电机驱动的

Itis made up of a gearbox and moderate breeze gear wheel transmissionthat the MG400/900-3.3D type mining machine cuts the cuttingdepartment, cut the electrical machinery of cutting department andput to fix up horizontally in the rocker arm, the power that themotor outputs leans on a round of transmission of department ofgear wheel and planet round via the tertiary straight tooth, urgethe cylinder to rotate finally.

MG400/900-3.3D型采煤机截割部主要是由一个减速箱和四级齿轮传动组成，截割部电机放在摇臂内横向布置，电动机输出的动力经由三级直齿圆拄齿轮和行星轮系的传动，最后驱动滚筒旋转。

That is fine for turning a starter motor, but it is not so good for powering an electric motor intended to move a car any distance.

对于启动马达这是很好的，但对于打算驱动一辆车行驶任何距离的一台电机来说，它并不是那么好。

In our daily living, more and more kinds of motors applied in all kinds of facilities.

随着电机在日常生活中的广泛应用，市场对马达驱动芯片的需求也越来越大。

The mech- anism, by setting springs around joint axis, realizes that one motor drives root joints of multiple fingers.

该机构利用设置于关节轴上的扭簧实现了单个电机对多个手指根部的驱动。

It is made up of amoderate breeze gear wheel transmission that the MG400/920-WD typemining machine cuts the cutting department, cut the electricalmachinery of cutting department and put to fix up horizontally inthe rocker arm, the power that the motor outputs leans on a roundof transmission of department of gear wheel and planet round viathe tertiary straight tooth, urge the cylinder to rotate finally.

MG400/920-WD 型采煤机截割部主要是由四级齿轮传动组成，截割部电机放在摇臂内横向布置，电动机输出的动力经由三级直齿圆柱齿轮和一级行星轮系的传动，最后驱动滚筒旋转。

Ultrasonic motor is a new type direct drive motor emerging with the development of high power density piezoelectric materials.

超声电动机是随着高功率密度压电材料的发展而出现的一种新型直接驱动电机。

The feasibility of this drive structure is analyzed, a method of calculating motor power and torque is established.

分析了该驱动方式的可行性，并建立了电机主要选型参数的计算方法。

The site diagnosis for bearing failure of motor driving boiler water pump with time-domain waveform is introduced.

介绍了使用时域波形图的锅炉给水泵驱动电机轴承振动故障的现场诊断。

The moving of gantry frame uses frequency conversion dynamo to drine via lovking ronge on synchronization and decelerator,which is transmitted stably.Equip with welding machine on the beam drove by two geoups of leng thwise and widthwise moving device use air-opened device to adjust the up-down and left-right shifting of machine head.

门架移动采用变频电机经由同步带和减速机减速来驱动，传动平稳，横梁上配有两组横向，纵向移动装置带动的焊接机，用气动装置来调节机头上的下左右位移。

This control system includes main control model, current detection, position sensing, fault detection and protection, serial interface. Anisomerous bridge topology structure is adopted to design the power converters and driver circuit. Double closed loop based on velocity and current is adopted to control AC-motor.

其控制电路主要包括主控模块、电流检测模块、位置传感器模块、串口电路、故障检测和保护电路等；采用不对称桥式扑结构设计了功率变换器及其驱动电路模块；采用速度和电流双闭环的形式，完成对交流电机的控制。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。