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Quantifying sway through surface deflection patterns : a novel approach using distributive tactile sensing
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Elliott, Mark T., Petra, I., Ma, X-H., Brett, P. N. and Holding, D. J. (2009) Quantifying sway through surface deflection patterns : a novel approach using distributive tactile sensing. Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, Volume 223 (Number 7). pp. 903-911. doi:10.1243/09544119JEIM509 ISSN 0954-4119.
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Official URL: http://dx.doi.org/10.1243/09544119JEIM509
Abstract
This paper describes an experiment that extends the distributive sensing approach to identify the three-dimensional location of an object in constant motion. Distributive sensing has previously been successful in the identification of size and location of statically placed objects. Here, a novel system is developed to measure balance or sway in patients. The experimental set-up consisted of a pendulum structure positioned on a supported steel plate. Three low-cost deflection sensors were positioned under the plate with the resulting signals used as inputs to a neural network implemented on a field-programmable gate array. The results show that the embedded system can accurately track the pendulum position in real time with a mean tracking error of around 6 per cent in all three dimensions. This evidence indicates that the technique is sufficiently sensitive and could be implemented in a pragmatic configuration for discriminating between balance and sway.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||
Journal or Publication Title: | Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine | ||||
Publisher: | Sage Publications Ltd. | ||||
ISSN: | 0954-4119 | ||||
Official Date: | October 2009 | ||||
Dates: |
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Volume: | Volume 223 | ||||
Number: | Number 7 | ||||
Page Range: | pp. 903-911 | ||||
DOI: | 10.1243/09544119JEIM509 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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