フィ-ルドデ-タによる舶用機関システムの信頼性,保全性の配分に関する考察

概要

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The more redundant system of m-multi engines is able to give the higher availability to total ship but unavoidable to require the more manpower to maintenance crews. The following equation as a function of maintenance intensity ρi is led to the redundant system of m-multi repairable engines according to the combination of three kinds of trouble conditions of each engine; (ρ0+ρw+ρz)m=ρm0+Σml=1 mClρm-l0ρlw+Σmq=1 mCq(ρ0+ρw)m-qρqz=1l, q≤m, ρi= λi/μi (i=0, w, z) where λi; failure rate, μi; maintenance rate of maintenance level of Si, subscript i as follows; z; emergency failure (x; stoppage of engine, y; slow down of engine) w; non-emergency failure, 0; normal operation There were obtained some useful informations concerning the allocation of reliability and maintainability and utilization of its maintenance crew due to a lot of failure field data of marine engine. Furthermore the above equation was confirmed by the single markov model for redundant system of marine repairable engines in appendix.
公益社団法人日本マリンエンジニアリング学会の論文