The acoustic emission (AE) technology is growing in its applicability to bearing defect diagnosis. Several publications have shown its effectiveness for earlier detection of bearing defects than vibration analysis. In the latter instance, detection and monitoring of defects can be achieved through temporal statistical indicators, which can further be improved by application of denoising techniques. This paper investigates the application of temporal statistical indicators for AE detection of bearing defects on a purposely built test-rig and assesses the effectiveness of various denoising techniques in improving sensitivity to early defect detection. It is concluded that the denoising methods offer significant improvements in identifying defects with AE, especially the self-adaptive noise cancellation method.
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e-mail: xavier.chiementin@univ-reims.fr
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June 2010
Research Papers
Effect of the Denoising on Acoustic Emission Signals
X. Chiementin,
X. Chiementin
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
e-mail: xavier.chiementin@univ-reims.fr
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, France
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D. Mba,
D. Mba
Turbomachinery Group, School of Engineering,
Cranfield University
, Cranfield, Bedfordshire MK43 0AL, UK
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B. Charnley,
B. Charnley
Turbomachinery Group, School of Engineering,
Cranfield University
, Cranfield, Bedfordshire MK43 0AL, UK
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S. Lignon,
S. Lignon
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, France
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J. P. Dron
J. P. Dron
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, France
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X. Chiementin
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, Francee-mail: xavier.chiementin@univ-reims.fr
D. Mba
Turbomachinery Group, School of Engineering,
Cranfield University
, Cranfield, Bedfordshire MK43 0AL, UK
B. Charnley
Turbomachinery Group, School of Engineering,
Cranfield University
, Cranfield, Bedfordshire MK43 0AL, UK
S. Lignon
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, France
J. P. Dron
GRESPI, Groupe de Recherche En Sciences Pour l'Ingénieur,
Université de Reims Champagne-Ardenne
, Moulin de la Housse, 51687 Reims Cedex 2, FranceJ. Vib. Acoust. Jun 2010, 132(3): 031009 (9 pages)
Published Online: April 28, 2010
Article history
Received:
May 20, 2009
Revised:
October 8, 2009
Online:
April 28, 2010
Published:
April 28, 2010
Citation
Chiementin, X., Mba, D., Charnley, B., Lignon, S., and Dron, J. P. (April 28, 2010). "Effect of the Denoising on Acoustic Emission Signals." ASME. J. Vib. Acoust. June 2010; 132(3): 031009. https://doi.org/10.1115/1.4000789
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