Abstract
In view of the requirement that the speed of rotor speed of ultrasonic motor can be stabilized quickly, combined with the mathematical model of two-phase traveling wave ultrasonic motor, we designed the rotor speed stability control strategy of the two-phase traveling wave ultrasonic motor based on voltage and current double feedback. We simulated, analyzed, and verified the designed strategy using Matlab/Simulink simulation tool. The rationality of the simulation results proves the correctness of the designed control strategy, which lays a theoretical foundation for the production design of two-phase traveling wave ultrasonic motor.
Highlights
Ultrasonic motors have the advantages [1] of small weight, low speed and large torque, low noise, self-locking when power is off, and no magnetic field interference
Ultrasonic motors have been widely used in research fields such as optical autofocus, medical equipment, robots, instrumentation, and military equipment. ere are many control means for ultrasonic motor in different application fields, such as vector control, robust adaptive back-stepping motion control, state feedback control, FPGA-based computed force control, disturbance-observer-based complementary sliding-mode speed control, high-order sliding-mode control, Hermite neural network-based second-order slidingmode control, and sensorless control
Is article aims at stabilizing the speed of the two-phase traveling wave ultrasonic motor, designing corresponding control strategies [2] in combination with the actual circuit, and using simulation methods to verify the rationality and correctness of the design
Summary
Ultrasonic motors have the advantages [1] of small weight, low speed and large torque, low noise, self-locking when power is off, and no magnetic field interference. Ultrasonic motor is the core component in many of the previously mentioned fields, and its own function and the performance of the control system will directly affect the development process of the previously mentioned research fields. E simulation method is to establish a complete mathematical or physical model for the ultrasonic motor control system and use the built model to reflect the real behavior of the system. E use of simulation method to study the actual control system is economical and safe and has a good guiding significance for the design and development of new products with better performance. Is article aims at stabilizing the speed of the two-phase traveling wave ultrasonic motor, designing corresponding control strategies [2] in combination with the actual circuit, and using simulation methods to verify the rationality and correctness of the design
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