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Preliminary design of a multi-touch ultrasonic tactile stimulator

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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Submitted on : Friday, December 4, 2015 - 4:23:28 PM
Last modification on : Monday, November 15, 2021 - 9:24:05 AM
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Sofiane Ghenna, Frédéric Giraud, Christophe Giraud-Audine, Michel Amberg, Betty Lemaire-Semail. Preliminary design of a multi-touch ultrasonic tactile stimulator. World Haptics Conference (WHC), 2015 IEEE, Jun 2015, Chicago, United States. ⟨10.1109/WHC.2015.7177687⟩. ⟨hal-01238296⟩



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