Journal Article10.1016/J.EJOR.2021.03.010
A finite-horizon condition-based maintenance policy for a two-unit system with dependent degradation processes
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TL;DR: Numerical results show that a higher dependence between the degradation processes actually reduces the maintenance cost, while a higher economic dependence leads to higher preventive replacement thresholds.
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About: This article is published in European Journal of Operational Research. The article was published on 01 Dec 2021. The article focuses on the topics: Optimal maintenance & Condition-based maintenance.
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Citations
A condition-based maintenance policy for multi-component systems subject to stochastic and economic dependencies
TL;DR: In this paper , a bi-level approach to optimize a condition-based maintenance (CBM) policy for multi-component systems subject to stochastic and economic dependencies is presented.
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Joint optimization of condition-based maintenance and spares inventory for a series-parallel system with two failure modes
TL;DR: In this paper , the joint optimization of condition-based maintenance and spares inventory for a general series-parallel system with two failure modes is investigated, where hard failures are self-announcing and soft failures are generally caused by the degradation of components and only be discovered through inspection.
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Inverse Gaussian processes with correlated random effects for multivariate degradation modeling
TL;DR: In this article , a multivariate degradation model based on the inverse Gaussian process is proposed to capture both the unit-wise variability and the performance characteristic (PC)-wise dependence.
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Condition-based maintenance strategy for redundant systems with arbitrary structures using improved reinforcement learning
TL;DR: In this paper , the optimal condition-based maintenance (CBM) strategy for redundant systems with arbitrary system structures using improved reinforcement learning, considering failure and economic dependences, is investigated.
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Condition-based maintenance for a multi-component system in a dynamic operating environment
TL;DR: In this paper , a condition-based maintenance (CBM) model for a multi-component system operating under a dynamic environment is developed. But the degradation process of each component depends on both its intrinsic characteristic and the common operating environment.
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References
Reliability Modeling and Analysis of Load-Sharing Systems With Continuously Degrading Components
Xiujie Zhao,Bin Liu,Yiqi Liu +2 more
TL;DR: This paper presents a reliability modeling and analysis framework for load-sharing systems with identical components subject to continuous degradation by constructing maximum likelihood estimates (MLEs) for unknown parameters and related reliability characteristics by combining analytical and numerical methods.
Design and pricing of extended warranty menus based on the multinomial logit choice model
Xiaolin Wang,Xiujie Zhao,Bin Liu +2 more
TL;DR: This paper studies the design and pricing of an extended warranty menu, which offers multiple options with differentiated lengths and prices, and presents three extended models by incorporating heterogeneous warranty breadths, free preventive maintenance programs, and customers with heterogeneous perceptions of product failure probability.
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A preventive maintenance policy for a continuously monitored system with correlated wear indicators
Sophie Mercier,Hai Ha Pham +1 more
TL;DR: A continuously monitored system is considered, that gradually and stochastically deteriorates according to a bivariate non-decreasing Levy process, and which involves a delayed replacement, triggered by the reaching of some preventive zone for the system deterioration level.
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A dynamic auto-adaptive predictive maintenance policy for degradation with unknown parameters
TL;DR: A dynamic auto-adaptive predictive maintenance policy for single-unit systems whose gradual deterioration is governed by an increasing stochastic process is proposed.
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A general modeling method for opportunistic maintenance modeling of multi-unit systems
TL;DR: The proposed method is applicable to both single-unit and multi- unit systems, and it provides a new generalized modeling method for maintenance optimization of multi-unit systems.
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