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

Article dans une revue avec comité de lecture
Author
TORRES, Diana Angelica
KACI, Anis
GIRAUD, Frederic
AMBERG, Michel
LEMAIRE-SEMAIL, Betty
ccGIRAUD-AUDINE, Christophe
13338 Laboratoire d’Électrotechnique et d’Électronique de Puissance - ULR 2697 [L2EP]
ccCLENET, Stephane

URI
http://hdl.handle.net/10985/21295
DOI
10.1109/toh.2021.3060108
Date
2021
Journal
IEEE Transactions on Haptics

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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