Comparative cost-benefit analysis of four retrial systems with preventive maintenance and unreliable service station

•Four retrial systems with preventive maintenance and spares are investigated.•An application for air compressor systems with preventive maintenance is provided.•The state-transition diagram and laplace transform equations are established.•The availability function and mean time to system failure ar...

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Bibliographic Details
Published in:Reliability engineering & system safety 2022-05, Vol.221, p.108342, Article 108342
Main Authors: Wang, Kuo-Hsiung, Wu, Chia-Huang, Yen, Tseng-Chang
Format: Article
Language:English
Subjects:
Availability
Cost benefit analysis
Cost-benefit
Decision analysis
Decision making
Difference equations
Differential equations
Mean time to failure
Preventive maintenance
Reliability engineering
Service stations
Unreliable retrial system
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Summary:•Four retrial systems with preventive maintenance and spares are investigated.•An application for air compressor systems with preventive maintenance is provided.•The state-transition diagram and laplace transform equations are established.•The availability function and mean time to system failure are derived explicitly.•The best system configuration with the highest performance is obtained. In various industrial problems, repairable models have been widely employed to derive performance measures. The current investigation compares four unreliable retrial systems with preventive maintenance. The objective is to offer a proper analysis procedure helpful for managers to determine the best configuration resulting in a better performance. A potential application in which the proposed model can be applied is provided. For each system, the state-transition diagram and associated differential-difference equations are presented. Using the Laplace-Stieltjes transform, we derive the explicit formulas for the mean time-to-failure and the steady-state availability, commonly considered critical criteria. Numerical results are tabulated and displayed graphically, and then a comparative cost-benefit analysis is performed. Finally, observed insights into decision-making are provided.
ISSN:0951-8320
1879-0836
DOI:10.1016/j.ress.2022.108342