Analysis of Residual Wavelet Scalogram for Machinery Fault Diagnosis

Lim Meng Hee; M. Salman Leong; K.H. Hui

doi:10.4028/www.scientific.net/AMR.845.113

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 845Analysis of Residual Wavelet Scalogram for...

Analysis of Residual Wavelet Scalogram for Machinery Fault Diagnosis

Abstract:

Wavelet analysis is a very useful tool for machinery faults diagnosis. However, actual application of wavelet analysis for machinery fault diagnosis in the field is still relatively rare. This is partly due to the fact that visual interpretation of wavelet results is often difficult and very challenging. This paper investigates an effective method to present wavelet analysis results in order to simplify the interpretation of wavelet analysis result for machinery faults diagnosis. Analysis of residual wavelet scalogram was proposed in this study as a mean to display and extract key faults signatures from raw sensor signals. Simulated signals were generated to test the feasibility of the proposed method. Test results showed that the proposed wavelet method provides a simple and more effective way to diagnose machinery faults.

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Periodical:

Advanced Materials Research (Volume 845)

Pages:

113-117

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.845.113

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Online since:

December 2013

Authors:

Lim Meng Hee*, M. Salman Leong, K.H. Hui

Keywords:

Coefficient, Fault Analysis, Machinery, Residual, Wavelet

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