Pattern Recognition for Automatic Machinery Fault Diagnosis

Author:

Sun Qiao1,Chen Ping1,Zhang Dajun1,Xi Fengfeng2

Affiliation:

1. Dept of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta, Canada T2N 1N4

2. Dept of Mechanical, Aerospace, and Industrial Eng., Ryerson University, Toronto, Ontario, Canada M5B 2K3

Abstract

We present a generic methodology for machinery fault diagnosis through pattern recognition techniques. The proposed method has the advantage of dealing with complicated signatures, such as those present in the vibration signals of rolling element bearings with and without defects. The signature varies with the location and severity of bearing defects, load and speed of the shaft, and different bearing housing structures. More specifically, the proposed technique contains effective feature extraction, good learning ability, reliable feature fusion, and a simple classification algorithm. Examples with experimental testing data were used to illustrate the idea and effectiveness of the proposed method.

Publisher

ASME International

Subject

General Engineering

Reference13 articles.

1. Howard, I., 1994, “A Review of Rolling Element Bearing Vibration—Detection, Diagnosis and Prognosis,” Defense Science and Technology Organization, Australia.

2. Li, C. Q., and Pickering, C. J. D., 1992, “Robustness and Sensitivity of Non-Dimensional Amplitude Parameters for Diagnosis of Fatigue Spalling,” Condition Monitoring and Diagnostic Technology, 2(3), pp. 81–84.

3. McFadden, P. D., and Smith, J. D., 1984, “Vibration Monitoring of Rolling Element Bearings by the High Frequency Resonance Technique—A Review,” Tribol. Int., 17(1), pp. 3–10.

4. Sun, Q., and Ying, T., 2002, “Singularity Detection Using Continuous Wavelet Transform for Bearing Fault Diagnosis,” Mech. Syst. Signal Process., 16(6), pp. 1025–1041.

5. Xi, F., Sun, Q., and Krishnappa, G., 2000, “Bearing Diagnostics Based on Pattern Recognition of Statistical Parameters,” J. Vib. Control, 6, pp. 375–392.

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