This paper analyzes the vector control theory of asynchronous motors based on the magnetic orientation of motor rotors, and its mathematical model is ...
Space-Vector PWM Technique for Two-Phase Inverter-Fed Two-Phase Induction Motors...
超声波电机(Ultrasonic motors，简称USM)是一种全新原理的直接驱动电机，它利用压电陶瓷逆压电效应激发的超声振动作为驱动力，通过定转子间的摩擦力来驱动转子运动。与传统的电磁电机相比，它具有低速大转矩、无电磁干扰、动作响应快、运行无噪声、无输入自锁等卓越特性，在非连续运动领域、精密控制...
General Description The LM621 is a bipolar IC designed for commutation of brushless DC motors. The part is compatible with both three- and four-pha...
Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweig...
