Replacement policy for repairable system under various failure types with finite time horizon

Projekt:

JVTC

Sammanfattning:
The repairable system suffers various type of failure and each failure type has different repair cost. Assume the failure process of the system as Non-homogenous Poisson Process (NHPP). The system is replaced after it experienced a predetermined number of minimal repairs. Considering finite time horizon, the paper proposes a replacement model for the system. It firstly proves that the failure process of each type of failure also follows NHPP. Then it develops a model to estimate the total cost which covers minimal repair cost for each type of failure and system replacement cost. To obtain the numerical solution, the paper introduces a numerical approach to approximate renewal function and a nonlinear programming model is developed. A numerical example is presented eventually.

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Författare: Yuan Fuqing ; Uday Kumar
Utgivare: Mathematical Models in Reliability
Utgivningsdatum: 2009
Diarienummer: TRV 2011/58769
Antal sidor: 5
Språk: Engelska
Kontaktperson: Per Olof Larsson Kråik, UHjbs