ACTUATOR 2014 Manuscript B3.4


Author: Hubert Borgmann
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Pages: 4
Language: English
Publication date: 08/04/2015
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Manuscript B3.4 published in Conference Proceedings ACTUATOR 2014
Closed-Loop Control for Squeeze Film Effect in Tactile Stimulator

W. Ben Messaoud1,2, B. Lemaire-Semail1, M.-A. Bueno2, M. Amberg1, F. Giraud1
1 L2EP/Université Lille 1, Villeneuve d'Ascq, France
2 LPMT/Université de Haute-Alsace, Mulhouse, France

Abstract:
This paper presents a method for controlling the vibration amplitude of a tactile stimulator used to give the sensation to the fingertip that it touches a texture. The active surface of the stimulator is excited by an ultrasonic vibration frequency in order to modulate the friction coefficient with the fingertip. Due to the large size of the tactile display, two types of perturbations may affect the vibration amplitude which are the finger pressure and the temperature variation. We tackle these problems by coupling the control of the vibration amplitude and the tracking of the resonance frequency. This work is validated by plotting the vibration amplitude response with closed loop control and with a psychophysical test.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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