The Acoustics Fault Diagnosis of Bearings Based on Wavelet and EMD

Wei Jin Ma; Mi Rui Wang; Feng Lan Li; Jun Yuan Wang

doi:10.4028/www.scientific.net/AMR.631-632.1457

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The Acoustics Fault Diagnosis of Bearings Based on Wavelet and EMD
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 631-632The Acoustics Fault Diagnosis of Bearings Based on...

The Acoustics Fault Diagnosis of Bearings Based on Wavelet and EMD

Abstract:

The wavelet and EMD method are taken in order to accurately extract the fault information from the audio signal with a lot of noise. The bearings were studied for the object. This paper proposed a method based on wavelet and EMD frequency characteristics of the acoustic signal information extraction, and the method used in bearing fault feature extraction. The experimental results show that: the method can effectively extract the fault characteristic frequency of bearing.

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Periodical:

Advanced Materials Research (Volumes 631-632)

Pages:

1457-1460

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.631-632.1457

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Online since:

January 2013

Authors:

Wei Jin Ma, Mi Rui Wang, Feng Lan Li, Jun Yuan Wang

Keywords:

Acoustic, Bearings, Empirical Mode Decomposition (EMD), Fault Diagnosis, Wavelet

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