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Scheduling the Imperfect Maintenance and Replacement of Power Substation Equipment: A Risk-Based Optimization Model

IEEE Transactions on Power Delivery
A proper and effective maintenance and replacement schedule help to restore power equipment health condition, increase cost efficiency, and reduce the failure risk of the power grid.
Nan Zhou   +3 more
semanticscholar   +1 more source

Imperfect maintenance policy for a degradation-shock model considering dynamic environment effects and varying failure thresholds

Journal of the Operational Research Society
The maintenance of engineering systems operating in dynamic environments is a challenging task due to the combined effects of natural degradation, random shocks, and evolving environmental conditions.
Bei Wu, Yu-Xi Mai, Jian-Wu Xue
semanticscholar   +1 more source

The impact of imperfect maintenance actions on the degradation of buildings’ envelope components

, 2021
Usually, maintenance models consider maintenance actions as perfect, i.e. these interventions can restore the components to the “as good as new” state. However, in many situations, this assumption is too simplistic, and moreover it is not true.
C. Ferreira   +4 more
semanticscholar   +1 more source

A novel maintenance policy for multi-component systems under imperfect maintenance

Journal of Quality in Maintenance Engineering
This paper aims to develop a novel dynamic inspection and imperfect maintenance policy for a multi-component system considering dynamic importance. The system consists of a critical component and an auxiliary component, focusing on the dependency of ...
Faqun Qi   +5 more
semanticscholar   +1 more source

Optimal maintenance time for imperfect maintenance actions on repairable product

Computers & Industrial Engineering, 2011
This paper develops a maintenance strategy for repairable products that combines imperfect maintenance actions at pre-scheduled times and minimal repair actions for failures. Under a power law process of failures, an expected total cost is developed that involves the sum of the total cost of imperfect preventive maintenances and the expected total cost
Tzong-Ru Tsai, Pang-Hsu Liu, Yuhlong Lio
openaire   +1 more source

Condition-Based Maintenance with both Perfect and Imperfect Maintenance Actions

Annual Conference of the PHM Society, 2012
This paper deals with a condition-based maintenance (CBM) model considering both perfect and imperfect maintenance actions for a deteriorating system whose condition is aperiod- ically monitored according to a remaining useful life (RUL) based-inspection policy.
Do Van, Phuc   +3 more
openaire   +2 more sources

Life Prediction of Carrier-Based Aircraft Replaceable Units With Time-Varying Drift and Optimization Strategy for Imperfect Maintenance

IEEE Transactions on Reliability
The aircraft is the sharpest sword of the carrier, and the lifetime of the replaceable units determines its availability. At present, few studies refer to the hybrid impact of maintenance and degradation on the lifetime. This article proposes a model for
Taintian Luan   +4 more
semanticscholar   +1 more source

Optimizing inspection plan for corroded pipeline with considering imperfect maintenance

Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability, 2022
Metal-loss corrosion may result in pipeline’s failure and expensive downtime loss. Thus, to keep the pipeline’s normal operation, it is crucial to draw up scientific inspection and maintenance plans.
Yifei Wang, Chunya Su, Mingjiang Xie
semanticscholar   +1 more source

Monitoring of Electric Scooter With Intermittent Faults and Imperfect Maintenance: A Dynamic Observation Window Approach

IEEE Transactions on Instrumentation and Measurement
In this article, a dynamic observation window (DOW)-based prognosis method is proposed for the electric scooter in the presence of intermittent faults and imperfect maintenance.
Ming Yu   +3 more
semanticscholar   +1 more source

Modelling and analysis of maintenance contract with imperfect preventive maintenance

2015 International Conference on Technology, Informatics, Management, Engineering & Environment (TIME-E), 2015
In this paper, we study two dimensional maintenance contracts for a dump truck operated in a mining industry. To keep the truck in a good operational condition, an imperfect preventive maintenance (PM) policy is applied. When the truck fails then corrective maintenance (CM) is done.
H. Husniah   +3 more
openaire   +1 more source

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