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Proceedings Paper

Fiber optic plantar pressure/shear sensor
Author(s): William Soetanto; Ngoc Tran Nguyen; Wei-Chih Wang
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Paper Abstract

A full-scale foot pressure/shear sensor that has been developed to help diagnose the cause of ulcer formation in diabetic patients is presented. The design involves a tactile sensor array using intersecting optical fibers embedded in soft elastomer. The basic configuration incorporates a mesh that is comprised of two sets of parallel optical fiber plane; the planes are configured so the parallel rows of fiber of the top and bottom planes are perpendicular to each other. Threedimensional information is determined by measuring the loss of light from each of the waveguide to map the overall pressure distribution and the shifting of the layers relative to each other. In this paper we will present the latest development on the fiber optic plantar pressure/shear sensor which can measure normal force up from 19.09 kPa to 1000 kPa.

Paper Details

Date Published: 31 March 2011
PDF: 7 pages
Proc. SPIE 7984, Health Monitoring of Structural and Biological Systems 2011, 79840Z (31 March 2011); doi: 10.1117/12.880680
Show Author Affiliations
William Soetanto, Univ. of Washington (United States)
Ngoc Tran Nguyen, Univ. of Washington (United States)
Wei-Chih Wang, Univ. of Washington (United States)

Published in SPIE Proceedings Vol. 7984:
Health Monitoring of Structural and Biological Systems 2011
Tribikram Kundu, Editor(s)

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