Condition-based opportunistic maintenance strategy for multi-component wind turbines by using stochastic differential equations

The components of wind turbines are complex in structure and the working environment is harsh, which makes wind turbines face problems such as high failure rates and high maintenance costs. In this paper, the stochastic differential equation model has been established for the harsh operating environ...

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Bibliographic Details
Published in:Scientific reports 2024-01, Vol.14 (1), p.2390-2390, Article 2390
Main Authors: Su, Hongsheng, Cao, Qian, Li, Yuqi
Format: Article
Language:English
Subjects:
639/166/987
639/4077/909/4110
Bayesian analysis
Brownian motion
Differential equations
Failure
Humanities and Social Sciences
Maintenance costs
multidisciplinary
Preventive maintenance
Science
Science (multidisciplinary)
Stochasticity
Turbines
Wind farms
Wind power
Working conditions
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Summary:The components of wind turbines are complex in structure and the working environment is harsh, which makes wind turbines face problems such as high failure rates and high maintenance costs. In this paper, the stochastic differential equation model has been established for the harsh operating environment of wind turbines, and used Brownian motion to simulate random disturbances; aiming at the problem of high failure rate of wind turbines, based on Weibull distribution, a new model has been established by combining operating time and equipment state to calculate the failure rate; in the analysis of monitoring data, the Higher-Order Moment method and Bayesian method were used to solve the parameters. The opportunity maintenance threshold curve and preventive maintenance threshold curve were obtained by analyzing Time-Based Maintenance and Condition-Based Maintenance. Therefore, the Condition-Based Opportunistic Maintenance strategy was obtained. The effectiveness of the proposed method was finally verified by arithmetic examples.
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-51930-x