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...
超聲波電機(Ultrasonic motors，簡稱USM)是一種全新原理的直接驅動電機，它利用壓電陶瓷逆壓電效應激發的超聲振動作為驅動力，通過定轉子間的摩擦力來驅動轉子運動。與傳統的電磁電機相比，它具有低速大轉矩、無電磁干擾、動作響應快、運行無噪聲、無輸入自鎖等卓越特性，在非連續運動領域、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...
