지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Railway vehicle equipment goes back again to the state just before when failure by the repair. In repairable system, we are interested in the failure interval. As such, a statistical model of the point process, NHPP power law is often used for the reliability analysis of a repairable system. In order to derive a quantitative reliability value of repairable system, we analyze the failure data of the air brake system of the train line 7. The quantitative value is the failure intensity function that was modified, converted into a cost-rate function. Finally we studied the optimal number and optimal interval in which the costs to a minimum consumption point as cost-rate function. The minimum cost point was 194,613 (won/day) during the total life cycle of the braking system, then the optimal interval were 2,251days and the number of optimal preventive maintenance were 7 times. Additionally, we were compared to the cost of a currently fixed interval(4Y) and the optimum interval then the optimal interval is 3,853(won/day) consuming smaller. In addition, judging from the total life, "fixed interval" is smaller than 1,157 days as "optimal interval".
목차
등록된 정보가 없습니다.
참고문헌 (20)
참고문헌 신청
박정화 / 2006 / 도시철도 SYSTEM 도입시 경제성 평가 방법에 대한 연구 / 한국철도학회논문집 9(1):23~28
L. H. Crow / 2003 / Methods for Reducing the Cost to Maintain a Fleet of Repairable System / The Journal of the Reliability Analysis Center, Second Quarter 4
IEC-61710 / 2013 / Power Law Model - Goodness of fit Tests and Estimation Methods
Department of Defense / 2005 / DOD Guide for Achieving Reliability, Availability, and Maintainability : Systems Engineering for Mission Success Appendix C - Reliability Growth Management
MIL-HDBK-00189A / 1981 / Department of Defense Handbook Reliability Growth Management
L. H. Crow / 2003 / Methods for Reducing the Cost to Maintain a Fleet of Repairable System / The Journal of the Reliability Analysis Center, Second Quarter 4
IEC-61710 / 2013 / Power Law Model - Goodness of fit Tests and Estimation Methods
Department of Defense / 2005 / DOD Guide for Achieving Reliability, Availability, and Maintainability : Systems Engineering for Mission Success Appendix C - Reliability Growth Management
MIL-HDBK-00189A / 1981 / Department of Defense Handbook Reliability Growth Management
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