This article concerns the problem of determining the optimal spare inventory level for a multiechelon repairable-item inventory system, which has several bases and a central depot. When an item fails, it is dispatched to a repair facility, and a spare, if available, is plugged in immediately. We develop an optimal algorithm to find the spare inventory level which minimizes the total expected cost and simultaneously satisfies a specified minimum service rate. The algorithm is applied to examples with good results.
Computers & Operations Research – Elsevier
Published: Mar 1, 1996
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