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Bivariate preventive maintenance of systems with lifetimes dependent on a random shock process

Title
Bivariate preventive maintenance of systems with lifetimes dependent on a random shock process
Authors
Cha J.H.Finkelstein M.Levitin G.
Ewha Authors
차지환
SCOPUS Author ID
차지환scopus
Issue Date
2018
Journal Title
European Journal of Operational Research
ISSN
0377-2217JCR Link
Citation
vol. 266, no. 1, pp. 122 - 134
Keywords
Bivariate optimizationIntensity processMaintenancePoisson shock processPreventive maintenace
Publisher
Elsevier B.V.
Indexed
SCIE; SCOPUS scopus
Abstract
We consider a bivariate model for preventive maintenance for items operating in a random environment modeled by a Poisson process of shocks. An item is replaced either on failure or on the predetermined replacement time or on a shock with the predetermined number, whichever comes first. Each shock in our stochastic model has a double effect. First, it acts directly on the failure rate of an item, which results in the corresponding stochastic intensity process, secondly, each shock causes additional ‘damage’ which can be attributed, e.g., to a short drop in the output of a system. The corresponding bivariate optimization problem is considered and illustrated by detailed numerical examples. © 2017 Elsevier B.V.
DOI
10.1016/j.ejor.2017.09.021
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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