An investigation into the fault detection of machines based on acoustic array systems

J. Jiang, F. Gu, D. J. Moore, A. D. Ball, K. Liu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Acoustic condition monitoring (CM) has a number of significant merits such as remote measurement and rich information content. In recent years it has been gaining increasing attention because of the rapid development in sensing and processing methods for interference noise suppression and demands for accurate CM. In this paper, a new acoustic detection scheme is investigated based on array technology. The scheme uses only a small number of microphones (about 5), which is easy and realistic to implement in CM, compared with conventional array applications. The capabilities of different small array configurations are studied theoretically in terms of detection accuracy and potential diagnosis capabilities. Numerical simulations have shown that a 5-sensor tetrahedron array produces high accuracy for source identification and fault detection. Based on this array configuration, an acoustic CM system is developed and embedded with array technologies, advanced signal processing and pattern recognition. Experimental results show that this system has a great potential in detecting machine faults in an industrial environment.

Original languageEnglish
Title of host publication14th International Congress on Sound and Vibration 2007
Pages4272-4279
Number of pages8
Volume5
Publication statusPublished - 1 Dec 2007
Externally publishedYes
Event14th International Congress on Sound and Vibration - Cairns, Australia
Duration: 9 Jul 200712 Jul 2007
Conference number: 14

Conference

Conference14th International Congress on Sound and Vibration
Abbreviated titleICSV 2007
CountryAustralia
CityCairns
Period9/07/0712/07/07

Fingerprint

fault detection
acoustics
sound detecting and ranging
configurations
microphones
tetrahedrons
pattern recognition
signal processing
retarding
interference
sensors
simulation

Cite this

Jiang, J., Gu, F., Moore, D. J., Ball, A. D., & Liu, K. (2007). An investigation into the fault detection of machines based on acoustic array systems. In 14th International Congress on Sound and Vibration 2007 (Vol. 5, pp. 4272-4279)
Jiang, J. ; Gu, F. ; Moore, D. J. ; Ball, A. D. ; Liu, K. / An investigation into the fault detection of machines based on acoustic array systems. 14th International Congress on Sound and Vibration 2007. Vol. 5 2007. pp. 4272-4279
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Jiang, J, Gu, F, Moore, DJ, Ball, AD & Liu, K 2007, An investigation into the fault detection of machines based on acoustic array systems. in 14th International Congress on Sound and Vibration 2007. vol. 5, pp. 4272-4279, 14th International Congress on Sound and Vibration, Cairns, Australia, 9/07/07.

An investigation into the fault detection of machines based on acoustic array systems. / Jiang, J.; Gu, F.; Moore, D. J.; Ball, A. D.; Liu, K.

14th International Congress on Sound and Vibration 2007. Vol. 5 2007. p. 4272-4279.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Jiang J, Gu F, Moore DJ, Ball AD, Liu K. An investigation into the fault detection of machines based on acoustic array systems. In 14th International Congress on Sound and Vibration 2007. Vol. 5. 2007. p. 4272-4279