한국지능시스템학회논문지 (Journal of the Korean Institute of Intelligent Systems)

  • 제14권2호
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  • Pages.178-183
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  • 2004
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  • 1976-9172(pISSN)
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  • 2288-2324(eISSN)
한국지능시스템학회 (Korean Institute of Intelligent Systems)
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조건부에 시스템 입력만을 사용하는 계층 퍼지 시스템

Hierarchical Fuzzy System with only system variables for IF-part

  • 주문갑 (부경대학교 전자컴퓨터정보통신공학부)
  • 발행 : 2004.04.01
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초록

본 논문에서는 기존의 계층 퍼지 시스템에서 입력 변수로 사용되던 이전 계층의 출력값을 퍼지 규칙의 전건부에서는 사용하지 않고 후건부에서만 사용하는 계층 퍼지 시스템을 제안하였다. 또한 제안된 계층 퍼지 시스템을 구성할 때에 싱글톤 퍼지화기와 평균 중심법 비퍼지화기를 사용하는 경우에는 시스템 입력 변수의 멤버쉽 함수가 주어진 컴팩트 도메인 내에서 완전하기만 하다면, 임의의 연속 함수에 대하여 그에 해당하는 제안된 형태의 계층 퍼지 시스템이 존재한다는 것을 수학적으로 증명하였다.

This paper presents a class of hierarchical fuzzy systems where previous layer outputs are used not in IF-parts, but only in THEN -parts of the fuzzy rules of the current layer. The existence of the proposed hierarchical fuzzy system which approximates a given real continuous function on a compact set is proven if complete fuzzy sets are used in the IF-parts of the fuzzy rules with singleton fuzzifier and center average defuzzifier.

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참고문헌

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