A new cylinder type ultrasonic motor with multi-degree of freedom was developed based on increasing its driving efficiency and improving its output characteristics.
从提高驱动效率、改善输出性能的角度出发，研制了一台新结构形式的圆柱形多自由度超声电机，对电机定子的工作模态和电机的输出性能进行了测试。
To resolve the problems of complex structure and complex change variety in traditional mechanism twister, multi-motor driving system in twister was developed.
为解决传统机械式捻线机结构复杂、更换品种时操作费时费力的问题，研究开发了捻线机多电机传动系统。
On the basis of the analysis of operation principle and control requirements of the belt conveyor driven by multi-motor, the PLC based control system of the multi-motor driving conveyor is designed.
在分析多机驱动带式输送机工作原理及控制要求的基础上，设计了基于PLC的多机驱动带式输送机控制系统。
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