User centred design customisation of bicycle helmets liner for improved dynamic stability and fit

Pang, T, Babalija, J, Perret-Ellena, T, Lo, T, Mustafa El Bakri, H and Subic, A 2015, 'User centred design customisation of bicycle helmets liner for improved dynamic stability and fit', in A. Subic, F.K. Fuss, F. Alam, T.Y. Pang and M. Takla (ed.) Procedia Engineering - Proceedings of the 7th Asia-Pacific Congress on Sports Technology (APCST 2015: Volume 112), Barcelona, Spain, 23-25 September 2015, pp. 85-91.


Document type: Conference Paper
Collection: Conference Papers

Title User centred design customisation of bicycle helmets liner for improved dynamic stability and fit
Author(s) Pang, T
Babalija, J
Perret-Ellena, T
Lo, T
Mustafa El Bakri, H
Subic, A
Year 2015
Conference name APCST 2015: The Impact of Technology on Sport VI
Conference location Barcelona, Spain
Conference dates 23-25 September 2015
Proceedings title Procedia Engineering - Proceedings of the 7th Asia-Pacific Congress on Sports Technology (APCST 2015: Volume 112)
Editor(s) A. Subic, F.K. Fuss, F. Alam, T.Y. Pang and M. Takla
Publisher Elsevier BV
Place of publication Netherlands
Start page 85
End page 91
Total pages 7
Abstract In order for bicycle helmets to maintain sufficient coverage and protection of riders, the helmets must be adequately positioned and secured on the head. This research investigates helmet's dynamic stability parameters in order to determine whether a customised liner can improve the retention and therefore safety. A specialist 3D scanner was used to scan a total of 17 male participants who volunteered for this study. Through 3D scanning the shape and depth of each section of a participant's head and facial structure was captured. All the heads scanned were orientated with respect to the same co-ordinates based on the Australian and New Zealand Standards in order to customize the liner design to fit the user's heads. The dynamic stability of the commercially available helmets and the customized helmet were assessed using relevant video and goniometer techniques. The results indicate that for frontal roll-off, the customised helmet liner passed in all simulations of the 160mm drop height. It consistently performed better in the lateral roll-off at height of 40mm and 80mm compared with the commercially available helmets. While the dynamic stability measurements and the design strategies offer the potential to improve fit for different user's head, further studies should take into consideration a larger population size to draw more accurate conclusions.
Subjects Mechanical Engineering not elsewhere classified
Keyword(s) Anthropometric
3D scan
helmet
fit
stability
DOI - identifier 10.1016/j.proeng.2015.07.180
Copyright notice ©2015The Authors. Published by Elsevier Ltd. All rights reserved. This is an open access article under the CC BY-NC-ND license
ISSN 1877-7058
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