Rouillard, Vincent (2009) Statistical Models for Nonstationary and Non-Gaussian Road Vehicle Vibrations. Engineering Letters, 17 (4). pp. 1-11. ISSN 1816-093X

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Abstract

This paper presents some of the outcomes of a research project concerned with the development of a method for synthesizing, under controlled conditions in the laboratory, the random vibrations generated by road transport vehicles. Firstly, the paper deals with the development of a technique for decomposing non-stationary random vibration signals into constituent Gaussian elements. The hypothesis that random non-stationary vehicle vibrations are essentially composed of a sequence of zero-mean random Gaussian processes of varying standard deviations is tested and the paper reveals that the variations in the magnitude of the vibrations are the cause of the leptokurtic, non-Gaussian nature of the process. It is shown how non-stationary vibration signals can be systematically decomposed into these independent random Gaussian elements by means of a numerical curve-fitting procedure...

Item Type:	Article
Uncontrolled Keywords:	ResPubID19197, Gaussian vibrations, non-stationary vibrations, random vibrations, vehicle vibrations
Subjects:	Faculty/School/Research Centre/Department > School of Engineering and Science FOR Classification > 0913 Mechanical Engineering
Related URLs:	http://www.engineeringletters.com/issues_v17/issue_4/index.h...
Depositing User:	VUIR
Date Deposited:	17 May 2012 05:13
Last Modified:	17 May 2012 05:13
URI:	http://vuir.vu.edu.au/id/eprint/4559
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Citations in Scopus:	9 - View on Scopus

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