TACTIP - Tactile fingertip device, texture analysis through optical tracking of skin features

Winstone, B., Griffiths, G., Pipe, A. G., Melhuish, C. and Rossiter, J. (2013) TACTIP - Tactile fingertip device, texture analysis through optical tracking of skin features. In: Lepora, N., Mura, A., Krapp, H., Verschure, P. and Prescott, T., eds. (2013) Biomimetic and Biohybrid Systems. Berlin: Springer, pp. 323-334. ISBN 9783642398018 Available from: http://eprints.uwe.ac.uk/25217

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Publisher's URL: http://dx.doi.org/10.1007/978-3-642-39802-5_28

Abstract/Description

In this paper we present texture analysis results for TACTIP, a versatile tactile sensor and artificial fingertip which exploits compliant materials and optical tracking. In comparison to previous MEMS sensors, the TACTIP device is especially suited to tasks for which humans use their fingertips; examples include object manipulation, contact sensing, pressure sensing and shear force detection. This is achieved whilst maintaining a high level of robustness. Previous development of the TACTIP device has proven the device’s capability to measure force interaction and identify shape through edge detection. Here we present experimental results which confirm the ability to also identify textures. This is achieved by measuring the vibration of the in-built human-like skin features in relation to textured profiles. Modifications to the mechanical design of the TACTIP are explored to increase the sensitivity to finer textured profiles. The results show that a contoured outer skin, similar to a finger print, increases the sensitivity of the device.

Item Type:Book Section
Uncontrolled Keywords:tactile sensing, biomimetic, fingertip, sensor, robotics, texture classification
Faculty/Department:Faculty of Environment and Technology > Department of Engineering Design and Mathematics
ID Code:25217
Deposited By: B. Winstone
Deposited On:17 Mar 2015 08:35
Last Modified:18 May 2016 02:27

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