摘  要：根据当前直线超声电机的特点，研制了一种新型的基于杆纵向振动超声电机，分析了电机的工作原理，并做出了样机。实验证明电机在施加合理的电压信号下能够实现往复的直线运动。
关键词：直线超声电机；纵向振动；复合结构

Abstract: According to the characteristics of linear ultrasonic motor at present,developed a new linear ultrasonic motor based on longitudinal vibrate mode of pole. Analyzed the work principle of this motor，and make a machine.The experiment proves that the motor can implement bilateral motion under the reasonable electrical signal.
Key words: linear ultrasonic motor ; longitudinal vibrate; compound structure