Joint optimization of multi-window maintenance and spare part provisioning policies for production systems

Jingjing Wang, Li Yang, Xiaobing Ma and Rui Peng

Reliability Engineering and System Safety, 2021, vol. 216, issue C

Abstract: Advanced asset management emphasizes the collaborative schemes of maintenance and spare part resources driven by asset health status. This paper formulates a joint optimization model of maintenance-spare part provisioning policy for a production system with observable defect information and postponed spare part supplies. Three levels of state-based maintenance windows, (a) regular inspection window (RIW); (b) defect removal window (DRW), and (c) pre-specified overhaul window (POW) are integrated to promote the timeliness and robustness of maintenance decision-makings, and mitigate production downtime due to spare part delays. In particular, a spare part order is induced upon defect identifications at DRW and the system continues production until being replaced as soon as the order arrives at the maintenance base, or being renewed at POW when the system attains a specified age. As such, spare part replacement is delayed, so as to leave enough time for resource preparation, and prolong the remaining useful lifetime. The system net profit is maximized through the interval optimization of RIW and DRW. A numerical experiment on maintenance engineering of a steel convertor plant is used to demonstrate the proposed methodology.

Keywords: Multi-window maintenance; Spare part provisioning policy; Delay-time; Production systems (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:216:y:2021:i:c:s0951832021005159

DOI: 10.1016/j.ress.2021.108006

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