Application of the Continuous Wavelet Transform to Bearing Defect Diagnosis

[+] Author and Article Information
Ying Tang

Faculty of Mechanical Engineering, Beijing Science and Technology University, University Road 23, Beijing, P.R. China 100083

Qiao Sun

Department Mechanical and Manufacturing Engineering, University of Calgary, 2500 University Dr., N.W., Calgary, Alberta, Canada T2N 1N4

J. Tribol 125(4), 871-873 (Sep 25, 2003) (3 pages) doi:10.1115/1.1576814 History: Received July 02, 2002; Revised March 25, 2003; Online September 25, 2003
Copyright © 2003 by ASME
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Tandon,  N., and Choudhury,  A., 1999, “A Review of Vibration and Acoustic Measurement Methods for the Detection of Defects in Rolling Element Bearings,” Tribol. Int., 32, pp. 469–480.
Howard, I., 1994, “A Review of Rolling Element Bearing Vibration—Detection, Diagnosis and Prognosis,” Technical Report DSTO-RR-0013, Defense Science and Technology Organization, Australia.
Prabhakar,  S., Monhanty,  A. R., and Sekhar,  A. S., 2002 “Application of Discrete Wavelet Transform for Detection of Ball Bearing Race Faults,” Tribol. Int., 35, pp. 793–800.
Burrus, C. S., Gopinath, R. A., and Guo, H., 1998, Introduction to Wavelets and Wavelet transforms, Prentice Hall.


Grahic Jump Location
Single Outer Race Spall
Grahic Jump Location
Time Series from Bearing with Single Cup Spall at 80 mph
Grahic Jump Location
CWT of the Signal in Fig. 2
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Decomposed Signal in Fig. 3 at s=0.15
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Multiple Inner Race Spalls
Grahic Jump Location
Time Series from Bearing with Multiple Cone Spalls
Grahic Jump Location
Decomposed Signal in Fig. 6 at s=0.075



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