Diagnosis Method for the Train's Bearing Frequency Spectrum-varying Fault

WANG Jing; CHEN Te-fang; HUANG Cai-lun; ZHOU Hua

doi:10.3969/j.issn.0254-0037.2012.05.008

Journal of Beijing University of Technology > 2012 > 38(5): 678-682. > DOI: 10.3969/j.issn.0254-0037.2012.05.008

WANG Jing, CHEN Te-fang, HUANG Cai-lun, ZHOU Hua. Diagnosis Method for the Train's Bearing Frequency Spectrum-varying Fault[J]. Journal of Beijing University of Technology, 2012, 38(5): 678-682. DOI: 10.3969/j.issn.0254-0037.2012.05.008

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Diagnosis Method for the Train's Bearing Frequency Spectrum-varying Fault

1. School of Traffic and Transportation, Central South University, Changsha 410075, China;
2. Provincial Key Laboratory of Machinery and Equipment Health Maintenance, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China

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Received Date: August 01, 2010
Available Online: December 02, 2022

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Abstract

To solve the problems of the conventional spectral analysis method in train bearing fault diagnosis that always lead to misdiagnosis and missed diagnosis,the paper analyzes the vibration mechanism of the train bearing spectrum-varying fault,and proposes a diagnosis method based on data interpolation re-sampling analysis.The train bearing's vibration integral periodic and equal angle signal is collected through the pulse-triggered sampling method which is researched in this paper.Through the data interpolation and characteristic spectral identification method,the train's vibration frequency spectrum-varying fault is easy to be diagnosed.Simulation analysis and experimental results show that this diagnostic method can accurately and effectively identify the train early bearing fault.

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