On the maintenance of systems composed of highly reliable components

On the maintenance of systems composed of highly reliable components

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Article ID: iaor1989167
Country: United States
Volume: 35
Issue: 5
Start Page Number: 551
End Page Number: 560
Publication Date: May 1989
Journal: Management Science
Authors: ,
Keywords: maintenance, repair & replacement, programming: markov decision
Abstract:

The authors consider the dynamic repair allocation problem for a general multi-component system that is maintained by a limited number of repairmen. Component functioning and repair times are exponentially distributed random variables with known parameters. At most one repairman may be assigned to a failed component and it is possible to reassign a repairman from one failed component to another instantaneously. The objective is to determine repair allocation policies that maximize a measure of performance of the system such as the expected discounted system operation time or the availability of the system. The authors consider systems composed of highly reliable, i.e., small failures rates, components and study asymptotic techniques for the determination of optimal policies. In the final section they find asymptotically optimal policies for the series, parallel and a system composed of parallel subsystems connected in series.

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