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