纵弯复合模式直线型超声波电机研究与实验

研究了纵-弯模式直线型超声波电机的驱动机理,设计制作了一台输出大力矩的纵-弯复合模式直线型超声波电机样机,并进行了实验测试,绘制了在一定的预压力、预紧力和驱动电压时候激励频率与速度的关系曲线,在一定的预紧力、预压力和激励频率下驱动电压与速度的关系曲线以及预紧力、激励频率和驱动电压一定情况下预压力与速度的关系曲线,并对实验结果进行了分析。实验结果表明,这种新型结构电机充分体现了超声波电机良好的性能特点,特别是能输出较大的转矩,具有良好的应用前景。

Research on Linear Ultrasonic Motor Using Longitudinal-Flexural Modes

The paper studied the driven mechanism longitudinal-bending mode ultrasonic motor,designed a longitudinal-bend complex model linear ultrasonic motors,and conducted laboratory tests have drawn a certain pre-pressure,preload,and drive voltage when the excitation frequency and the velocity curve,in a certain preload,pre-stress and motivate frequency drive voltage and speed curves as well as the preload force,excitation frequency and driving voltage under certain circumstances,the pre-pressure and velocity curve and the experimental results were analyzed,the results show that the new structure fully reflects the motor performance characteristics of ultrasonic motor,especially the larger torque can be output,there is experimental application prospects.