Condition-based maintenance for the offshore wind turbine based on long short-term memory network

Yu Sun, Jichuan Kang, Liping Sun, Peng Jin and Xu Bai

Journal of Risk and Reliability, 2022, vol. 236, issue 4, 542-553

Abstract: This paper introduces a condition-based maintenance method combined with long short-term memory network for offshore wind turbine. According to the ranking of offshore wind turbine components using multiple indicators (failure rate, repair time, and maintenance cost), the optimization object focuses on four critical components, namely, rotor, pitch system, gearbox, and generator. Long short-term memory network is implemented to evaluate system condition and predict potential risks, then the preventive maintenance can be performed on the component that reaches the reliability threshold. The repair activity provides an advance maintenance opportunity for the other components, sharing the fix maintenance costs and the downtime. A maintenance decision process is presented in this paper, aiming to achieve the maximum cost savings. Calculated and comparative results demonstrate that the policy proposed in this article is superior in validity and accuracy.

Keywords: Offshore wind turbine; condition-based maintenance; long short-term memory network (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:risrel:v:236:y:2022:i:4:p:542-553

DOI: 10.1177/1748006X20965434

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