한국지능시스템학회논문지 (Journal of the Korean Institute of Intelligent Systems)

  • 제8권5호
  • /
  • Pages.51-60
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  • 1998
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  • 1976-9172(pISSN)
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  • 2288-2324(eISSN)
한국지능시스템학회 (Korean Institute of Intelligent Systems)
권호 표지

안정도를 보장하는 Takagi-Sugeno 퍼지 제어기의 설계 - 선형행렬부등식을 이용한 풀이 -

Design of Stabilizing Takagi-Sugeno Fuzzy Controllers - An LIM Approach

  • 김진성 (고려대학원 응용전자공학과) ;
  • 박주영 (고려대학교 제어계측공학과) ;
  • 박대희 (고려대학교 전산학과)
  • 발행 : 1998.10.01
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⟨ 이전 논문 다음 논문 ⟩

초록

퍼지 시스템의 안정도와 퍼지 제어기의 설계 방법론에 관한 연구는 최근 들어 많은 주목을 받아왔다. 본 논문은 TS(Takagi-Sugeno) 퍼지 모델로 표현된 비선형 시스템에 대한 제어기 설계분제가 선형행렬부등식(LMI, linear matrix inequality)을 포함하는 convex 문제로 간략화됨을 보인다. 입력행렬의 구조에 따라서 TS 퍼지 시스템을 세 가지로 분류하고, 각각에 대해 선형행렬부등식을 이용한 제어기 설계 방법을 제시한다. 또한 안정도 이외의 성능용건을 고려한 제어기를 설계한다. 제안된 설계 방법론을 설명하기 위해 예제를 다룬다.

There have been several recent studies concerning the stability of fuzzy control system and the synthesis of stabilizing fuzzy controllers. This paper reports on a related study nf the TS (Takagi-Sugeno) fuzzy systems, and it is shown that the controller synthesis problems for the nonlinear systems described by the TS fuzzy model can be reduced to convex problems involving LMIs (linear matrix ineclualities). After classifying the TS fuzzy systems into three families based on how diverse their input matrices are, different controller synthesis procedure is given for each of these families. A numerical example is presented to illustrate the synthesis procedures developed in this paper.

키워드

참고문헌

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