An Approach to the Characteristic Spectrum Analysis for Train Wheelset Fault Diagnosis

Jian Zhang; Cai Lun Huang; Shao Wu Zhou

doi:10.4028/www.scientific.net/KEM.460-461.153

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 460-461An Approach to the Characteristic Spectrum...

An Approach to the Characteristic Spectrum Analysis for Train Wheelset Fault Diagnosis

Abstract:

In the view of the fact that the information of the fault characteristic of the train wheelset is submerged into the background noises and the conventional spectral analysis method has its own deficiency due to the fuzzy spectrum value created by the load variation and rotation speed fluctuation, the paper proposes a method of the characteristic spectrum analysis of the on-line fault diagnosis of the train wheelset. And the correspondent system is developed to meet the practical application. In the paper, the issues such as the signal sampling, signal processing and the inhabitation of the characteristic spectrum leakage besides the principle of the new method. The application indicates the method is reliable and effective since it can describe the fault characteristic more exactly than any other conventional ones.

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Periodical:

Key Engineering Materials (Volumes 460-461)

Pages:

153-158

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.460-461.153

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Online since:

January 2011

Authors:

Jian Zhang, Cai Lun Huang, Shao Wu Zhou

Keywords:

Characteristic Spectrum Analysis, Fault Diagnosis, Full Period, Uniform Angle Sampling, Wheelset Bearing

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