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直流电机

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Then it discusses the method and problems of designing the Rare-Earth Permanent Magnet Brushless DC motors, and briefly introduces the principles of Finite Element Method for calculating the electromagnetic field as well as how to use the ANSYS software in checking the electromagnetic values.

然后论述了稀土永磁无刷直流电机设计的方法和需要考虑的问题,并对电磁场计算有限元方法的原理作了简要介绍,以及如何用ANSYS软件对电机进行电磁场数值校核。

Because DC motor has commutator, it is limited to use. People took into account VC motor.

由于有换向器的存在,使直流电机的使用受到很大限制,于是人们开始转向异步电机,但异步电机的调速性能难以满足生产的要求。

This paper makes use of the combination of software and hardware to achieve the control of the machine. A single-chip microcomputer is used to control the stepping motors and DC motors to achieve the control of the step-advance and rotation of the falchion.

本文采用软硬件结合的方法实现对金相切割机的控制,其基本设计思路是:利用微处理器分别控制步进电机和直流电机,实现对切割机刀具的步进和旋转的控制。

The performance of speed regulation of AC motor can compare with that of DC motor after the FOC is introduced into AC motor field.

采用矢量控制后交流电机的调速性能可以和直流电机媲美。

And cao drive DC motor and three phase high voltage induction step motor with the different configuration of FPGA.

通过对FPGA的不同配置还可以驱动直流电机和三相感应式高压步进电机。

Electric machinery ; BLDCM driven systems ; Rate smoothness ; Force ripple ; Robust repetitive control

电机;无刷直流电机驱动的系统;速率平稳性;力矩波动;鲁棒重复控制

Generally, drawing machine has four motors, two stepping motors control movement of pen and paper, and the other two direct current electric motors control the spools of giving paper and spooling paper.

服装绘图机主要包括四个电机:两个步进电机分别控制笔和纸的运动,两个直流电机分别控制给纸和退纸的卷轴。

This kind of motor discussed in this paper also a brushless DC square wave motor.

本文提到的电机是方波无刷直流电机,所以也涉及到了其PWM控制器的设计。

With the development of high performance thulium PM materials, microelectronics technology, modern intelligent control technology and power electronics technology, especially high-power semiconductor devices, PM BLDCM has been developed more and more rapidly and applied extensively, which gradually replaced other types of motors in many occasions.

随着高性能稀土永磁材料、微电子技术、现代智能控制技术和电力电子技术特别是大功率半导体器件的发展,永磁无刷直流电机得到了越来越迅速的发展和广泛的应用,在许多场合开始逐步取代其它种类的电机。

Super quiet direct current electrical engineering:Provide with the big power direct current dynamoelectric and the wheel gear organizations, peaceful movement.

超静直流电机:配备大功率直流电动杨和齿轮机构,安静的运行。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?