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Fundamental Acoustic Finger Force for Out-of-Plane Ultrasonic Vibration and its Correlation with Friction Reduction

Abstract : When a finger touches an ultrasonic vibrating plate, a non sinusoidal contact force is produced. This force is denominated acoustical finger force. In this paper, a method is proposed, in order to observe its fundamental component in the context of a friction reduction haptic interface. A PCA (Principal Component is applied to the measured data, which will help evaluate the correlation between this measurem ent and the friction when sliding the finger. A linear model that predicts the friction coefficient is laid down and evaluated The interest of this study is to provide a mean to adapt the tactile feedback device control to each user, despite of the biomec hanical properties differences within each finger pad.
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https://hal.archives-ouvertes.fr/hal-03467635
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Submitted on : Monday, December 6, 2021 - 4:08:18 PM
Last modification on : Saturday, December 18, 2021 - 3:10:27 AM

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Diana Angelica Torres, Anis Kaci, Frederic Giraud, Christophe Giraud-Audine, Michel Amberg, et al.. Fundamental Acoustic Finger Force for Out-of-Plane Ultrasonic Vibration and its Correlation with Friction Reduction. IEEE Transactions on Haptics (ToH), IEEE, 2021, 14 (3), pp.551-563. ⟨10.1109/toh.2021.3060108⟩. ⟨hal-03467635⟩

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