基于本征正交分解的风电机组结构在线状态监测

金晓航; 杨昊旋; 郭远晶; 张杰; 彭光健; 翁泽宇

doi:10.19912/j.0254-0096.tynxb.2024-0119

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太阳能学报 ›› 2025, Vol. 46 ›› Issue (5) : 547-555. DOI: 10.19912/j.0254-0096.tynxb.2024-0119

基于本征正交分解的风电机组结构在线状态监测

金晓航^1~3, 杨昊旋², 郭远晶⁴, 张杰¹, 彭光健^2,3, 翁泽宇^2,3

作者信息 +

CONDITION MONITORING OF WIND TURBINE STRUCTURE COMPONENTS BASED ON PROPER ORTHOGONAL DECOMPOSITION

Jin Xiaohang^1~3, Yang Haoxuan², Guo Yuanjing⁴, Zhang Jie¹, Peng Guangjian^2,3, Weng Zeyu^2,3

Author information +

文章历史 +

摘要

为掌握风电机组结构健康状态信息,降低运维成本,避免倒塔、叶片断裂等重大故障的发生,提出一种基于本征正交分解的风电机组大型结构部件的状态监测方法。所提方法使用本征正交分解对结构有限元模型进行降维分析,可减少计算成本,达到在线监测的目的。针对塔筒与叶片的实际情况,分别构建有限元模型并降阶：将塔筒简化为梁的静力学问题,使用本征正交分解构建降阶模型,搭建试验平台验证方法的可行性;将叶片简化为中心刚体-柔性梁模型,通过模型的降阶分析,快速计算获取叶片的瞬态响应。通过与其他方法的对比分析以及结果的讨论,表明所提方法可有效实现风电机组结构部件健康状态的在线监测。

Abstract

In order to monitor the health status of wind turbine structure, reduce operation and maintenance costs, and avoid failures such as tower collapse and blade breakage, a condition monitoring approach for wind turbines is proposed. The proposed approach employs proper orthogonal decomposition （POD） to perform dimensionality reduction analysis on the finite element model. It reduces the computational costs to achieve the online monitoring goal. Finite element models are constructed and analyzed based on the actual conditions of the tower and blades, respectively. The tower is simplified as a beam for static analysis. uses POD is used to create a reduced-order model, and an experimental platform is established to validate the reduced-order model. The blade is simplified as a central rigid-flexible beam model. The transient response of the blade can be analyzed using the reduced order model. Comparative analysis and discussion of the results indicate that the proposed approach enables online monitoring of the health status of wind turbine structural components.

导出引用

金晓航, 杨昊旋, 郭远晶, 张杰, 彭光健, 翁泽宇. 基于本征正交分解的风电机组结构在线状态监测[J]. 太阳能学报. 2025, 46(5): 547-555 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0119

Jin Xiaohang, Yang Haoxuan, Guo Yuanjing, Zhang Jie, Peng Guangjian, Weng Zeyu. CONDITION MONITORING OF WIND TURBINE STRUCTURE COMPONENTS BASED ON PROPER ORTHOGONAL DECOMPOSITION[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 547-555 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0119

中图分类号： TH17

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