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Optimality of hedging point policies in the production control of failure prone manufacturing systems

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3 Author(s)
Jian-Qiang Hu ; Dept. of Manuf. Eng., Boston Univ., MA, USA ; P. Vakili ; Guo-Xiang Yu

We study the necessary and sufficient conditions for the optimality of the hedging point policy for production systems in which the failure rate of machines depends on the rate of production. We focus on a one machine one part-type and infinite horizon discounted cost problem. It is shown that when the failure rate is independent of the rate of production and a constant, the hedging point policy is provably optimal. The main result of this paper is to show that the linearity of the failure rate function is both necessary and sufficient for the optimality of the hedging point policy

Published in:

IEEE Transactions on Automatic Control  (Volume:39 ,  Issue: 9 )