In some applications of linear ultrasonic motors (LUSMs), not installing speed/position
sensors can reduce the size and cost of the system, changes in load will cause fluctuations …

The Piezoelectric motors present aninteresting alternative to electromagneticsmotors for
precise positioning systems. This ismainly due to their high accuracy in thenanometer scale …

Adopting relatively simple motion control algorithm, helps reduce the cost of ultrasonic motor
system including the drive control circuit, so as to promote its industrialization. For this …

Ultrasonic motors (USM) are a new type of high precision positioning drive system. They
provide significant advantages compared to traditional electromagnetic motors like fast …