonlinear control systems
Nonlinear systems
parameter uncertainty
Robust stability
Stability
Stability analysis
Uncertain systems
Uncertainty
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Summary:This paper presents relaxed stability conditions for fuzzy control systems subject to parameter uncertainties. As the parameter uncertainties introduce uncertain grades of membership to the fuzzy control systems, the favorable property offered by sharing the same premises in the fuzzy plant models and fuzzy controllers cannot be employed to enhance the stabilization ability of the fuzzy control systems. To widen the applicability of the fuzzy control approach, fuzzy control systems subject to uncertain grades of membership will be investigated. New relaxed stability conditions will be derived to guarantee the stability of this class of fuzzy control systems. A numerical example will be given to show the effectiveness of the proposed approach.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ObjectType-Correspondence-1
ISSN:1083-4419
DOI:10.1109/TSMCB.2005.850181