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作者:

Cui, Ling-Li (Cui, Ling-Li.) (学者:崔玲丽) | Gao, Li-Xin (Gao, Li-Xin.) | Cai, Li-Gang (Cai, Li-Gang.) (学者:蔡力钢) | Zhang, Jian-Yu (Zhang, Jian-Yu.) | Xu, Yong-Gang (Xu, Yong-Gang.)

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摘要:

Gear tooth crack fault signal is very weak when the crack is in early stage. To extract early gear tooth crack fault feature effectively, an early fault diagnosis method is put forward based on the cyclostationary demodulation. In this method, the gear meshing harmonics are first removed from the vibration signal to generate the residual signal. The residual signal is then analyzed by using the cyclostationary demodulation method. Simulation results and actual engineering diagnosis example demonstrate that the demodulation analysis method proposed in this paper can extract the early crack fault feature of gear from complicated vibration signals successfully. It is more favourable to detect the early fault and judge the fault degree.

关键词:

Demodulation Failure analysis Fault detection Gear teeth Optical variables measurement Vibration analysis

作者机构:

  • [ 1 ] [Cui, Ling-Li]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
  • [ 2 ] [Gao, Li-Xin]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
  • [ 3 ] [Cai, Li-Gang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
  • [ 4 ] [Zhang, Jian-Yu]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
  • [ 5 ] [Xu, Yong-Gang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China

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来源 :

Journal of Vibration Engineering

ISSN: 1004-4523

年份: 2008

期: 3

卷: 21

页码: 274-278

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