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Equivalent comfort contours for fore-and-aft, lateral, and vertical whole-body vibration in the frequency range 1.0 to 10 Hz

Equivalent comfort contours for fore-and-aft, lateral, and vertical whole-body vibration in the frequency range 1.0 to 10 Hz
Equivalent comfort contours for fore-and-aft, lateral, and vertical whole-body vibration in the frequency range 1.0 to 10 Hz
Standards assume vibration discomfort depends on the frequency and direction of whole-body vibration, with the same weightings for frequency and direction at all magnitudes. This study determined equivalent comfort contours from 1.0 to 10Hz in each of three directions (fore-and-aft, lateral, vertical) at magnitudes in the range 0.1 to 3.5ms2 r.m.s. Twenty-four subjects sat on a rigid flat seat with and without a beanbag, altering the pressure distribution on the seat but not the transmission of vibration. The rate of growth of vibration discomfort with increasing magnitude of vibration differed between the directions of vibration and varied with the frequency of vibration. The frequency-dependence and direction-dependence of discomfort, therefore, depended on the magnitude of vibration. The beanbag did not affect the frequency-dependence or direction dependence of vibration discomfort. It is concluded that different weightings for the frequency and direction of vibration are required for low and high magnitude vibration.
Vibration discomfort, whole-body vibration;, frequency weightings;, direction weightings, vibration standards
1366-5847
1-16
Arnold, James Joseph
c48dc46f-5243-4ca2-a7e2-6b8b1c3b861a
Griffin, Michael
24112494-9774-40cb-91b7-5b4afe3c41b8
Arnold, James Joseph
c48dc46f-5243-4ca2-a7e2-6b8b1c3b861a
Griffin, Michael
24112494-9774-40cb-91b7-5b4afe3c41b8

Arnold, James Joseph and Griffin, Michael (2018) Equivalent comfort contours for fore-and-aft, lateral, and vertical whole-body vibration in the frequency range 1.0 to 10 Hz. Ergonomics, 1-16. (doi:10.1080/00140139.2018.1517900).

Record type: Article

Abstract

Standards assume vibration discomfort depends on the frequency and direction of whole-body vibration, with the same weightings for frequency and direction at all magnitudes. This study determined equivalent comfort contours from 1.0 to 10Hz in each of three directions (fore-and-aft, lateral, vertical) at magnitudes in the range 0.1 to 3.5ms2 r.m.s. Twenty-four subjects sat on a rigid flat seat with and without a beanbag, altering the pressure distribution on the seat but not the transmission of vibration. The rate of growth of vibration discomfort with increasing magnitude of vibration differed between the directions of vibration and varied with the frequency of vibration. The frequency-dependence and direction-dependence of discomfort, therefore, depended on the magnitude of vibration. The beanbag did not affect the frequency-dependence or direction dependence of vibration discomfort. It is concluded that different weightings for the frequency and direction of vibration are required for low and high magnitude vibration.

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JJA MJG ERGONOMICS 2018 - Version of Record
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Accepted/In Press date: 23 August 2018
e-pub ahead of print date: 21 November 2018
Keywords: Vibration discomfort, whole-body vibration;, frequency weightings;, direction weightings, vibration standards

Identifiers

Local EPrints ID: 426338
URI: https://eprints.soton.ac.uk/id/eprint/426338
ISSN: 1366-5847
PURE UUID: 365ce525-20ef-4e1a-999c-6a840fc16cd4
ORCID for James Joseph Arnold: ORCID iD orcid.org/0000-0003-1987-515X
ORCID for Michael Griffin: ORCID iD orcid.org/0000-0003-0743-9502

Catalogue record

Date deposited: 23 Nov 2018 17:30
Last modified: 14 Mar 2019 01:56

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