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標題: Cost analysis of the cold-standby M/M/R machine repair problem with multiple modes of failure
作者: Wang, K.H.
Lee, H.C.
關鍵字: 2 modes
Project: Microelectronics and Reliability
期刊/報告no:: Microelectronics and Reliability, Volume 38, Issue 3, Page(s) 435-441.
This paper studies the cold-standby machine repair problem consisting of M operating machines with S cold-standby machines, and R repairmen where machines have K(K greater than or equal to 1) failure modes under steady-state conditions. It is assumed that any one mode of failure is served by one or more repairmen, and that the K failure modes have equal probability of repair. failure time of the machines and repair time of the repairmen are assumed to follow a negative exponential distribution. A cost model is developed in order to determine the optimal values of the number of cold standbys and the number of repairmen simultaneously, while maintaining a minimum specified level of system availability. Numerical results are presented in which several system characteristics are evaluated for three and four failure modes under the optimal operating conditions. (C) 1998 Published by Elsevier Science Lid. All rights reserved.
ISSN: 0026-2714
DOI: 10.1016/s0026-2714(97)00032-2
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