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Physical and Perceptual Independence of Ultrasonic Vibration and Electrovibration for Friction Modulation

Archive ouverte : Article de revue

Vezzoli, Eric | Ben Messaoud, Wael | Amberg, Michel | Lemaire-Semail, Betty | Giraud, Frédéric | Bueno, Marie-Ange

Edité par HAL CCSD ; IEEE

International audience. —Two different principles are available to modulate the user perceived roughness of a surface: electrovibration and ultrasonic vibration of a plate. The former enhances the perceived friction coefficient and the latter reduces it. This paper will highlight the independence of the two effects on the physical and perceptual point of view to confirm the increased range of sensation that can be supplied by the two coupled techniques. Firstly, a tribometric analysis of the induced lateral force on the finger by the two coupled effects will be presented, then a study on the dynamic of the two effects will be reported. In the end, a psychophysical experiment on the perception of the two coupled techniques will be shown.

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