设计了一套行波型超声波电机驱动控制系统电路。
在超声波电机理论研究和样机制作的基础上，开发了用于汽车车窗玻璃升降的行波型超声波电机。
Based on the theoretical research and prototype fabrication of traveling wave type ultrasonic motor, the traveling wave type ultrasonic motor used for lifting glass for vehicle window is developed.
在超声波电机理论研究和样机制作的基础上，开发了用于汽车车窗玻璃升降的行波型超声波电机。
In this paper series of traveling wave type ultrasonic motors that are fabricated by our group are introduced.
本文的研究主要侧重于设计制作出这两种回旋型压电行波超声波电机的实验样机并对其做性能实验。
The research object of the thesis is two types rotary piezoelectric ultrasonic motor that had been widely used in actual application of ultrasonic motors.
本文的研究主要侧重于设计制作出这两种回旋型压电行波超声波电机的实验样机并对其做性能实验。
The research object of the thesis is two types rotary piezoelectric ultrasonic motor that had been widely used in actual application of ultrasonic motors.
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