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This paper presents a novel multi-axis tactile sensor has tunable sensing ranges and sensitivity. A low dielectric constant (εr) droplet covered with high εr liquid are employed as the dielectric material of this sensor. The sensing range and sensitivity can be adjusted by varying the shape of the droplet by controlling the dielectric force supplied by driving voltage. The results show the sensor...
This paper presents a novel tactile sensing array with adjustable sensing range and sensitivity. The sensing array consists of a deformable PDMS spacer layer, two Al glass substrates, and two dielectric liquids. The two dielectric liquids form a composite dielectric material, which is a low-dielectric-constant (ɛr) droplet covered with a high-ɛr liquid. The composite dielectric material is sandwiched...
This paper presents a novel sensing array with tunable sensing ranges for dynamic tactile sensing. Each element in the array contains a droplet with variable shape. By controlling the dielectric force applying on the droplet, the shape of the droplet can be controlled. The sensing range was tuned due to the variation of the droplet shape. This sensing array can be not only used in static tactile sensing...
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