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자연과학대학
통계학전공
Journal papers
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Preventive maintenance for the constrained multi-attempt minimal repair
Title
Preventive maintenance for the constrained multi-attempt minimal repair
Authors
Cha
;
Ji Hwan
;
Finkelstein
;
Maxim
Ewha Authors
차지환
SCOPUS Author ID
차지환
Issue Date
2024
Journal Title
Reliability Engineering and System Safety
ISSN
0951-8320
Citation
Reliability Engineering and System Safety vol. 243
Keywords
Maintenance
;
Minimal repair
;
Optimal replacement
;
Poisson process
;
Polya-Aeppli process
Publisher
Elsevier Ltd
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
In practice, at some instances, the repair of a failed item can be unsuccessful and should be repeated due to various reasons. This can happen in practice with a minimal repair when a failed part of a system is replaced, e.g., by the faulty spare. The corresponding stochastic model that takes into account this possibility can be described probabilistically in terms of the Polya-Aeppli process, which is a generalization of the Poisson process to the case of multiple occurrences of events. Some useful properties for considering optimal preventive maintenance problems are derived. The optimal replacement policy for a system with the multi-attempt minimal repairs is defined and analysed. The characteristic feature of this policy is that the system is replaced not only on reaching the predetermined age but also after a fixed number of unsuccessful minimal repairs. The detailed numerical examples illustrate our findings. © 2023 Elsevier Ltd
DOI
10.1016/j.ress.2023.109899
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