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Integrated maintenance policy optimization with finite spares


  • Ruifeng Yang

    () (Mechanical Engineering College)

  • Jianshe Kang

    () (Mechanical Engineering College)

  • Qiwei Hu

    () (Mechanical Engineering College)


Abstract This paper proposes an integrated maintenance policy optimization with finite spares. A system with one working unit and N spare parts is considered. The system is replaced periodically by spare parts until no spare part is feasible. Once the working unit is faulty, the system fails. The decision objective is minimizing the expected cost per unit time by optimizing the replacement interval and inventory quantity of spare parts. A numerical example is presented to demonstrate the efficiency of the proposed model. The optimal decision variables are derived by the proposed optimization algorithms. Finally, the case with infinite spare parts is also presented.

Suggested Citation

  • Ruifeng Yang & Jianshe Kang & Qiwei Hu, 2018. "Integrated maintenance policy optimization with finite spares," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 9(5), pages 1014-1021, October.
  • Handle: RePEc:spr:ijsaem:v:9:y:2018:i:5:d:10.1007_s13198-018-0718-9
    DOI: 10.1007/s13198-018-0718-9

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