The operating mechanism and characteristics of ultrasonic motor are studied.

对超声波电机的运行机理和整体性能进行了研究。

Traveling wave ultrasonic motor is a new type of actuator driven by friction.

行波超声马达是一种靠摩擦力直接驱动的新型驱动器。

The progress and applications of ultrasonic motor are presented in this paper.

本文对超声波电机的研究进展与应用前景作了综述。

The ultrasonic feeding device is a new type ones extend from ultrasonic motor.

超声物料输送装置是从超声电机延伸出来的一种全新概念的物料输送装置。

New development of ultrasonic motor, surface acoustic wave motor is introduced.

给出了超声马达的新进展—声表面波马达。

Ultrasonic motor is a new type of electric machine driven by ultrasonic vibration.

超声波马达是一种由超声振动而获得驱动力的新型电机。

Some key problems about ultrasonic motor using longitudinal and torsional mode are discussed.

概述了纵扭复合型超声电机研制过程中的几个关键技术问题。

The cylindrical type ultrasonic motor USES bending vibration of cylindrical stator to drive rotor.

柱体型超声波电机依靠圆柱定子的弯曲振动驱动转子旋转。

Conclusion Theoretical foundation is provided for designing longitudinal-torsional ultrasonic motor.

结论为纵扭复合型超声马达的设计提供了一定的理论基础。

A new type of micro ultrasonic motor-skew teeth micro ultrasonic motor has been proposed in this paper.

提出一种新型微超声波电机——斜齿型微超声波电机。

Operating mechanism and intact performance of ultrasonic motor was studied by method of equivalent circuit.

应用等效电路等相关方法对超声波电机的运行机理和整体性能进行了研究。

Applying fuzzy predictive control to the speed of rotary traveling wave type of ultrasonic motor was researched.

利用模糊预测控制对旋转型行波超声电机的速度控制进行了研究。

Based on this, the structure, working principle and fixation of the traveling wave ultrasonic motor are researched.

在此基础上，对所采用的行波型超声波电动机的结构、工作原理及定位进行了研究。

A linear ultrasonic motor based on the two different in-plane bending modes of rectangular actuator were presented.

提出了一种矩形振子面内弯曲模态直线超声电机，分析了振子面内弯曲模态的激发原理及电机的驱动机理。

A vibration design theory is introduced in this paper, which is an important part of the theoretic of ultrasonic motor.

介绍了一种复合型超声波电机的振动设计理论，这是超声波电机设计理论中的一个重要部分。

The working principle, basic structure and basic equation to the spherical ultrasonic motor are discussed in the paper.

本文对球面型超声波电动机的工作原理、基本结构、基本方程式进行了讨论。

Results The change relations between resonance frequencies and load of longitudinal-torsional ultrasonic motor were got.

结果得出了纵扭复合型超声马达谐振频率与负载的变化关系。

In this paper, the operational principle of the cylinder-sphere ultrasonic motor with multi-degree of freedom is presented.

首先介绍了圆柱球体多自由度超声电机及其工作原理。

The quaternary system piezoelectric ceramic with good properties and suitable for stationary wave ultrasonic motor is prepared.

制备了性能优良、适合于驻波超声马达的四元系压电陶瓷材料。

An electric contact method to measure contact state of stator and rotor in traveling wave type ultrasonic motor (TWUSM) is presented.

提出了一种直接测量行波超声马达定子和转子接触状态的方法—电接触法。

As the increase of running time, the resonant frequency of ultrasonic motor will decrease, which then leads to the decrease of speed.

随着超声波电机运行时间的增加，其谐振频率会下降，进而使电机速度降低。

Ultrasonic motor is a use of the inverse piezoelectric effect of piezoelectric ceramic work of new concepts, new principles of motors.

超声波电机是一种利用压电陶瓷的逆压电效应工作的新概念、新原理电机。

Ultrasonic motor is a complicated electromechanical coupling system and its theoretical model is not only difficult but also very important.

超声电机是一个复杂的机电耦合系统，其理论模型是电机设计中的重点和难点。

The ultrasonic motor is a typical mechanical and electrical composite, so its performance is affected directly by the quality of its driving circuit.

超声波电机是一种典型的机电一体化电机，其驱动控制电路的好坏直接影响着电机的性能。

The problems of bending rotation ultrasonic motor are analyzed in micromation and industrialization. Some problems being worth researching are proposed.

分析了弯曲旋转超声马达在微型化和产业化方面的问题，提出了进一步研究的问题。

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。

The ultrasonic motor driving fluid directly is a new type of non-contact ultrasonic motor. The rotor does not contact with the stator and is driven by fluid medium.

液体媒质超声波电机定、转子不直接接触，利用液体媒质驱动转子旋转，是超声波电机新的研究方向。