Separation of acoustic emission signals from small size multi-cylinder diesel engine
Wu, William & Tan, Andy (2011) Separation of acoustic emission signals from small size multi-cylinder diesel engine. In The 6th World Congress on Engineering Asset Management, October 2-4, 2011, Duke Energy Convention Center, Cincinnati, OH.
This paper presents techniques which can lead to diagnosis of faults in a small size multi-cylinder diesel engine. Preliminary analysis of the acoustic emission (AE) signals is outline, including time-frequency analysis and selection of optimum frequency band.The results of applying mean field independent component analysis (MFICA) to separate the AE root mean square (RMS) signals and the effects of changing parameter values are also outlined. The results on separation of RMS signals show thsi technique has the potential of increasing the probability to successfully identify the AE events associated with the various mechanical events within the combustion process of multi-cylinder diesel engines.
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|Item Type:||Conference Paper|
|Keywords:||Diesel Engine, Acoustic Emission, Diagnosis|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering|
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||21 Mar 2012 07:48|
|Last Modified:||21 Mar 2012 07:48|
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