Fault diagnosis of internal combustion engines using visual dot patterns of acoustic and vibration signals

Jian Da Wu, Chao Qin Chuang

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

An investigation of the fault diagnosis technique in internal combustion engines based on the visual dot pattern of acoustic and vibration signals is presented in this paper. Acoustic emissions and vibration signals are well known as being able to be used for monitoring the conditions of rotating machineries. Most of the conventional methods for fault diagnosis using acoustic and vibration signals are primarily based on observing the amplitude differences in the time or frequency domain. Unfortunately, the signals caused by damaged elements, such as those buried in broadband background noise or from smearing problems arising in practical applications, particularly at low revolution, are not always available. In the present study, a visual dot pattern technique is proposed to identify the acoustic emission and vibration signals for fault diagnosis in an internal combustion engine and drive axle shaft. Experiments are carried out to evaluate the proposed system for fault diagnosis under various fault conditions. The experimental results indicate that the proposed technique is effective in the fault diagnosis of an internal combustion engine and drive axle shaft.

Original languageEnglish
Pages (from-to)605-614
Number of pages10
JournalNDT and E International
Volume38
Issue number8
DOIs
Publication statusPublished - 2005 Dec 1

Fingerprint

internal combustion engines
Internal combustion engines
Vibrations (mechanical)
Failure analysis
Acoustics
vibration
Drive axles
acoustics
acoustic emission
Acoustic emissions
sound waves
background noise
broadband
Monitoring
Experiments

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering

Cite this

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abstract = "An investigation of the fault diagnosis technique in internal combustion engines based on the visual dot pattern of acoustic and vibration signals is presented in this paper. Acoustic emissions and vibration signals are well known as being able to be used for monitoring the conditions of rotating machineries. Most of the conventional methods for fault diagnosis using acoustic and vibration signals are primarily based on observing the amplitude differences in the time or frequency domain. Unfortunately, the signals caused by damaged elements, such as those buried in broadband background noise or from smearing problems arising in practical applications, particularly at low revolution, are not always available. In the present study, a visual dot pattern technique is proposed to identify the acoustic emission and vibration signals for fault diagnosis in an internal combustion engine and drive axle shaft. Experiments are carried out to evaluate the proposed system for fault diagnosis under various fault conditions. The experimental results indicate that the proposed technique is effective in the fault diagnosis of an internal combustion engine and drive axle shaft.",
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Fault diagnosis of internal combustion engines using visual dot patterns of acoustic and vibration signals. / Wu, Jian Da; Chuang, Chao Qin.

In: NDT and E International, Vol. 38, No. 8, 01.12.2005, p. 605-614.

Research output: Contribution to journalArticle

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