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Decision theory in maintenance strategy of standby system with gamma-distribution repair-time

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2 Author(s)
De Almeida, A.T. ; Companhia Hidro Eletrica do Sao Francisco, Recife, Brazil ; Bohoris, G.A.

This study develops an application for a previous decision-model analyzed via decision theory. The previous paper identifies a need for additional applications in that decision-model. This study introduces a gamma repair-time distribution with shape-parameter 2. The uncertainty of the gamma scale-parameter is accounted for in a Bayes approach, eliciting expert prior belief. Conflicting requirements of system availability and cost are combined through a multi-attribute utility function. A numerical application with sensitivity analysis, illustrates the use of the model

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Reliability, IEEE Transactions on  (Volume:45 ,  Issue: 2 )