Optimal maintenance policy in a multistate deteriorating standby system

An optimal maintenance policy for a multistate deteriorating standby system is proposed in this study. Traditionally, a system could only presume two operational states: success or failure, and the maintenance policy is to determine the optimal number of standby components, subject to factors such a...

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Bibliographic Details
Published in:European journal of operational research 2002-09, Vol.141 (3), p.689-698
Main Authors: Hsieh, Chung-Chi, Chiu, Kuo-Chang
Format: Article
Language:English
Subjects:
Back up systems
Maintenance
Multistate reliability
Operations research
Reliability
Repair & maintenance
Replacement policy
Standby systems
Studies
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Summary:An optimal maintenance policy for a multistate deteriorating standby system is proposed in this study. Traditionally, a system could only presume two operational states: success or failure, and the maintenance policy is to determine the optimal number of standby components, subject to factors such as maintenance capability, cost of the standby items, etc., so as to minimize the operational cost. This study considers a more general production system in which progressive deterioration is incurred during the operating time, hence resulting in degrading performance. By modeling the system as a multistate deteriorating system, an optimal maintenance policy is obtained by determining the optimal number of standby components required in the system and the optimal state in which the replacement of deteriorating components shall be made.
ISSN:0377-2217
1872-6860
DOI:10.1016/S0377-2217(01)00263-6