Abstract
Tactile sensor is indispensable in prosthesis for object manipulation. This study presented a novel tactile sensor based on the conductive micro-wires that can measure the normal and shear forces. The developed sensor consists of four layers, from bottom to top are the substrate supporting, polyimide based matrix circuit, micro-wire based sensing, and top surface bump layers, respectively. To improve the sensing performance, structural dimensions were optimized. According to the optimization results, analytical models and finite element analysis (FEA) were conducted to study the normal and shear force sensing performance of the sensor. To develop the tactile sensor, the carbon-black based conductive polymer was firstly fabricated, and then the conductive micro-wires were manufactured by using the method of micro-contact printing (μCP). The results demonstrate that the machined micro-wires have dimensions of 250 μm in width and 50 μm in height.
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Liang, G., Mei, D., Wang, Y., Dai, Y., Chen, Z. (2013). A Micro-wires Based Tactile Sensor for Prosthesis. In: Lee, J., Lee, M.C., Liu, H., Ryu, JH. (eds) Intelligent Robotics and Applications. ICIRA 2013. Lecture Notes in Computer Science(), vol 8102. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40852-6_48
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DOI: https://doi.org/10.1007/978-3-642-40852-6_48
Publisher Name: Springer, Berlin, Heidelberg
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