考虑外部冲击的风电机组机会维护策略研究

doi:10.3969/j.issn.1007-7375.2023.03.018

工业工程 ›› 2023, Vol. 26 ›› Issue (3): 159-167.doi: 10.3969/j.issn.1007-7375.2023.03.018

考虑外部冲击的风电机组机会维护策略研究

成卉, 刘勤明, 叶春明, 杨晓燕

上海理工大学管理学院，上海 200093

收稿日期:2021-10-04 发布日期:2023-07-08
作者简介:成卉(1997-),女,江苏省人,硕士研究生,主要研究方向为设备维护与决策。
基金资助:
国家自然科学基金资助项目(71632008；71840003)；上海市自然科学基金资助项目(19ZR1435600)；教育部人文社会科学研究规划基金资助项目(20YJAZH068)；2021年上海理工大学大学生创新创业训练计划资助项目(XJ2021195)；上海理工大学科技发展资助项目(2020KJFZ038)

An Opportunistic Maintenance Strategy for Wind Turbines under External Environment Shocks

CHENG Hui, LIU Qinming, YE Chunming, YANG Xiaoyan

Business School, University of Shanghai for Science and Technology, Shanghai 200093, China

Received:2021-10-04 Published:2023-07-08

摘要/Abstract

摘要： 考虑到风电机组外部运行环境复杂、维护费用高昂的特点，提出外部冲击作用下的风电机组机会维护策略。用Gamma过程表示系统自然退化过程，用非齐次Poisson过程描述外部环境带来的随机冲击，建立总退化量模型；用维护阈值和突发失效阈值作为双重约束来确定维护概率并得出期望维护费用的表达式；然后通过最优机会维护阈值间隔计算出最优期望维护费用。算例分析了不同影响因素下期望总维护费用与机会维护阈值间隔之间的关系。结果表明，在考虑外部随机冲击影响时的风电机组子系统的总退化量远高于自然退化时产生的退化量，这更符合风电机组运行的实际运行情况。

关键词: 风电机组, 随机过程, 外部冲击, 机会维护

Abstract: Considering the characteristics of complex external operating environment and expensive maintenance cost of wind turbines, an opportunistic maintenance strategy for wind turbines under external environment shocks is proposed. A total degradation model is established by using Gamma process to represent the natural degradation process of the systems and using non-homogeneous Poisson process to describe stochastic shocks caused by the external environment. The maintenance probability is determined and the expected maintenance cost is formulated with the maintenance threshold and the sudden failure threshold as dual constraints. Then, the optimal expected maintenance cost is calculated through the optimal opportunistic maintenance threshold interval. An example is given to analyze the relationship between the expected total maintenance cost and the opportunistic maintenance threshold interval with different influencing factors. Results show that the total degradation of a wind turbine subsystem considering external stochastic shocks is much higher than that considering natural degradation, which is more coincident to the actual operation of the wind turbines.

Key words: wind turbines, stochastic degradation, external shocks, opportunistic maintenance

中图分类号:

TP207

成卉, 刘勤明, 叶春明, 杨晓燕. 考虑外部冲击的风电机组机会维护策略研究[J]. 工业工程, 2023, 26(3): 159-167.

CHENG Hui, LIU Qinming, YE Chunming, YANG Xiaoyan. An Opportunistic Maintenance Strategy for Wind Turbines under External Environment Shocks[J]. Industrial Engineering Journal, 2023, 26(3): 159-167.

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考虑外部冲击的风电机组机会维护策略研究

An Opportunistic Maintenance Strategy for Wind Turbines under External Environment Shocks

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