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The model between the rotor and the stator of ring-type traveling-wave ultrasonic motor has been proposed and simulated by dSPACE in this paper. A simulation model of contact surface in ring-type traveling-wave ultrasonic motor with stator diameter 60mm has established in this paper. Any control algorithm of the torque and the speed of RTWUSM can be realized in this half-practicality simulation platform...
A new developed motion control system was composed of a novelty position detection apparatus of DC motor, the digital control circuit based on complex programmable logic device (CPLD), the opto-coupler driver circuit and the feedback detection circuit. The design of this kind of motion control system has novelty thinking in the advantage of real time detection and control, reliability and simplicity,...
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