Some insights into the effect of maintenance quality for a protection system

Berrade, M. D., Scarf, Philip A. and Cavalcante, Cristiano A. V. 2015. Some insights into the effect of maintenance quality for a protection system. IEEE Transactions on Reliability 64 (2) , pp. 661-672. 10.1109/TR.2015.2417431

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Abstract

This paper considers an inspection and preventive replacement policy for a one-component protection or cold standby system. Inspection is imperfect, and subject to false positives and negatives; preventive replacement may also be of poor quality. We determine conditions relating to the quality of the inspection and preventive replacement under which a maintained system would not benefit from the execution of inspections and preventive maintenance. We present examples with decreasing failure rate component lifetimes in which preventive replacement is cost-optimal, contrary to the classic policy. Such cases arise when inspections do not necessarily detect the failed state.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Business (Including Economics)
Publisher:	Institute of Electrical and Electronics Engineers (IEEE)
ISSN:	0018-9529
Date of First Compliant Deposit:	7 December 2020
Date of Acceptance:	28 September 2014
Last Modified:	03 Dec 2024 01:15
URI:	https://orca.cardiff.ac.uk/id/eprint/136871

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