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Preliminary design of a multi-touch ultrasonic tactile stimulator

Communication avec acte
Author
GHENNA, Sofiane
GIRAUD, Frédéric
AMBERG, Michel
LEMAIRE-SEMAIL, Betty
ccGIRAUD-AUDINE, Christophe
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]

URI
http://hdl.handle.net/10985/10136
DOI
10.1109/WHC.2015.7177687
Date
2015

Abstract

This paper presents a method to control ultrasonic waves on a beam, allowing to obtain a Multi-touch ultrasonic tactile stimulation in two points, to give the sensation to two fingers, from two piezoelectric transducers. The multi-modal approach and the vector control method are used to regulate the vibration amplitude, in order to modulate the friction coefficient with the fingers. An analytical modelling is presented, with experimental validation. Finally a psychophysical experiment shows that a multi-touch ultrasonic tactile stimulation is possible.

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