Condition-based maintenance policy for a two-component balanced system with a multimode protective device

Haojun Fang, Rui Zheng, Xiangde Xia and Chiwei Hu

Reliability Engineering and System Safety, 2025, vol. 262, issue C

Abstract: This paper presents a condition-based maintenance policy for a two-component balanced system equipped with a multimode protective device. The balanced components follow the same deterioration process characterized as a continuous-time Markov chain. The system fails if a component jumps into the failure state or the two components are unbalanced, incurring costly corrective replacement. The protective device has three modes (0, 1, and 2) to enhance reliability and maintain balance. One protective mode is selected at an inspection epoch, where preventive replacement is not performed, for the next inspection interval. If the protective device fails, it can be repaired at the next inspection epoch. The goal is to determine the optimal policy that minimizes the average maintenance cost rate. This optimization problem is formulated within a semi-Markov decision process framework and solved using a policy iteration algorithm. A matrix-based method is developed to calculate the system’s transition probabilities. A case study demonstrates the effectiveness of the proposed approach.

Keywords: Preventive maintenance; Two-component balanced system; Protective device; Continuous-time markov chain (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:262:y:2025:i:c:s0951832025003965

DOI: 10.1016/j.ress.2025.111195

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