An imperfect preventive maintenance model with dependent failure modes

The wind industry is trying to find tools to accurately predict and know the reliability and availability of newly installed wind turbines. Failure modes, effects and criticality analysis (FMECA) is a technique used to determine critical subsystems, causes and consequences of wind turbines. FMECA has been widely used by manufacturers of wind turbine assemblies to analyze, evaluate and prioritize potential/known failure modes. However, its actual implementation in wind farms has some limitations. This paper aims to determine the most critical subsystems, causes and consequences of the wind turbines of the Moroccan wind farm of Amougdoul during the years 2010–2019 by applying the maintenance model (FMECA), which is an analysis of failure modes, effects and criticality based on a history of failure modes occurred by the SCADA system and proposing solutions and recommendations.

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A Failure-rate-reduction Periodic Preventive Maintenance Model with Delayed Initial Time in a Finite Time Period

Quality Technology & Quantitative Management ◽

10.1080/16843703.2014.11673342 ◽

2014 ◽

Vol 11 (3) ◽

pp. 245-254 ◽

Cited By ~ 10

Author(s):

Chun-Yuan Cheng ◽

XuFeng Zhao ◽

Mingchih Chen ◽

Te-Hsiu Sun

Keyword(s):

Failure Rate ◽

Finite Time ◽

Preventive Maintenance ◽

Initial Time ◽

Rate Reduction ◽

Time Period ◽

Periodic Preventive Maintenance ◽

Maintenance Model

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A Dynamic Reliability-Centered Maintenance Analysis Method for Natural Gas Compressor Station Based on Diagnostic and Prognostic Technology

Journal of Engineering for Gas Turbines and Power ◽

10.1115/1.4031644 ◽

2015 ◽

Vol 138 (6) ◽

Cited By ~ 8

Author(s):

Dengji Zhou ◽

Huisheng Zhang ◽

Yi-Guang Li ◽

Shilie Weng

Keyword(s):

Natural Gas ◽

Preventive Maintenance ◽

Condition Based Maintenance ◽

Equipment Management ◽

Analysis Method ◽

Dynamic Reliability ◽

Maintenance Schedule ◽

Reliability Centered Maintenance ◽

Maintenance Decision ◽

Maintenance Model

The availability requirement of natural gas compressors is high. Thus, current maintenance architecture, combined periodical maintenance and simple condition based maintenance, should be improved. In this paper, a new maintenance method, dynamic reliability-centered maintenance (DRCM), is proposed for equipment management. It aims at expanding the application of reliability-centered maintenance (RCM) in maintenance schedule making to preventive maintenance decision-making online and seems suitable for maintenance of natural gas compressor stations. A decision diagram and a maintenance model are developed for DRCM. Then, three application cases of DRCM for actual natural gas compressor stations are shown to validate this new method.

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