A L1B4 Piezoelectric Ultrasonic Linear Micromotor Using a Full Symmetry Stator

Piezoelectric motors have many advantages, such as small size, fast response and no magnetization. Nowadays, robotics technology is developing rapidly, and piezoelectric motors also usher in its application opportunities. Compared with vertical motors, horizontal motors are easy to be arranged in the driving module, but their power is often too small to be noticed. Horizontal plate motor meets the need of cylindrical drive in structure and has good application value. This paper first describes the horizontal motor developed by the author, and analyses the disadvantages of L1B4 motor, such as low output thrust, easy separation of two-phase resonance frequencies and poor bi-direction performance. Finally, experiments are done to show that the above shortcomings have been improved and overcome, and the performance has been upgraded.