A bi‐objective optimization approach for the maintenance planning of networked systems

Networked systems, such as telecommunications, transportation, and power transmission, are critical for the economic development and social well‐being of a society and are required to keep the prescribed demand continuously satisfied. Therefore, when planning maintenance actions for such a system, t...

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Bibliographic Details
Published in:Quality and reliability engineering international 2020-06, Vol.36 (4), p.1364-1385
Main Authors: Li, Wanshan, Zhang, Chi
Format: Article
Language:English
Subjects:
bi‐objective optimization
Component reliability
continuous demand
Economic development
Maintenance costs
maintenance optimization
Network reliability
networked system
Optimization
Planning
System reliability
unavailability
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Summary:Networked systems, such as telecommunications, transportation, and power transmission, are critical for the economic development and social well‐being of a society and are required to keep the prescribed demand continuously satisfied. Therefore, when planning maintenance actions for such a system, the adverse influence on its reliability caused by the unavailability of the components in the process of being maintained needs to be taken into account. To deal with this problem, we propose a new bi‐objective optimization approach to determine the Pareto optimal maintenance plans for a networked system, simultaneously maximizing its reliability within the concerned planning horizon and minimizing the total maintenance cost. Both perfect and imperfect maintenance actions are considered. The proposed approach can well balance the influence of maintenance actions on a networked system's reliability during their implementation and after being completed and, thus, can help ensure its reliability of continuously satisfying the prescribed demand.
ISSN:0748-8017
1099-1638
DOI:10.1002/qre.2633