Internal Combustion Engine Noise Analysis With Time-Frequency Distribution-Reference-Cited by-同舟云学术

Internal Combustion Engine Noise Analysis With Time-Frequency Distribution

Published:2002-06-19 Issue:3 Volume:124 Page:645-649
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Zheng G. T.¹,Leung A. Y. T.²

Affiliation:

1. School of Astronautics, Beijing University of Aeronautics and Astronautics, Beijing, China 100083

2. School of Engineering, Manchester University, Manchester, UK

Abstract

An analysis procedure, using the time-frequency distribution, has been developed for the analysis of internal combustion engine noise signals. It provides an approach making use of advantages of both the linear time-frequency distribution and the bilinear time-frequency distribution but avoiding their disadvantages. In order to identify requirements on the time-frequency analysis and also correlate a time-frequency analysis result with noise sources, the composition of the noise signal is discussed first. With this discussion, a mathematical model has been suggested for the noise signal. An example of identifying noise sources and detecting the abnormal condition of an injector with the noise signal time-frequency distribution for a diesel engine is also provided.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/124/3/645/5643729/645_1.pdf

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5. Zheng, G. T., and McFadden, P. D., 1996, “A Time-Frequency Distribution for Analysis of Signals With Transient Components and Its Application to Early Gear Failure Detection,” Report OUEL 2088/96, Department of Engineering Science, University of Oxford, Oxford, UK.

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