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27 March 2006 VHDL control system for linear ultrasonic motors
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Ultrasonic Motors are devices with micro or even nano-positioning capabilities. This feature derives from voltage-strain characteristic of piezoelectric ceramics. Furthermore, to accomplish fine positioning, a high resolution control system is required. This paper presents simulated results from a VHDL description of a micro-positioning control system for linear traveling wave ultrasonic motors (TWUSM). The controller is dedicated to TWUSM control, and uses motor dynamic characteristics for estimating the exact slider end positioning point, from real time acquired data.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cesar R. Rodrigues, Rafael S. Pippi, André L. Aita II, and João B. dos S. Martins "VHDL control system for linear ultrasonic motors", Proc. SPIE 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control, 61661G (27 March 2006);

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