步进电机控制电路的设计Word文档格式.docx
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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