Fiber optic plantar pressure/shear sensor

William Soetanto; Ngoc Tran Nguyen; Wei-Chih Wang

doi:10.1117/12.880680

31 March 2011 Fiber optic plantar pressure/shear sensor

William Soetanto, Ngoc Tran Nguyen, Wei-Chih Wang

Proceedings Volume 7984, Health Monitoring of Structural and Biological Systems 2011; 79840Z (2011) https://doi.org/10.1117/12.880680
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

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.

Citation Download Citation

William Soetanto, Ngoc Tran Nguyen, and Wei-Chih Wang "Fiber optic plantar pressure/shear sensor", Proc. SPIE 7984, Health Monitoring of Structural and Biological Systems 2011, 79840Z (31 March 2011); https://doi.org/10.1117/12.880680

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