On the Effects of Sampling Parameters when Surveying Distribution Vibrations

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Rouillard, Vincent and Lamb, Matthew (2008) On the Effects of Sampling Parameters when Surveying Distribution Vibrations. Packaging Technology and Science, 21 (8). pp. 467-477. ISSN 0894-3214 (print) 1099-1522 (online)

Abstract

This paper presents the initial outcomes of a study aimed at better understanding the effects of recording parameters on the outcomes of distribution surveys. With the advent of vibration recorders with increasing capacity, there has been a corresponding increase in the number of studies aimed at evaluating and characterizing the random vibrations generated by transport vehicles across a wide variety of distribution environments. Oftentimes, the sampling and recording parameters used in these studies are not given adequate attention, resulting in statistical estimates that are open to interpretation. The paper shows how the selection of the sampling and recording parameters can have signifi cant effects on much used descriptors of random vibration processes such as the average power spectral density (PSD), the peak-hold PSD and the root mean square distribution. The paper shows that the results of vibration surveys are most sensitive to the sampling period, especially when the vibrations are highly non-stationary. The paper concludes by making specifi c recommendations for confi guring high-capacity vibration recorders to ensure that vibration surveys yield statistically sound results.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/3917
DOI https://doi.org/10.1002/pts.827
Official URL http://onlinelibrary.wiley.com/doi/10.1002/pts.827...
Subjects Historical > Faculty/School/Research Centre/Department > School of Engineering and Science
Historical > FOR Classification > 0913 Mechanical Engineering
Historical > SEO Classification > 8801 Ground Transport
Keywords ResPubID14734, vibration survey, sampling parameters, average PSD 9 (power spectral density), RMS (root mean square) distribution, non-stationary
Citations in Scopus 24 - View on Scopus
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