Further results on robust fuzzy dynamic systems with LMI D-stability constraints

• Autorzy: Assawinchaichote W.

Identyfikatory

DOI

10.2478/amcs-2014-0058

• Języki publikacji: EN

Abstrakty

EN

This paper examines the problem of designing a robust H∞ fuzzy controller with D-stability constraints for a class of nonlinear dynamic systems which is described by a Takagi–Sugeno (TS) fuzzy model. Fuzzy modelling is a multi-model approach in which simple sub-models are combined to determine the global behavior of the system. Based on a linear matrix inequality (LMI) approach, we develop a robust H∞ fuzzy controller that guarantees (i) the L₂-gain of the mapping from the exogenous input noise to the regulated output to be less than some prescribed value, and (ii) the closed-loop poles of each local system to be within a specified stability region. Sufficient conditions for the controller are given in terms of LMIs. Finally, to show the effectiveness of the designed approach, an example is provided to illustrate the use of the proposed methodology.

Słowa kluczowe

EN

fuzzy controller; robust control; LMI approach; D-stability; Takagi-Sugeno fuzzy model

PL

regulator rozmyty; sterowanie odporne; stabilność; model Takagi-Sugeno

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2014
• Tom: Vol. 24, no. 4
• Strony: 785--794
• Opis fizyczny: Bibliogr. 41 poz., rys., tab., wykr.

Twórcy

autor

Assawinchaichote W.

• Department of Electronic and Telecommunication Engineering, King Mongkut’s University of Technology Thonburi, 126 Prachautits Rd., Bangkok 10140, Thailand

Bibliografia

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