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

Title
On 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
2017
Journal Title
Reliability Engineering and System Safety
ISSN
0951-8320JCR Link
Citation
vol. 168, pp. 90 - 97
Keywords
Age replacementIntensity processPoisson processPreventive maintenaceShock process
Publisher
Elsevier Ltd
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We consider preventive maintenance (age replacement) of 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, whichever comes first. Each shock in our stochastic model has a double effect. On one hand, it acts directly on the failure rate of an item, which results in the corresponding stochastic failure rate process. On the other hand, each shock causes additional ‘damage’, which can be attributed, e.g., to a short drop in the output of an item. The corresponding optimization problem is considered and illustrated by detailed numerical examples. © 2017 Elsevier Ltd
DOI
10.1016/j.ress.2017.03.023
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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