步进电机控制电路的设计.docx

步进电机控制电路的设计.docx

《步进电机控制电路的设计.docx》由会员分享，可在线阅读，更多相关《步进电机控制电路的设计.docx（11页珍藏版）》请在冰豆网上搜索。

步进电机控制电路的设计

《数字电子技术基础》

课程设计报告

题

专

年

学

目：

步进电机控制电路的设计

业：

级

号：

学生姓名：

联系电话：

指导教师：

完成日期：

2018年11月20日

摘要

步进电机能接受步进脉冲的控制一步一步地旋转，它是计算机应用项目中的

主要执行元件之一，尤其在精确定位场合中得到了广泛的应用。

本文介绍的是一

种基于单片机的步进电机的系统设计，电机的正转、反转、加速、减速、停止程

序，通过电机的驱动芯片74LS194以及相应的按键实现以上功能。

本文内容介绍

了步进电机以及单片机原理、该系统的硬件电路、程序组成，同时对软、硬件进

行了调试，同时介绍了调试过程中出现的问题以及解决问题的方法。

该设计具有

思路明确、可靠性高、稳定性强等特点，通过调试实现了上述功能。

关键词：

步进电机、电机驱动

ABSTRACT

Steppermotorcanacceptthesteppulsecontrolrotateonestepatatime,anditis

anoneofthemaincomponentsofthecomputerapplicationprogram,especiallyinthe

precisepositioninghasbeenwidelyusedinoccasions.Inthispaperisasystemdesign

basedonsinglechipmicrocomputerofsteppermotor,themotorofforward,reverse,

acceleration,deceleration,stoptheprogram,throughthemotordrivechip74ls194as

wellasthecorrespondingbuttontoachievetheabovefunctions.Contentofthis

articleintroducestheprincipleofstepmotorandsinglechipmicrocomputer,the

systemhardwarecircuit,programcomposition,atthesametimeonthesoftwareand

hardwaredebugging,andintroducesthedebuggingprocessproblemsandthemethods

tosolvetheproblem.Thisdesignhasideasclearly,highreliability,strongstability,

etc,throughdebuggingrealizedthefunction.

Keywords:

Steppermotor,motordrive

摘

要...................................................................................................................................................1

ABSTRACT....................................................................................................................................................1

1设计要求......................................................................................................................................................1

2工作原理及方案选择..................................................................................................................................1

2.1控制器的论证与选择.....................................................................................................................1

2.2驱动器的论证与选择.....................................................................................................................2

2.3系统总体方案.................................................................................................................................2

3电路设计及仿真.........................................................................................................................................2

3.1步进电机构造.................................................................................................................................2

3.1.1步进电机工作原理.....................................................................................................................3

3.1.2步进电机主要参数.....................................................................................................................4

3.2主控制器部分.................................................................................................................................4

3.3驱动器部分.....................................................................................................................................5

3.4键盘部分.........................................................................................................................................5

4系统软件设计.............................................................................................................................................6

4.1系统流程图......................................................................................................................................6

4.2软件说明.........................................................................................................................................7

5电路的调试..................................................................................................................................................7

6仿真图..........................................................................................................................................................8

7完整电路原理图.........................................................................................................................................9

8心得体会...................................................................................................................................................10

9元件清单....................................................................................................................................................11

附录...............................................................................................................................................................11

参考文献.......................................................................................................................................................14

1设计要求

1利用数电知识设计一个步进电机驱动电路；

2能由