In order to control the ultrasonic motor (USM),a hybrid controller,which consists of a fuzzy logical controller (FLC) and a self-tuning controller (STC) is suggested.

• 为实现电机快速而高精度位置控制,引入模糊和自校正复合控制技术,其中,模糊逻辑控制技术意在实现控制的快速性,自校正技术用以提高控制精度;