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基于信号模型与阶次分析的风力发电机组齿轮箱故障诊断
Authors
徐浩
李方义
+4 more
王黎明
田家彬
聂延艳
陈孝旭
Publication date
1 January 2022
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
针对传统的频谱分析方法在非平稳工况下导致的“频谱模糊”现象,利用信号模型和阶次分析的方法对风电机组齿轮箱进行了故障诊断研究。建立了非平稳工况下齿轮箱高速级的振动信号模型,推导了其时频谱及阶次谱结构,利用阶次分析的方法分析了振动信号的阶次谱,提取了齿轮故障特征。最后,利用真实风场齿轮箱振动数据进行分析,对齿轮箱故障进行了准确识别
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Last time updated on 06/04/2023