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Diesel Engine Air-borne Acoustic Signals Analysis Using Continuous Wavelet Transform

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Diesel Engine Air-borne Acoustic Signals Analysis Using Continuous Wavelet Transform


Topics
Air-borne Acoustic Signals, Continuous Wavelet Transform (CWT), Diesel Engines, Engine Noise
Collection
folkscanomy_academic; folkscanomy; additional_collections
Language
English
This paper studies the characteristics of Diesel engine airborne acoustic signals using time-frequency domain 
techniques. One analysis technique is investigated: 
Continuous Wavelet Transform (CWT) which is reviewed 
from the mathematical point of view,  based on  its 
developmental stages, drawbacks and the subsequent 
improvements. 
The detection capabilities of this technique are evaluated
using air-borne acoustic signals collected from diesel engine 
in acoustically untreated laboratory.
Some engine  conditions and  faults are investigated using 
CWT techniques. The achieved results prove the technique’s 
sensitivity to engine’s  speed and load variations. More 
important, the CWT shows excellent capabilities in detecting 
engine’s injection process and lubrication related faults at 
early stages. At the end of the paper, summary is given.
Addeddate
2013-12-25 08:23:54
Identifier
AIAA10014
Identifier-ark
ark:/13960/t75t6333v
Ocr
ABBYY FineReader 9.0
Pages
6
Ppi
300
Scanner
Internet Archive HTML5 Uploader 1.4.2

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