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2014 | OriginalPaper | Chapter

Positioning of Singular Point of Motor Vibration Signal Based on Wavelet Transform

Authors : Dongdi Chen, Jin Zhao, Zhongyu Shen

Published in: Unifying Electrical Engineering and Electronics Engineering

Publisher: Springer New York

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Abstract

In order to position the singular points and irregular transient parts of the motor vibration signal, the principle of signal singularity detection based on wavelet transformation modulus maximum is presented in this chapter. And the multiplying detail signal multiplication method is adopted according to the signal singularity Lipschitz exponent and modulus maximum scale transform characteristics. Simulation signal and vibration signal experiment results show that the wavelet can accurately analyze the time distortion occurs. And by using the detail signal multiplication approach, the signals are enhanced while suppressing the noise, so as to achieve the accurate positioning of the singular points of the motor vibration signal.

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Metadata
Title
Positioning of Singular Point of Motor Vibration Signal Based on Wavelet Transform
Authors
Dongdi Chen
Jin Zhao
Zhongyu Shen
Copyright Year
2014
Publisher
Springer New York
DOI
https://doi.org/10.1007/978-1-4614-4981-2_147