伺服电动机

Based on the idea of modular design, the function of lifting heddle is realized through programming in the PLC. The function of harnesses selection is realized by PLG's IO which can control the servo moor's state.

采用模块化设计的思想，通过PLC的内部程序编制实现提综装置的功能，利用PLC的继电器输出控制伺服电动机的通断实现选综机构功能。

It is stated that it is not a easy thing to determine the precise value of the small cogging torque using the magnetic field numerical calculation method.

利用二维有限元法，解算了新型交流伺服电动机的空载场，并以此为基础，计算了电机的定位转矩，旋转感应电压和静转矩。

The degree and extent of PLC development are the symbols of automatic level in one country. To solve the problem of automatic potting pastern to electronic horns circuit panel, a manipulator control system was made in this article. One important part is how to design the automatic control system in this article. The whole blue print, target and its function have been confirmed.

为了解决汽车电子喇叭控制板生产的自动涂胶问题，本文主要研究了涂胶机械手如何从手动操作设计成为自动涂胶的机械手的方法，提出了设计自动涂胶机械手的整体方案和目标及功能要求；给出了自动涂胶机械手的本体设计；驱动执行装置的设计(电气部分及伺服电动机的设计)；系统控制部分的设计等。

According to the change of the motor parameters, the torque ripple is analyzed based on the model .

永磁交流伺服电动机的转矩波动直接影响系统的控制精度，是最为关注的伺服性能指标之一。

Basically, the rotary axis servomotor runs through the center of the tilt axis.

基本上，旋转的轴伺服电动机充满倾斜轴的中心。

Furthermore, through the linearization model, the control laws of the aped tracking and feedback is designed and so the observer is designed and it can improve the velocity and accuracy of the speed-tracking under the condition which guaranteed the stability of the whole closed loop system.

本文正是为解决此类非线性限制问题而进行了深入的理论研究，在综合分析三相交流直线永磁同步伺服电动机非线性动态数学模型的基础上，采用反馈线性化控制理论，建立了三相交流直线永磁同步电动机速度跟踪闭环系统动态的输入—输出模型，进而通过该线性化模型设计反馈控制律、速度跟踪控制律和负载阻力扰动观测器，在保证整个闭环系统稳定的前提下，提高伺服跟踪的快速性和精确性。

Furthermore, through the linearization model, the control laws of the aped tracking and feedback is designed and so theobserver is designed and it can improve the velocity and accuracy of the speed-tracking under the condition which guaranteed the stability of the whole closed loop system.

本文正是为解决此类非线性限制问题而进行了深入的理论研究，在综合分析三相交流直线永磁同步伺服电动机非线性动态数学模型的基础上，采用反馈线性化控制理论，建立了三相交流直线永磁同步电动机速度跟踪闭环系统动态的输入—输出模型，进而通过该线性化模型设计反馈控制律、速度跟踪控制律和负载阻力扰动观测器，在保证整个闭环系统稳定的前提下，提高伺服跟踪的快速性和精确性。

DC motor complex large-scale three-phase power transformer deep-trough three-phase asynchronous motor DC motor DC motor single-phase squirrel-cage induction motor.Three-phase commutator motors, single-phase motor power sub-phase squirrel-cage three-phase asynchronous electric double mine explosion-proof motor with squirrel-cage three-phase asynchronous motor rotor cup AC servo motor drives three-phase asynchronous motor principle of rotating magnetic field Generation and transmission of three-phase induction motor winding three-phase stepper motor 165mm Three-phase three-phase synchronous motor stepping motor JFB power generator rotor rectifier type AC synchronous motor DC servo motor three-phase current rotating magnetic field of teaching instrument Wound Three-phase alternator motor 160 rats of three-phase permanent magnet generator cage induction motor Synchro Motor medium-sized three-phase power transformer

直流复励电动机大型三相电力变压器三相异步深槽式电动机直流电动机直流电机单相异步鼠笼式电动机三相整流子电动机单相电动机电源分相器三相异步双槽鼠笼电机矿用防爆电动机三相异步鼠笼式电动机杯形转子交流伺服电动机三相异步电动机调速原理旋转磁场的产生与变速三相绕线式异步电动机 165mm三相步进电机三相同步电动机 JFB型硅整流发电机转子供电交流同步电机直流伺服电动机三相电流旋转磁场示教仪绕线式电动机三相交流发电机 160型永磁发电机三相鼠笼异步电动机自整角电机中型三相电力变压器

As the motor of direct current had good characteristic of adjusting the speed, the numerical control lathe system adopted the servo motor of direct current in the past.

由于直流电动机具有良好的调速特性，以往数控机床系统均采用直流伺服电动机。

In implementation, a feeler gauge measures the thickness of the just-made sheet metal and sends this signal back to a servo-motor controlling the single variable of traction, the variable to affect the steel last, just before the rollers.

在设立这些反馈装置的时候，是有一个厚薄规来测量刚刚作出的金属板的厚度，然后把这个信号传送回某种伺服电动机上，这个伺服电动机是用来控制一个单一变量，也就是牵引力——这个变量是在卷板机之前最后影响钢板的因素。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。