Results 11 to 20 of about 182,089 (302)

Imperfect Maintenance Policy for a Two-Machine One-Buffer System Based on Markov Decision Process

open access: yesShanghai Jiaotong Daxue xuebao, 2021
To solve the problem of machine maintenance optimization of degraded systems, the preventive maintenance policy of a two-machine one-buffer production system is studied. First, random degradations of both machines are considered.
TIAN Xueyan, WANG Mengya, PAN Ershun
doaj   +1 more source

Selective maintenance optimisation for series-parallel systems alternating missions and scheduled breaks with stochastic durations [PDF]

open access: yes, 2016
This paper deals with the selective maintenance problem for a multi-component system performing consecutive missions separated by scheduled breaks.
Aghezzaf, El-Houssaine   +3 more
core   +4 more sources

Stochastic Optimization of Service Provision with Selfish Users [PDF]

open access: yes, 2013
We develop a computationally efficient technique to solve a fairly general distributed service provision problem with selfish users and imperfect information. In particular, in a context in which the service capacity of the existing infrastructure can be
Altarelli, Fabrizio   +6 more
core   +2 more sources

A comprehensive framework from real‐time prognostics to maintenance decisions

open access: yesIET Collaborative Intelligent Manufacturing, 2021
Studying the influence of imperfect prognostics information on maintenance decisions is an underexplored area. To bridge this gap, a new comprehensive maintenance support system is proposed. First, a survival theory‐based prognostics module employing the
Amit Kumar Jain   +4 more
doaj   +1 more source

Selective Maintenance Optimization Modelling for Multi-State Deterioration Systems Considering Imperfect Maintenance

open access: yesIEEE Access, 2019
Motivated by the need to reduce the maintenance cost and improve the system reliability, the issue of selective maintenance has attracted much attention in the industrial and military fields.
Yusheng Wang, Ehsan Elahi, Lei Xu
doaj   +1 more source

Replacement and Maintenance Decision Analysis for Hydraulic Machinery Facilities at Reservoirs under Imperfect Maintenance

open access: yesEnergies, 2020
After the long-term operation of reservoir facilities, they will become nonoperational due to the material deterioration and the performance degradation.
Sou-Sen Leu, Tao-Ming Ying
doaj   +1 more source

Optimal block replacement policy for two-dimensional products considering imperfect maintenance with improved Salp swarm algorithm

open access: yesOpen Physics, 2022
Human society is entering Industry 4.0. Engineering systems are becoming more complex, which increases the difficulties in maintenance support work. Maintenance plays a very important role in the entire life cycle of a system, and in reality, maintenance
Dong Enzhi   +3 more
doaj   +1 more source

After-sales services optimisation through dynamic opportunistic maintenance: a wind energy case study [PDF]

open access: yes, 2018
After-sales maintenance services can be a very profitable source of incomes for original equipment manufacturers (OEM) due to the increasing interest of assets’ users on performance-based contracts.
Castellano, Eduardo   +3 more
core   +1 more source

Imperfect Preventive Maintenance Optimization with Variable Age Reduction Factor and Independent Intervention Level

open access: yesApplied Sciences, 2023
Maintenance policies are crucial for ensuring the reliability, safety, and longevity of a system, as well as reducing the risk of accidents. Preventive maintenance (PM) is an effective strategy to keep equipment and systems in good working order by ...
Fabio Henrique Pereira   +5 more
doaj   +1 more source

Maintenance Optimization for Repairable Deteriorating Systems under Imperfect Preventive Maintenance

open access: yesMathematics, 2019
This study deals with the preventive maintenance optimization problem based on a reliability threshold. The conditional reliability threshold is used instead of the system reliability threshold.
Juhyun Lee, Byunghoon Kim, Suneung Ahn
doaj   +1 more source

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