The implementation of tactile feedback using squeeze film effect devices

Abstract : This paper describes the implementation and initial evaluation of active-type tactile displays in desktop environments. The first device comprises a stator of an ultrasonic motor supplied by only one channel. In this way, the motor twisted of its application do not induce movement but can create slipperiness on the stator's surface. This effect can be interpreted as squeeze film phenomenon and allow us to change indirectly the friction on the surface and to generate shear forces on the fingertip, which in turn creates interesting tactile effects. Moreover, if we add a position sensor, we can vary the signal spatially which gives the sensation of bumps/ridges. Then, based on the first device principle, another device is proposed in order to enable a free exploration of the surface following ergonomic requirements. PACS. 85.50-n Piezoelectric devices – 77.65-j Piezoelectricity and electromechanical effects
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Mélisande Biet, Frédéric Giraud, Betty Lemaire-Semail. The implementation of tactile feedback using squeeze film effect devices. European Physical Journal: Applied Physics, EDP Sciences, 2008, 43, pp.123-135. ⟨hal-01110760⟩

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