FFTA(Fuzzy Fault Tree Analysis)에 의한 불확실한 고장정보 연구


Development of uncertainly failure information for FFTA

정영득, 박주식, 김건호, 강경식

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Today, facilities are composed of many complex components or parts. Because of this characteristics, the frequency of failures is decreasing, but the strength of failures is increasing; therefore, the failure analysis about many complex components or parts was needed. In the former research about Fault Tree Analysis, failure data of similar facilities have been used for forecasting about target system or components, but in case that the system or components for forecasting failure is new or qualitative and quantitative data are given simultaneously, there are many difficulty in using Fault Tree Analysis with this incorrect failure data. Therefore, this paper deal with the Fault Tree Analysis method which be applied with Fuzzy theory in above case. In case that , therefore, if there is no the correct failure data, it is represented a system or components as qualitative variable. subsequently, it converted to the quantitative value using fuzzy theory, and the values used as the value for failure forecast.


 1. 서론
 2. 본론
  2.1 퍼지집합
  2.2 퍼지 언어 변수
  2.3 불확실한 고장 정보에 대한 Fuzzy FTA 실시 과정
 3. 불확실한 고장 정보에 대한 Fuzzy FTA 모델 및 적용사례
 4. 적용사례
 5. 결론
 6. 참고문헌


  • 정영득 Jeong, yeong-deug. 전주공업대학 산업경영과
  • 박주식 Park, Joo-Sic. 명지대학교 산업공학과 박사과정
  • 김건호 Kim, Gun-Ho. 안산공과대학 경영학과
  • 강경식 Gyung-sic, kang. 명지대학교 산업공학과 교수


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