Reliability and maintainability of a multicomponent series-parallel system with simultaneous failure and repair priorities |
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Authors: | Masanori Kodama Isao Sawa |
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Affiliation: | Department of Economic Engineering, Faculty of Economics, Kyushu university, Fukuoka, Japan;Faculty of Engineering, Kansai university, Osaka, Japan. |
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Abstract: | This paper considers a system consisting of two subsystems connected in series with a single repair facility. One subsystem is K-out-of-N:G system consisting of N identical units, while the other consists of M different units connected in series. The life-times of the active units depend on each other in having simultaneous failure of all the operating units and repair times are distributed quite generally. The system breaks down if more than (N?K+1) units in the parallel group are simultaneously in the failed states or if any failure occures in the series group. The availability and reliability function of the system are obtained simultaneously. Explict expressions for the steady state availability of the system and the mean time to the first system failure are obtained. |
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