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The vibration discomfort of standing people: Relative importance of fore-and-aft, lateral, and vertical vibration

The vibration discomfort of standing people: Relative importance of fore-and-aft, lateral, and vertical vibration
The vibration discomfort of standing people: Relative importance of fore-and-aft, lateral, and vertical vibration
Few studies have compared the discomfort caused by vibration in different directions, and few have investigated the vibration discomfort of standing people. This study was designed to compare the discomfort experienced by standing people exposed to sinusoidal vibration in the fore-and-aft, lateral, and vertical directions. Using the method of magnitude estimation, 12 subjects estimated the discomfort caused by 4-Hz sinusoidal vibration at 10 different magnitudes. At 4 Hz, subjects were less sensitive to lateral vibration than to fore-and-aft vibration (K(y)/K(x) = 0.71), and more sensitive to vertical vibration than to horizontal vibration (K(z)/K(x) = 1.95; K(z)/K(y) = 2.77). Previous findings showing how the discomfort of standing people depends on the frequency of fore-and-aft, lateral, and vertical vibration were used to define frequency weightings that reflect relative sensitivity to vibration in each direction. The frequency weightings differ from those appropriate for seated people, and differ from the weightings for standing people in current standards that were mostly derived from understanding of the discomfort of seated people.
vibration, discomfort, standing
0003-6870
902-908
Thuong, Oliver
57f6d5e1-0936-462b-a022-b5f5f23693ee
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8
Thuong, Oliver
57f6d5e1-0936-462b-a022-b5f5f23693ee
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8

Thuong, Oliver and Griffin, M.J. (2012) The vibration discomfort of standing people: Relative importance of fore-and-aft, lateral, and vertical vibration. Applied Ergonomics, 43 (5), 902-908. (doi:10.1016/j.apergo.2011.12.011). (PMID:22305106)

Record type: Article

Abstract

Few studies have compared the discomfort caused by vibration in different directions, and few have investigated the vibration discomfort of standing people. This study was designed to compare the discomfort experienced by standing people exposed to sinusoidal vibration in the fore-and-aft, lateral, and vertical directions. Using the method of magnitude estimation, 12 subjects estimated the discomfort caused by 4-Hz sinusoidal vibration at 10 different magnitudes. At 4 Hz, subjects were less sensitive to lateral vibration than to fore-and-aft vibration (K(y)/K(x) = 0.71), and more sensitive to vertical vibration than to horizontal vibration (K(z)/K(x) = 1.95; K(z)/K(y) = 2.77). Previous findings showing how the discomfort of standing people depends on the frequency of fore-and-aft, lateral, and vertical vibration were used to define frequency weightings that reflect relative sensitivity to vibration in each direction. The frequency weightings differ from those appropriate for seated people, and differ from the weightings for standing people in current standards that were mostly derived from understanding of the discomfort of seated people.

Text
14707 OT-MJG 2012 Inter-axis_equivalence_for_standing_vibration_discomfort - Accepted Manuscript
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Published date: September 2012
Keywords: vibration, discomfort, standing
Organisations: Human Sciences Group

Identifiers

Local EPrints ID: 354956
URI: http://eprints.soton.ac.uk/id/eprint/354956
ISSN: 0003-6870
PURE UUID: 5cac5671-5762-49e1-a5b2-f93a7b012be5
ORCID for M.J. Griffin: ORCID iD orcid.org/0000-0003-0743-9502

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Date deposited: 24 Jul 2013 10:48
Last modified: 22 Jul 2022 18:37

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Author: Oliver Thuong
Author: M.J. Griffin ORCID iD

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