Faulted gear identification of a rotating machinery based on wavelet transform and artificial neural network

Jian Da Wu, Jian Ji Chan

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

In this paper, a condition monitoring and faults identification technique for rotating machineries using wavelet transform and artificial neural network is described. Most of the conventional techniques for condition monitoring and fault diagnosis in rotating machinery are based chiefly on analyzing the difference of vibration signal amplitude in the time domain or frequency spectrum. Unfortunately, in some applications, the vibration signal may not be available and the performance is limited. However, the sound emission signal serves as a promising alternative to the fault diagnosis system. In the present study, the sound emission of gear-set is used to evaluate the proposed fault diagnosis technique. In the experimental work, a continuous wavelet transform technique combined with a feature selection of energy spectrum is proposed for analyzing fault signals in a gear-set platform. The artificial neural network techniques both using probability neural network and conventional back-propagation network are compared in the system. The experimental results pointed out the sound emission can be used to monitor the condition of the gear-set platform and the proposed system achieved a fault recognition rate of 98% in the experimental gear-set platform.

Original languageEnglish
Pages (from-to)8862-8875
Number of pages14
JournalExpert Systems with Applications
Volume36
Issue number5
DOIs
Publication statusPublished - 2009 Jul 1

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Rotating machinery
Wavelet transforms
Gears
Failure analysis
Neural networks
Acoustic waves
Condition monitoring
Backpropagation
Feature extraction

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Computer Science Applications
  • Artificial Intelligence

Cite this

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Faulted gear identification of a rotating machinery based on wavelet transform and artificial neural network. / Wu, Jian Da; Chan, Jian Ji.

In: Expert Systems with Applications, Vol. 36, No. 5, 01.07.2009, p. 8862-8875.

Research output: Contribution to journalArticle

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