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Optimal replacement strategy for stochastic deteriorating system with random wear limit under periodic inspections

Title
Optimal replacement strategy for stochastic deteriorating system with random wear limit under periodic inspections
Author
배석주
Keywords
Condition-based maintenance; Gamma process; Periodic inspection; Breakdown threshold; Renewal theory; Preventive maintenance
Issue Date
2014-03
Publisher
Springer Science + Business Media
Citation
International journal of advanced manufacturing technology,v.71,no.1/4 2014년, pp.219 - 231
Abstract
In this paper, we examine the preventive maintenance policies for systems/items which are degraded continuously in time and the degree of deterioration that can be observed through periodic inspection. The items will be replaced preventively if the wear process exceeds a limit at periodic inspection or replaced immediately on failure. The limit is assumed to be random in taking individual variation to withstand damages or unmeasurable variables latent to failure into account. Continuous wear process is modeled via a gamma process. We derive an optimal wear limit for preventive replacement so that the long-run total expected cost per unit time is minimized. The proposed method is applied to a problem of block mat inspection for the barrier's seabed protection.
URI
https://link.springer.com/article/10.1007%2Fs00170-013-5396-9http://hdl.handle.net/20.500.11754/51319
ISSN
0268-3768; 1433-3015
DOI
10.1007/s00170-013-5396-9
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > INDUSTRIAL ENGINEERING(산업공학과) > Articles
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