步进的

The circuit armature of the stepping motor was led Out by using the module of carbon brush and collector ring.

装置的切削主运动由液压马达直接驱动，进给运动由步进电机驱动。

To control the exciting winding current and to produce rounded and even inner complex magnet field.

该控制方法能使步进电机低频振荡和噪声有所减轻、高频不失步，并且在运行的过程中细分切换不产生速度突变。

And at last we get a basic whole structure: the big gear drives the annulus with the cupreous line to wrap and the rollers of nylon and cupreous compersate strain; due to the cupreous gear that the servo system drives tooth the big gear, which leads the big gear drives the annulus with the cupreous line to wrap; the impulse electric drives the clamping installation clamp loop and let it turn.

并最终确定了由大齿轮带动储线环环向运动喂线，利用尼龙挡环和铜挡环补偿张力；交流电机带动铜齿轮，由于铜齿轮和大齿轮啮合，而使大齿轮带动储线环进行缠绕；步进电机带动夹紧装置夹着芯模进行自身一步一步的转动的整体基本结构。

Base on the principle, the main circuit and control circuit of 2-phase hybrid stepping motor systems are designed. The system can realize many functions such as fix-frequency pulse width modulation, current sampling, power magnifying, ring distribution, producing control signal, and so on.

完成了对二相混合式步进电动机微步驱动系统主电路及控制电路的具体设计，实现了恒频斩波、信号检测、环形分配、微步信号的产生等功能，并搭制了实验电路进行实验验证。

Based on the construction pattern and the control principle of stepmotor,fractional step angle control of stepmotor is achieved by PWM Phase Vector Cornposition.

本文根据步进电视的结构与控制原理，提出一种PWM式相矢量合成分数步距角控制方案。利用脉宽调制方式来实现各相平均电流。

It contains establishing control model of this engine, the models are based on engine average value in time, they can be divided as intake manifold, engine dynamics, velometer section and other subsystem model of CBM engine. Besides these, it also contains model of sensors using in engine intake system and running detection, model of step motor using in driving throttle.

文章主体的内容包括建立发动机燃用变组分燃料的控制模型，建模的思路是采用基于时间的发动机平均值模型，其中分为进气歧管、发动机动力学、调速器等发动机各子系统模型，另外包括对发动机进气系统、运行参数进行检测的传感器模型以及驱动阀门的步进电机模型等。

This drive device can perform in the mode of subdividing control, so as to realize micro-step control.

该驱动器可以实现多细分控制，以达到步进电机微步运行的目的。

VMP metering pump from a set of FMI and a cascade from the second step into the motor, FMI is a now widely recognized precision stepper motor driven valveless metering pump.

VMP的电压差计量从FMI系列设置和级联泵从电机到第二步，FMI系列产品是现在人们普遍认识精密步进电机驱动无阀计量泵。

Main motion system of the machine tool is hydraulic motor driving, and two feed motion system is step-motor driving.

机床的主运动采用液压马达驱动，两个进给运动采用步进电机驱动。

Feed system uses open-loop control, stepper motor driven by the slowdown after the ball screw. driven Tool for horizontal and vertical movement; After transformation, the introduction of automatic lathe transfer Tool for automatic tool change function; To achieve automatic screw machining, in the original round of the initiative pegged to the installation of the axis of photoelectric pulse generator.

进给系统采用开环控制，由步进电机经减速后驱动滚珠丝杠，带动刀架进行横向和纵向运动；改造后的车床采用自动转位刀架实现自动换刀功能；为了实现自动螺纹切削加工，在原挂轮主动轴处安装了光电脉冲发生器。

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。