Journal of Korean Society of Industrial and Systems Engineering (산업경영시스템학회지)

Society of Korea Industrial and System Engineering (한국산업경영시스템학회)
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A Case Study of Reliability Assessment of CMC in Hydraulic Clutch System with Field Warranty Data

보증수리자료를 활용한 유압클러치시스템의 클러치마스터실린더 신뢰성 분석 사례연구

  • Lee, Sang Cheon (Division of Industrial Systems Engineering, ERI, Gyeongsang National University) ;
  • Park, Jong Hun (Department of Business Administration, Catholic University of Daegu)
  • 이상천 (경상대학교 산업시스템공학부) ;
  • 박종훈 (대구가톨릭대학교 경영학과)
  • Received : 2013.05.20
  • Accepted : 2013.06.06
  • Published : 2013.09.30
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Abstract

This paper is a case study of reliability assessment with field warranty data of Clutch Master Cylinder (CMC) in hydraulic clutch system. We estimate lifetime distribution using field warranty data which contain much useful information for understanding reliability of the system in the real-world environments. However, the estimated parameters are far from existing reference values, which seems to be caused right censored field warranty data. To modify the parameters, we use the information of the durability test which is performed to verify that the lifetime of the item meets the required level. After that, we can observe that the modified parameters are closer to the existing reference values. This case study shows a possible idea to supplement lack of right censored field warranty data and its applicability.

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References

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