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Effects of seat parameters and sitters' anthropometric dimensions on seat profile and optimal compressed seat pan surface.

Authors
  • Wang, Xuguang1
  • Cardoso, Michelle2
  • Beurier, Georges2
  • 1 Université de Lyon, F-69622, Lyon, France; Université Claude Bernard Lyon 1, Villeurbanne, France; IFSTTAR, UMR_T9406, LBMC Laboratoire de Biomécanique et mécanique des chocs, F69675, Bron, France. Electronic address: [email protected] , (France)
  • 2 Université de Lyon, F-69622, Lyon, France; Université Claude Bernard Lyon 1, Villeurbanne, France; IFSTTAR, UMR_T9406, LBMC Laboratoire de Biomécanique et mécanique des chocs, F69675, Bron, France. , (France)
Type
Published Article
Journal
Applied ergonomics
Publication Date
Nov 01, 2018
Volume
73
Pages
13–21
Identifiers
DOI: 10.1016/j.apergo.2018.05.015
PMID: 30098628
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Designing one seat for multi-sitters and multi-activities is challenging especially in a very restrained aircraft economy class cabin. In this paper, the effects of seat parameters and sitters' anthropometric dimensions on seat profile and optimal compressed seat pan surface were studied using a newly built multi-adjustable experimental seat. The 'optimal' seat pan contact surface was obtained by controlling the height of 52 cylinders so that the normal contact force was distributed to all cylinders as evenly as possible. With 13 other motorized adjustments controllable by a computer, individual seat profile in the symmetry plane such as seat height, seat pan length, seat pan angle, lumbar protrusion and headrest position were also studied. Data were collected from 36 men and women of varying body size testing 40 seat configurations. Parametric models were obtained for predicting seat profile and optimal compressed seat pan seat surface in function of seat pan and back rest angles for two sitting postures. It is expected that the proposed parametric models provide necessary reference values in seat development for a better fit of a target population of sitters with large varying body size. Copyright © 2018 Elsevier Ltd. All rights reserved.

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