The definition of piezoelectricmotor is given in the paper and the piezoelectric motors are classified by driving mode.
给出了压电电机的定义，按驱动方式对压电电机进行了分类；
2
A grating testing system was designed to test the piezoelectricmotor. The experimental results prove that the simulations are true.
设计光栅测试系统，对压电马达样机进行运动测试，试验结果证实了模拟结构的正确性。
3
A kind of piezoelectricmotor with nano-step, based on the principle of inchworm motion, is introduced in this paper, then a newly developed driving power is presented in detail.