Tri-axial tactile sensing element

Julián Castellanos-Ramos; Rafael Navas-González; F. Vidal-Verdú

doi:10.1117/12.2016981

28 May 2013 Tri-axial tactile sensing element

Julián Castellanos-Ramos, Rafael Navas-González, F. Vidal-Verdú

Proceedings Volume 8765, Bio-MEMS and Medical Microdevices; 87650P (2013) https://doi.org/10.1117/12.2016981
Event: SPIE Microtechnologies, 2013, Grenoble, France

Abstract

A 13 x 13 square millimetre tri-axial taxel is presented which is suitable for some medical applications, for instance in assistive robotics that involves contact with humans or in prosthetics. Finite Element Analysis is carried out to determine what structure is the best to obtain a uniform distribution of pressure on the sensing areas underneath the structure. This structure has been fabricated in plastic with a 3D printer and a commercial tactile sensor has been used to implement the sensing areas. A three axis linear motorized translation stage with a tri-axial precision force sensor is used to find the parameters of the linear regression model and characterize the proposed taxel. The results are analysed to see to what extent the goal has been reached in this specific implementation.

Citation Download Citation

Julián Castellanos-Ramos, Rafael Navas-González, and F. Vidal-Verdú "Tri-axial tactile sensing element", Proc. SPIE 8765, Bio-MEMS and Medical Microdevices, 87650P (28 May 2013); https://doi.org/10.1117/12.2016981

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