In this study, the problems of stabilisation for interval type-2 polynomial fuzzy systems with time-varying delay and parameter uncertainties are investigated. The objective is to design a state-feedback interval type-2 polynomial fuzzy controller such that the closed-loop control system is asymptotically stable. The conditions for the existence of such a controller are delay dependent and membership function dependent in terms of sum-of-squares (SOS). Based on a basic lemma to deal with the delay terms, the authors formulate and solve the problem with more flexibility due to imperfect premise matching that the number of rules and premise membership functions are not necessary the same between the interval type-2 polynomial fuzzy model and interval type-2 polynomial fuzzy controller. Piecewise linear membership functions approximations enclosing the original lower and upper membership functions are employed to facilitate the stability analysis. A numerical example indicates the effectiveness of the derived results.
Control design for interval type-2 polynomial fuzzy-model-based systems with time-varying delay
2017-09-22
Li , Y , Lam , H K & Zhang , L 2017 , ' Control design for interval type-2 polynomial fuzzy-model-based systems with time-varying delay ' Iet Control Theory And Applications , vol 11 , no. 14 , pp. 2270-2278 . DOI:10.1049/iet-cta.2016.1409
Article (Journal)
Electronic Resource
English
/dk/atira/pure/subjectarea/asjc/2200/2207 , Control and Systems Engineering , /dk/atira/pure/subjectarea/asjc/1700/1709 , Human-Computer Interaction , /dk/atira/pure/subjectarea/asjc/1700/1706 , Computer Science Applications , /dk/atira/pure/subjectarea/asjc/2600/2606 , Control and Optimization , /dk/atira/pure/subjectarea/asjc/2200/2208 , Electrical and Electronic Engineering
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