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Optimal preventive maintenance for systems having a continuous output and operating in a random environment

Title
Optimal preventive maintenance for systems having a continuous output and operating in a random environment
Authors
Cha J.H.Finkelstein M.
Ewha Authors
차지환
SCOPUS Author ID
차지환scopus
Issue Date
2019
Journal Title
TOP
ISSN
1134-5764JCR Link
Citation
TOP vol. 27, no. 2, pp. 327 - 350
Keywords
Optimal maintenanceOutput functionRandom environmentShocksShot-noise process
Publisher
Springer Verlag
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
We consider systems that are operating in a random environment modeled by an external shock process. Performance of a system is characterized by a quality (output) function that is decreasing (due to degradation) in the absence of shocks. Shocks have a double impact, i.e., they affect the failure rate of a system directly and at the same time, and each shock contributes to the additional decrease in the quality function. The unconditional and conditional (on survival) expectations for the corresponding stochastic quality process are obtained. The system is replaced either on failure or on the predetermined replacement time, whichever comes first. The corresponding optimization problem is considered and illustrated by detailed numerical examples. © 2019, Sociedad de Estadística e Investigación Operativa.
DOI
10.1007/s11750-019-00508-2
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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