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Control and evaluation of a 2-D Multimodal Controlled-Friction Display

Abstract : The multimodal control of a 2D controlled-Friction Device is presented. We use the Vector control method because the phase and amplitude of two vibration modes at a same frequency can be precisely set. The closed loop response time of 10 ms is achieved. The device is then associated with a finger position sensor. The algorithm of the multimodal approach is then tested. In spite of the inevitable limitations of the system-saturation of amplifiers, low sampling frequency of the sensor-low friction could be imposed under a finger while a high friction was imposed on a predetermined position. This confirms the validity of the modal approach to create multi touch interactions.
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https://hal.inria.fr/hal-01538340
Contributor : Sofiane Ghenna <>
Submitted on : Tuesday, June 13, 2017 - 2:07:21 PM
Last modification on : Tuesday, April 21, 2020 - 12:36:03 PM
Document(s) archivé(s) le : Tuesday, December 12, 2017 - 1:22:40 PM

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  • HAL Id : hal-01538340, version 1

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Sofiane Ghenna, Christophe Giraud-Audine, Frédéric Giraud, Michel Amberg, Betty Lemaire-Semail. Control and evaluation of a 2-D Multimodal Controlled-Friction Display. IEEE World Haptics 2017, Jun 2017, Fürstenfeldbruck (Munich), Germany. ⟨hal-01538340⟩

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