Abstract
In human hand skin, there are four kinds of mechanoreceptors with different sensing mechanisms to detect both gentle touch and high pressure. In this study, an integrated bio-inspired tactile sensor array, which consists of a capacitive layer and a pressure-sensitive-rubber (PSR) based layer, is designed for prosthesis application. The capacitive layer can detect the low-pressure, while the PSR-based layer is designed to detect the high-pressure. The capacitive layer and PSR-based layer are integrated together with space resolution of 2 mm and 1 mm, respectively. For the designed sensor array, the finite element analysis (FEA) is conducted to study the effects of the dimensions of polyimide in capacitive layer and the Young’s modulus of the conductive rubber in PSR-based layer on the sensing performance. The simulation results show that the developed bio-tactile sensor array is highly sensitive in both low and high pressure range.
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Liang, G., Mei, D., Wang, Y., Dai, Y., Chen, Z. (2012). Design and Simulation of Bio-inspired Flexible Tactile Sensor for Prosthesis. In: Su, CY., Rakheja, S., Liu, H. (eds) Intelligent Robotics and Applications. ICIRA 2012. Lecture Notes in Computer Science(), vol 7508. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33503-7_4
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DOI: https://doi.org/10.1007/978-3-642-33503-7_4
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