Availability analysis and maintenance optimization for multiple failure mode systems considering imperfect repair

Qingan Qiu; Baoliang Liu; Cong Lin; Jingjing Wang

doi:10.1177/1748006X211012792

Availability analysis and maintenance optimization for multiple failure mode systems considering imperfect repair

Qingan Qiu, Baoliang Liu, Cong Lin, Jingjing Wang^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

36 Citations (Scopus)

Abstract

This paper studies the availability and optimal maintenance policies for systems subject to competing failure modes under continuous and periodic inspections. The repair time distribution and maintenance cost are both dependent on the failure modes. We investigate the instantaneous availability and the steady state availability of the system maintained through several imperfect repairs before a replacement is allowed. Analytical expressions for system availability under continuous and periodic inspections are derived respectively. The availability models are then utilized to obtain the optimal inspection and imperfect maintenance policy that minimizes the average long-run cost rate. A numerical example for Remote Power Feeding System is presented to demonstrate the application of the developed approach.

Original language	English
Pages (from-to)	982-997
Number of pages	16
Journal	Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability
Volume	235
Issue number	6
DOIs	https://doi.org/10.1177/1748006X211012792
Publication status	Published - Dec 2021
Externally published	Yes

Keywords

Multiple failure modes
availability analysis
imperfect maintenance
inspection

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10.1177/1748006X211012792

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title = "Availability analysis and maintenance optimization for multiple failure mode systems considering imperfect repair",

abstract = "This paper studies the availability and optimal maintenance policies for systems subject to competing failure modes under continuous and periodic inspections. The repair time distribution and maintenance cost are both dependent on the failure modes. We investigate the instantaneous availability and the steady state availability of the system maintained through several imperfect repairs before a replacement is allowed. Analytical expressions for system availability under continuous and periodic inspections are derived respectively. The availability models are then utilized to obtain the optimal inspection and imperfect maintenance policy that minimizes the average long-run cost rate. A numerical example for Remote Power Feeding System is presented to demonstrate the application of the developed approach.",

keywords = "Multiple failure modes, availability analysis, imperfect maintenance, inspection",

author = "Qingan Qiu and Baoliang Liu and Cong Lin and Jingjing Wang",

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AU - Qiu, Qingan

AU - Liu, Baoliang

AU - Lin, Cong

AU - Wang, Jingjing

N1 - Publisher Copyright: © IMechE 2021.

PY - 2021/12

Y1 - 2021/12

N2 - This paper studies the availability and optimal maintenance policies for systems subject to competing failure modes under continuous and periodic inspections. The repair time distribution and maintenance cost are both dependent on the failure modes. We investigate the instantaneous availability and the steady state availability of the system maintained through several imperfect repairs before a replacement is allowed. Analytical expressions for system availability under continuous and periodic inspections are derived respectively. The availability models are then utilized to obtain the optimal inspection and imperfect maintenance policy that minimizes the average long-run cost rate. A numerical example for Remote Power Feeding System is presented to demonstrate the application of the developed approach.

AB - This paper studies the availability and optimal maintenance policies for systems subject to competing failure modes under continuous and periodic inspections. The repair time distribution and maintenance cost are both dependent on the failure modes. We investigate the instantaneous availability and the steady state availability of the system maintained through several imperfect repairs before a replacement is allowed. Analytical expressions for system availability under continuous and periodic inspections are derived respectively. The availability models are then utilized to obtain the optimal inspection and imperfect maintenance policy that minimizes the average long-run cost rate. A numerical example for Remote Power Feeding System is presented to demonstrate the application of the developed approach.

KW - Multiple failure modes

KW - availability analysis

KW - imperfect maintenance

KW - inspection

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JF - Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability

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ER -

Availability analysis and maintenance optimization for multiple failure mode systems considering imperfect repair

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Keywords

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