Gearbox fault feature detection based on adaptive parameter identification with Morlet wavelet

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Scopus citations

Abstract

Localized defects in rotary machinery parts tend to result in impulse response in vibration signal, whose parameters provide a potential approach for localized fault diagnosis. A method combining the Morlet wavelet and Correlation Filtering, named Cyclic Morlet Wavelet Correlation Filtering (CMWCF), is proposed for identifying both the impulse response parameters and the cyclic period. Simulation study on cyclic impulse response signal with different SNR showed that CMWCF is effective in identifying the impulse response parameters and the cyclic period. Applications in gearbox vibration parameter identification for localized fault diagnosis showed that CMWCF is effective in identifying the parameters, and thus provides a feature detection method for gearbox fault diagnosis.

Original languageEnglish
Title of host publication2010 International Conference on Wavelet Analysis and Pattern Recognition, ICWAPR 2010
Pages409-414
Number of pages6
DOIs
StatePublished - 2010
Externally publishedYes
Event2010 8th International Conference on Wavelet Analysis and Pattern Recognition, ICWAPR 2010 - Qingdao, China
Duration: 11 Jul 201014 Jul 2010

Publication series

Name2010 International Conference on Wavelet Analysis and Pattern Recognition, ICWAPR 2010

Conference

Conference2010 8th International Conference on Wavelet Analysis and Pattern Recognition, ICWAPR 2010
Country/TerritoryChina
CityQingdao
Period11/07/1014/07/10

Keywords

  • Correlation filtering
  • Fault diagnosis
  • Gearbox
  • Impulse response
  • Morlet wavelet

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