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Sensors 2010, 10(12), 11322-11339; doi:10.3390/s101211322
Article

Bioinspired Electronic White Cane Implementation Based on a LIDAR, a Tri-Axial Accelerometer and a Tactile Belt

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Received: 23 October 2010 / Revised: 25 November 2010 / Accepted: 3 December 2010 / Published: 10 December 2010
(This article belongs to the Special Issue Bioinspired Sensor Systems)

Abstract

This work proposes the creation of a bioinspired electronic white cane for blind people using the whiskers principle for short-range navigation and exploration. Whiskers are coarse hairs of an animal's face that tells the animal that it has touched something using the nerves of the skin. In this work the raw data acquired from a low-size terrestrial LIDAR and a tri-axial accelerometer is converted into tactile information using several electromagnetic devices configured as a tactile belt. The LIDAR and the accelerometer are attached to the user’s forearm and connected with a wire to the control unit placed on the belt. Early validation experiments carried out in the laboratory are promising in terms of usability and description of the environment.
Keywords: blind; white cane; white stick; LIDAR; accelerometer; tactile blind; white cane; white stick; LIDAR; accelerometer; tactile
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Pallejà, T.; Tresanchez, M.; Teixidó, M.; Palacin, J. Bioinspired Electronic White Cane Implementation Based on a LIDAR, a Tri-Axial Accelerometer and a Tactile Belt. Sensors 2010, 10, 11322-11339.

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