高分辨率PPG输出

高分辨率PPG输出

超声波电机转子的运动距离和速度由超声波的频率、振幅和时间间隔控制。东芝公司生产了TX03系列微控制器,采用高分辨率PPG输出。微控制器对转子的运动距离实现了很好的控制。

超声波电机工作原理

超声波电机工作原理

超声波电机由频率大于20kHz的超声波驱动。转子在传递超声波的定子上运动。当施加交流电压时,压电器件产生上下运动。定子将运动从底部转移到表面。定子上向右的行进波将转子推向相反的方向,即向左。因为定子表面的上下摆动使转子逆时针旋转,从而使转子向左运动。

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采用高分辨率PPG输出的微控制器产品。

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