本文提出了一种用于分析环形超声波电动机定子振动固有频率的简便、有效的方法。
The paper puts forward a convenient and efficient method on the analysis of vibration natural frequency for ring ultrasonic wave motor stator.
设计五相十拍步进电动机驱动电路时选择了89c 2051作为环形分配器，而功率器件选用电压型的VMOS管。
When designing the step motor drive circuit of 5 phase 10 pat, 89c2051 is adopted as the Loop allotter. The VMOS is adopted in power elements. It is designed as chopper-type constant current circuit.
这种创新性的驱动系统应用了一种高效电磁电动机，并将其与公司正在审定中的专利环形发电机结合起来。
This revolutionary drive system utilizes an overly efficient electromagnetic motor, and combines it with our patent pending toroidal dynamo.
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