Joint decision making for maintenance and production scheduling of production systems

  • Lee S
  • Ni J
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Deteriorated equipment has a significant impact on the product quality and maintenance policies. In this paper, we present a decision-making architecture to determine maintenance and product dispatching policies based on condition-monitoring information and the relationship between machine degradation and associated product quality. We use a Markov decision process for the long-term decision making and integer programming for the short-term decision making with a multi-product, multi-station system. We demonstrate the advantage of the proposed approach by comparing the proposed policy with traditional decision-making approaches. Furthermore, we illustrate the improvement of the proposed policy over the current usage-based maintenance policy with a semiconductor manufacturing process application. © 2012 Springer-Verlag London Limited.

Author-supplied keywords

  • Condition-based maintenance
  • Joint maintenance and product scheduling
  • Markov decision process
  • Semiconductor manufacturing

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  • Seungchul Lee

  • Jun Ni

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