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Methods for predicting passenger vibration discomfort

Methods for predicting passenger vibration discomfort
Methods for predicting passenger vibration discomfort

Measurements of vehicle vibration and passenger discomfort have been used to evaluate alternative methods of predicting passenger vibration discomfort. Twelve vibration inputs to the body were considered: three translational and three rotational axes on the seat, three translational axes at the back and three translational axes at the feet. Equivalent comfort contours were obtained by laboratory experimentation for all twelve inputs for eight male subjects. The responses of these subjects to the ride in six different cars on twelve different roads were then correlated with nine alternative methods of averaging the twelve vibration inputs. Evaluation of only the 'worst' vibration input or the 'worst' vibration frequency did not provide good predictions. Either the rms or rmq of the frequency and axis weighted accelerations should be determined. The square root of the sums of squares of these twelve values provided the best correlation with the discomfort ratings in the vehicles.

Parsons, K.C.
1de68bee-60fb-44eb-a062-b2430b2fe173
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8
Parsons, K.C.
1de68bee-60fb-44eb-a062-b2430b2fe173
Griffin, M.J.
24112494-9774-40cb-91b7-5b4afe3c41b8

Parsons, K.C. and Griffin, M.J. (1983) Methods for predicting passenger vibration discomfort. Passenger Car Meeting, Dearborn, United States. 06 - 09 Jun 1983. (doi:10.4271/831029).

Record type: Conference or Workshop Item (Paper)

Abstract

Measurements of vehicle vibration and passenger discomfort have been used to evaluate alternative methods of predicting passenger vibration discomfort. Twelve vibration inputs to the body were considered: three translational and three rotational axes on the seat, three translational axes at the back and three translational axes at the feet. Equivalent comfort contours were obtained by laboratory experimentation for all twelve inputs for eight male subjects. The responses of these subjects to the ride in six different cars on twelve different roads were then correlated with nine alternative methods of averaging the twelve vibration inputs. Evaluation of only the 'worst' vibration input or the 'worst' vibration frequency did not provide good predictions. Either the rms or rmq of the frequency and axis weighted accelerations should be determined. The square root of the sums of squares of these twelve values provided the best correlation with the discomfort ratings in the vehicles.

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More information

Published date: 1 December 1983
Venue - Dates: Passenger Car Meeting, Dearborn, United States, 1983-06-06 - 1983-06-09

Identifiers

Local EPrints ID: 430158
URI: https://eprints.soton.ac.uk/id/eprint/430158
PURE UUID: cb9aab61-2644-4e10-aae3-5cb47d207c06
ORCID for M.J. Griffin: ORCID iD orcid.org/0000-0003-0743-9502

Catalogue record

Date deposited: 15 Apr 2019 16:30
Last modified: 16 Apr 2019 00:38

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Contributors

Author: K.C. Parsons
Author: M.J. Griffin ORCID iD

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