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Redundant spares allocation to reduce reliability costs

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  • Leonard Shaw
  • Sharad G. Sinkar

Abstract

The problem considered here is the optimal selection of the inventory of spares for a system built from two kinds of modules, the larger of which can be connected so it performs the role of the smaller one. The optimal inventory is the least costly one which achieves a specified probability that the spares will not be exhausted over the design lifetime. For some costs and failure rates it is most economical to use the larger module for both roles, due to the resulting increase in flexibility in the deployment of a single type of spare module. Both analytical and simulation methods have been used to study this problem.

Suggested Citation

  • Leonard Shaw & Sharad G. Sinkar, 1976. "Redundant spares allocation to reduce reliability costs," Naval Research Logistics Quarterly, John Wiley & Sons, vol. 23(2), pages 179-194, June.
    • Handle: RePEc:wly:navlog:v:23:y:1976:i:2:p:179-194
    DOI: 10.1002/nav.3800230202
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