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Proceedings Paper

Development of a polymeric capacitive 3-D tactile sensor
Author(s): Jen-Hsuan Ho; Alex Perez; Wei-Chih Wang
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Paper Abstract

In this paper, we present a novel polymeric 3-D tactile sensor. The tactile sensor comprises of a flexible quad capacitor array where three axial forces can be measured from the sensors' relative areas and gap distances changes using a simple differential equation. To improve the overall performance of the sensor, several high dielectric polymers were developed so that a smaller sensor area (< 1×1cm2) can be achieved. A specially designed LC circuit was also developed to improve the capacitance detection. With the current configuration, the sensor is capable of detecting forces in any arbitrary direction with a sensitivity of 0.1N and a force range up to 45N.

Paper Details

Date Published: 9 April 2010
PDF: 8 pages
Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76501S (9 April 2010); doi: 10.1117/12.847721
Show Author Affiliations
Jen-Hsuan Ho, National Taiwan Univ. (United States)
Alex Perez, Univ. of Washington (United States)
Wei-Chih Wang, Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 7650:
Health Monitoring of Structural and Biological Systems 2010
Tribikram Kundu, Editor(s)

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