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Condition-based opportunistic maintenance policy for a series–parallel hybrid system with economic dependence

Aiping Jiang (SILC Business School, Shanghai University, Shanghai, China)
Zhenni Huang (SILC Business School, Shanghai University, Shanghai, China)
Jiahui Xu (SILC Business School, Shanghai University, Shanghai, China)
Xuemin Xu (SILC Business School, Shanghai University, Shanghai, China)

Journal of Quality in Maintenance Engineering

ISSN: 1355-2511

Article publication date: 13 May 2021

Issue publication date: 28 June 2022

88

Abstract

Purpose

The purpose of this paper is to propose a condition-based opportunistic maintenance policy considering economic dependence for a series–parallel hybrid system with a K-out-of-N redundant structure, where a single component in series is denoted as subsystem1, and K-out-of-N redundant structure is denoted as subsystem2.

Design/methodology/approach

Based on the theory of Residual Useful Life (RUL), inspection points are determined, and then different maintenance actions are adopted in the purpose of minimizing the cost rate. Both perfect and imperfect maintenance actions are carried out for subsystem1. More significantly, regarding economic dependence, condition-based opportunistic maintenance is designed for the series–parallel hybrid system: preemptive maintenance for subsystem1, and both preemptive and postponed maintenance for subsystem2.

Findings

The sensitivity analysis indicates that the proposed policy outperforms two classical maintenance policies, incurring the lowest total cost rate under the context of both heterogeneous and quasi-homogeneous K-out-of-N subsystems.

Practical implications

This model can be applied in series–parallel systems with redundant structures that are widely used in power transmission systems in electric power plants, manufacturing systems in textile factories and sewerage systems. Considering inconvenience and high cost incurred in the inspection of hybrid systems, this model helps production managers better maintain these systems.

Originality/value

In maintenance literature, much attention has been received in repairing strategies on hybrid systems with economic dependence considering preemptive maintenance. Limited work has considered postponed maintenance. However, this paper uses both condition-based preemptive and postponed maintenance on the issue of economic dependence bringing opportunities for grouping maintenance activities for a series–parallel hybrid system.

Keywords

Acknowledgements

Declaration of interest statement: The authors declare that there is no conflict of interests regarding the publication of this paper.

Funding: This work was supported and funded by the National Natural Science Foundation of China (Grant No. 71302053).

Citation

Jiang, A., Huang, Z., Xu, J. and Xu, X. (2022), "Condition-based opportunistic maintenance policy for a series–parallel hybrid system with economic dependence", Journal of Quality in Maintenance Engineering, Vol. 28 No. 3, pp. 584-605. https://doi.org/10.1108/JQME-12-2020-0128

Publisher

:

Emerald Publishing Limited

Copyright © 2021, Emerald Publishing Limited

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