步进的

The step action of the hydraulic control rod driving has been achieved by experiments.

通过实验获得了水力驱动控制棒步进的动态过程。

Based on the systematic analyses of the applications and developments of step motor, the driving technique of step motor are analyzed in this paper, and upon these statements, a mathematical model of VR step motor is built. With this model, the coil current of step motor with chopping driver and the non-loaded starting frequency are simulated for the base of designing of step motor servo system.

本文在系统分析了步进电机应用和发展的基础上，对步进电机的驱动技术作了详尽的论述，建立了三相反应式步进电动机的数学模型，并利用该模型对斩波驱动的步进电机绕组电流及空载运行的启动频率等进行了仿真，为步进电机驱动系统的设计提供了依据。

We have build a performance model of our applications by counting the number of flops manually per step.

我们通过人工步进的方式对我们的应用程序(CELLMD和ACEMD)进行操作，并建立了一个性能模型。

The design of the device using NC Lathe CA6140 control, part of the main transmission system using AC spindle motor and graded by the pulley driven spindle gearbox, through the inverter and gearbox to achieve sub; Feed System used by stepper motor driven ball screw slowdown after campaign vertical feed system through a gear after the ball screw drive, in the horizontal feed system through two gear-driven ball screw; Tool to automatically transfer tool carrier (4-position), thus achieving automatic tool change; by MCS-51 series 8051 data to be dealt with. from the I / O interface stepper pulse output signal to control the feed rate and itineraries; In order to maintain the function of cutting thread, to the outer end of spindle or other appropriate location loaded pulse generator; Lathe will be transformed into Tailstock manually controlled electric Tailstock.

本设计利用数控装置对CA6140普通车床进行控制，主传动系统部分采用交流调频主轴电动机经带轮及分级齿轮变速箱驱动主轴，通过变频器和齿轮变速箱实现分段无级变速；进给系统采用步进电机通过减速后驱动滚珠丝杠运动，在纵向进给系统中通过一级齿轮减速后驱动滚珠丝杠，在横向进给系统中通过二级齿轮减速驱动滚珠丝杠；刀架改为自动转位刀架从而实现自动换刀；通过MCS-51系列8051单片机对数据进行计算处理，由I/O接口输出步进脉冲信号控制进给速度和行程；为了保持切削螺纹的功能，要在主轴外端或其它适当部位装上脉冲发生器；将车床的手动尾座改造成为可控电动尾座。

Error is noncumulative as long as pulse-to-step integrity is maintained by the stepper motor.

只要脉冲-步进的过程完整执行，错误数据就不会积聚。

In view of the principle of pointbypoint comparison method, the foundation deciding whether the middle point interpolation is the control step error of NC system has been advanced, the math mould of inserting and compensation method established and the function that judges error by interpolating method has been improved.

基于逐点比较法原理，提出中点插补算法作为数控系统控制步进的偏差判别依据，建立了插补算法的数学模型，对插补算法偏差判别函数进行了改进和完善。实例分析结果表明，中点插补算法使插补精度由原来的小于等于一个脉冲当量提高到小于等于 0 。5个脉冲当量，插补点大幅度地下降，系统的响应速度加快和插补精度提高

This paper introduces the subdivided technology of stepping motor using s-c processor, and discusses the subdivided technology project of stepping motor, It come out a solution about the subdividing drive circuit of stepping motor using current compose vector circumrotate.

本文介绍了用单片机实现步进电机高精度细分技术，在对现有的步进电机的细分技术方案探讨的同时，提出了步进电机的细分驱动电路通过电流合成矢量的旋转来实现的解决方案，使步进电机的细分技术提高到了高精度细分的水平。

This article expatiated the basic frame and ecumenic principle and introduced a micro-computer control system of the hybrid linear step motor, it based the characteristics and need of the control of the linear step motor, we chose the special motor control chip DSP TMS320F2407 to realize a open loop control and SPWM control .

本文阐述了混合式直线步进电动机基本结构和一般原理，介绍了一种混合式直线步进电动机微机控制系统，该系统根据混合式直线步进电机的特点和控制要求，采用电机专用控制DSP芯片TMS320LF2407进行开环和SPWM控制。

The apple is next to the box on the left.

苹果在盒子接纳了最新的c3步进的阁下并且在它的左面。

It is that one kind can change the electric pulse signal into a electromechanical component of angle displacement or line displacement to walk into the electrical machinery, it is a kind of figure / angle converter that is walked into the control system of the electrical machinery to mainly walk into the controller in fact, power amplifier and walking into the electrical machinery ,etc.

步进电机是一种能将电脉冲信号转换成角位移或线位移的机电元件，实质上是一种数字/角度转换器步进电机控制系统主要由步进控制器，功率放大器及步进电机等组成。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。