ACTUATOR 2014 Manuscript Poster 05


Author: Hubert Borgmann
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Pages: 4
Language: English
Publication date: 09/04/2015
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Manuscript Poster 05 published in Conference Proceedings ACTUATOR 2014
Hardware-Accelerated Embedded Controller for a Piezoelectric Haptic Feedback System

A. Engel, P. Hildebrand, P.P. Pott, H.F. Schlaak, A. Koch
Technische Universität Darmstadt, Darmstadt, Germany

Abstract:
Piezo-electric ultrasonic actuators offer large static torque and precise rotary motion while avoiding self-motion when un-powered. In this work, a U164-11 ultrasonic piezo-electric module driving an Al2O3 ceramic ring is controlled by a Xilinx Spartan 6 FPGA to implement a haptic feedback system. The controller supports a runtime-adjustable capture detent resolution to enable the input of discrete values from varying domains. Furthermore, a hardware-accelerated speed control loop is implemented to compensate deviations of the motor speed caused by external forces. The control loop is executed in 12.5 ns and reduces the friction-induced fluctuations of the motor rotary-speed by 39 %.
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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