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Integrated maintenance policy optimization with finite spares

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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.

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Acknowledgements

The research report was supported by the National Natural Science Funds of China 71401173 and by the Natural Science Foundation of Hebei Province E2015506012.

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Authors and Affiliations

  1. Mechanical Engineering College, Shijiazhuang, China

    Ruifeng Yang, Jianshe Kang & Qiwei Hu

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  1. Ruifeng Yang
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  2. Jianshe Kang
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  3. Qiwei Hu
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Correspondence to Ruifeng Yang.

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Yang, R., Kang, J. & Hu, Q. Integrated maintenance policy optimization with finite spares. Int J Syst Assur Eng Manag 9, 1014–1021 (2018). https://doi.org/10.1007/s13198-018-0718-9

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  • DOI: https://doi.org/10.1007/s13198-018-0718-9

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