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Teager-Huang变换在齿轮裂纹故障诊断中的应用
引用本文:李辉,郑海起,唐力伟.Teager-Huang变换在齿轮裂纹故障诊断中的应用[J].振动.测试与诊断,2010,30(1):1-5.
作者姓名:李辉  郑海起  唐力伟
作者单位:1. 石家庄铁路职业技术学院机电工程系,石家庄,050041
2. 军械工程学院一系,石家庄,050003
基金项目:国家自然科学基金资助项目 
摘    要:提出了一种基于Teager-Huang变换的齿轮箱故障诊断方法,该方法综合利用了经验模态分解(empiricalmode decomposition,简称EMD)和Teager能量算子分析技术。由于EMD方法具有自适应的分析能力,首先利用EMD把时间序列信号分解成不同特征时间尺度的固有模态函数,然后用Teager能量算子计算各固有模态函数的瞬时幅值和瞬时频率,得到Teager-Huang变换时频谱。齿轮箱齿轮裂纹故障振动试验信号的研究结果表明:Teager-Huang变换时频谱优于Hilbert-Huang变换时频谱,能有效地识别齿轮的裂纹故障。

关 键 词:Teager—Huang变换  经验模态分解  故障诊断  齿轮  时频分析

Application of Teager-Huang Transform to Crack Fault Diagnosis of Gear
Li Hui,Zheng Haiqi,Tang Liwei.Application of Teager-Huang Transform to Crack Fault Diagnosis of Gear[J].Journal of Vibration,Measurement & Diagnosis,2010,30(1):1-5.
Authors:Li Hui  Zheng Haiqi  Tang Liwei
Affiliation:Li Hui1,Zheng Haiqi2,Tang Liwei2(1Department of Electromechanical Engineering,Shijiazhuang Institute of RailwayTechnology Shijiazhuang,050041,China)(2The First Department,Ordnance Engineering College Shijiazhuang,050003,China)
Abstract:A new approach to crack fault diagnosis of a gear based on the Teager-Huang transform is presented.This method integrates the empirical mode decomposition(EMD)with the Teager Kaiser energy operator(TKEO)technique.The EMD method is self-adaptive to non-stationary and non-linear signal analyses.The method developed in this paper decomposes original times series data into a series of zero mean amplitude modulation-frequency modulation(AM-FM)intrinsic mode functions(IMFs)by using EMD.TKEO can track the instanta...
Keywords:Teager-Huang transform  empirical mode decomposition  faults diagnosis  gear  time-fre-quency analysis
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