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Predictive maintenance: The one-unit replacement model
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DOI：10.1016/S0925-5273(98)00004-8.png)
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Abstract
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Predictive maintenance consists in deciding whether or not to maintain a system according to its state. In this paper, we address the case of one-unit systems, i.e. systems whose state is given by the value taken by one variable. The system is replaced in the case of breakdowns, but also when a maintenance is decided, at a lowest cost than in the breakdowns case. We first propose a global approach to the problem and provide a characterisation of the optimal maintenance, We then focus on the case when the state transition between two successive periods follows a negative exponential distribution. (C) 1998 Elsevier Science B.V. All rights reserved.
Keywords:
predictive maintenance
dynamic programming
Markov process
optimal replacement policy
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