A New Cepstral Analysis Procedure of Recovering Excitations for Transient Components of Vibration Signals and Applications to Rotating Machinery Condition Monitoring

[+] Author and Article Information
G. T. Zheng

Department of Astronautics and Applied Mechanics, Harbin Institute of Technology, Harbin, China

W. J. Wang

School of Engineering and Information Technology, University of Sussex, Brighton, UK

J. Vib. Acoust 123(2), 222-229 (Jan 01, 2001) (8 pages) doi:10.1115/1.1356696 History: Received July 01, 2000; Revised January 01, 2001
Copyright © 2001 by ASME
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Grahic Jump Location
The signal analysis of the simulated signal (a) The harmonic signal part (b) The signal (c) The spectrum of the signal (d) The cepstrum of the signal (e) The recovered signal with the inverse (f ) The recovered signal by removing harmonics from the signal (g) The transform of the harmonic signal part with the proposed approach (h) The transform of the signal with the proposed approach (i) The time-frequency distribution of the signal with the Gabor transform
Grahic Jump Location
The signal analysis of an unbalance vibration signal of a 200 MW steam turbine (a) The signal (b) The spectrum (c) The transform
Grahic Jump Location
The signal analysis of a rubbing vibration signal of a 200 MW steam turbine (a) The signal (b) The spectrum (c) The transform



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