研制了一种新型直线超声波电动机，电机采用面内振动的形式。
The motor based on the vibration in plane of the rectangular plate.
工作气隙是影响直线同步振动电动机工作性能的主要因素之一，寻求合理结构的工作气隙是电动机设计工作中十分重要的内容。
Air gap is one of the important factors which affect the general performances of linear synchronous oscillating motor, thus to seek for a rational shape of air gap is a key point in motor design.
提出了一种基于薄板面内振动的纵弯模式驻波直线超声波电动机。
A linear ultrasonic motor was put forward. Elliptical motions of the surface points of the stator are generated by the superposition of longitudinal and bending modes of the oscillating structures.
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