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Development of Polymer Slip Tactile Sensor Using Relative Displacement of Separation Layer
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 Title & Authors
Development of Polymer Slip Tactile Sensor Using Relative Displacement of Separation Layer
Kim, Sung-Joon; Choi, Jae-Young; Moon, Hyung-Pil; Choi, Hyouk-Ryeol; Koo, Ja-Choon;
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To realize a robot hand interacting like a human hand, there are many tactile sensors sensing normal force, shear force, torque, shape, roughness and temperature. This sensing signal is essential to manipulate object accurately with robot hand. In particular, slip sensors make manipulation more accurate and breakless to object. Up to now several slip sensors were developed and applied to robot hand. Many of them used complicate algorithm and signal processing with vibration data. In this paper, we developed novel principle slip sensor using separation layer. These two layers are moved from each other when slip occur. Developed sensor can sense slip signal by measuring this relative displacement between two layers. Also our principle makes slip signal decoupled from normal force and shear force without other sensors. The sensor was fabricated using the NBR(acrylo-nitrile butadiene rubber) and the Ecoflex as substrate and a paper as dielectric. To verify our sensor, slip experiment and normal force decoupling test were conducted.
Slip Detection;Polymer Sensor;Capacitance;
 Cited by
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