Results 11 to 20 of about 1,587,400 (304)

A Transformer Maintenance Interval Optimization Method Considering Imperfect Maintenance and Dynamic Maintenance Costs

open access: yesApplied Sciences
As one of the most critical components of the power grid system, transformer maintenance strategy planning significantly influences the safe, economical, and sustainable operation of the power system. Periodic imperfect maintenance strategies have become
Jianzhong Yang   +6 more
doaj   +2 more sources

Clustering of Condition-Based Maintenance Activities with Imperfect Maintenance and Predication Signals [PDF]

open access: yesInternational Journal of Industrial Engineering and Production Research, 2022
Condition-based maintenance (CBM) is a well-known maintenance cost minimization strategy in which maintenance activities are performed based on the actual state of the system being maintained.
Hasan Rasay   +2 more
doaj   +2 more sources

Remaining Useful Life Prediction Method for Stochastic Degrading Devices Considering Predictive Maintenance [PDF]

open access: yesSensors
Predictive maintenance, recognized as an effective health management strategy for extending the lifetime of devices, has emerged as a hot research topic in recent years. A general method is to execute two separate steps: data-driven remaining useful life
Qing Dong   +4 more
doaj   +2 more sources

A Historical Survey of Corrective and Preventive Maintenance Models with Imperfect Inspections: Cases of Constant and Non-Constant Probabilities of Decision Making

open access: yesAerospace
Maintenance strategies play a crucial role in ensuring the reliability and performance of complex systems. Imperfect inspections, characterized by the probabilities of false positives and false negatives, significantly impact the effectiveness of ...
Vladimir Ulansky, Ahmed Raza
doaj   +2 more sources

Joint Optimization Strategy of Condition-Based Maintenance and Spare Parts Ordering for Nonlinear Degraded Equipment under Imperfect Maintenance

open access: yesMachines, 2022
When existing methods consider the impact of the imperfect maintenance activities on random degraded equipment, they usually assume that the degraded equipment is linear, and set the number of imperfect maintenance activities in advance.
Baokui Yang   +4 more
doaj   +1 more source

Optimal Education Plan of Employees Using Maintenance Model [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2021
The employee education is indispensable for companies to improve productive efficiency and product quality. In general, the employee education is divided into two types, i.e., On-job trainings and Off-job ones, and Off-job trainings are divided into two ...
Shigeshi Yamashita   +3 more
doaj   +1 more source

Optimal Maintenance Decision Based on Remaining Useful Lifetime Prediction for the Equipment Subject to Imperfect Maintenance

open access: yesIEEE Access, 2020
Focusing on the fact that the existing research on optimal maintenance decision for remaining useful lifetime (RUL) prediction and imperfect maintenance has low accuracy of RUL prediction and rationality of decision results, an optimal maintenance ...
Yunxiang Chen, Zezhou Wang, Zhongyi Cai
doaj   +1 more source

Research on a Comprehensive Maintenance Optimization Strategy for an Offshore Wind Farm

open access: yesEnergies, 2021
Offshore wind is considered a crucial part in the future energy supply. However, influenced by weather conditions, the maintenance of offshore wind turbine system (OWTs) equipment is challenged by poor accessibility and serious failure consequences.
Yang Lu, Liping Sun, Yanzhuo Xue
doaj   +1 more source

Age Based Overhaul Policy for Multiple Repairable Systems with Imperfect Maintenance: Case Study of Aero Engines [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2021
Reliability analysis of complex multiple repairable systems (MRS) such as aero engines, rolling stocks and nuclear power plants has always been an area of interest for the research fraternity. An appropriate age based overhaul maintenance policy for such
Garima Sharma, Rajiv Nandan Rai
doaj   +1 more source

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