An engine fault diagnosis system using intake manifold pressure signal and Wigner-Ville distribution technique

Jian Da Wu, Cheng Kai Huang

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

This paper proposed an engine fault diagnosis system based on intake manifold pressure signal and artificial neural network with the Wigner-Ville distribution technique. Traditionally, the engine diagnostic method depends on the experience of the technician, but some faults might be inaccurately judged by the technician's experience when the engine is operating. In the present study, an engine platform diagnosis system using intake manifold pressure was developed. The algorithm of the proposed system consisted of Wigner-Ville distribution (WVD) for feature extraction and the neural network technique for fault classification. In previous work, the Wigner-Ville distribution was often used to analyze the non-stationary signal, because it provides a simple and clear energy spectrum diagram both in the time and frequency domains. This instantaneous energy diagram presented the magnitude of each engine fault under various operating conditions. The Wigner-Ville distribution extracts these features as database input to a neural network and the neural network is used to develop the training and testing modules. To prove the efficiency of the neural network, both the radial basis function neural network and generalized regression neural network are used and compared. The experimental results demonstrated the proposed system is effective and the performance is satisfactory.

Original languageEnglish
Pages (from-to)536-544
Number of pages9
JournalExpert Systems with Applications
Volume38
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

Fingerprint

Wigner-Ville distribution
Intake systems
Failure analysis
Engines
Neural networks
Feature extraction
Testing

All Science Journal Classification (ASJC) codes

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

Cite this

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An engine fault diagnosis system using intake manifold pressure signal and Wigner-Ville distribution technique. / Wu, Jian Da; Huang, Cheng Kai.

In: Expert Systems with Applications, Vol. 38, No. 1, 01.01.2011, p. 536-544.

Research output: Contribution to journalArticle

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