超声波电机低成本驱动电路

Low-cost Driving Circuit for Ultrasonic Motor

超声波电机具有不同于传统电机的诸多优点,使其有着广泛的应用前景。目前,超声波电机驱动控制电路结构较为复杂,成本较高,一定程度上限制了其工业化应用。给出了一种低成本的超声波电机驱动控制电路,分析了其工作原理,并进行了实验验证,效果良好。

Ultrasonic motor has many advantages different from the traditional motors. These advantages let it will be used widely in the future. But its driving circuit used today is complicated and expensive which limit the industrial application of ultrasonic motor. A low-cost driving circuit for ultrasonic motor was intro duced. The experimental results prove that, the design is correct and easy to be implemented.