—基于labview的交通信号灯课程设计 .pdfVIP

《虚拟仪器》课程设计说明书

基于labview的交通信号灯课程设计

系、部：

学生姓名：

指导教师：职称

专业：

班级：

完成时间：

目录

1虚拟仪器LabVIEW和交通灯简介·················3

1.1LabVIEW简介·······················3

1.2交通灯介绍························3

2总体设计方案··························4

2.1实现功能·························4

2.2总体设计思路·······················4

3程序的设计···························5

3.1前面板设计·························5

3.2定时信号的产生······················6

3.3时间信号的分段······················6

3.4各组时间信号的动作····················7

3.5循环的设计························10

4调试及结果···························11

结束语·····························14

致谢·····························15

参考文献····························16

附录交通灯程序图·······················17

摘要

LabVIEW是一种用图标代替文本进行创建应用程序的图形化编程语言。本文

首先分析了绿波带的实际应用及发展状况，然后重点分析了基于LabVIEW软件的

交通信号灯绿波带设计过程，通过使用case结构、for循环等函数控件，运用

商与余数的基本算法，实现红绿灯的倒计时控制，程序中定时计数可人为设定，

灵活的人机交互方式充分发挥了虚拟仪器软件的特点。接着使用74LS04与

74LS08两种芯片的与门和非门结构在ELVIES平台上搭建了硬件电路，而且很好

的实现了电脑与平台之间的通信。最终调试中整个系统能够很好的反映绿波带的

功能，而且明确的显示了绿波带的可调节性。

关键词LabVIEWELVIS平台交通控制

1

Abstract

LabVIEWisagraphicalprogramminglanguagewhichusesiconsinstead

oftextstocreateapplications.Thisarticlefirstanalyzesthepractical

applicationandthedevelopmentofgreenwave.Andthenitemphatically

introducesthedesignprocessoftrafficlightsgreenwavewhichbased

onLabVIEW.Usingthebasicalgorithmofthequotientandtheremainder

withthecaseconstruction,theforcirculationandsomeotherfunction

controls,wecancontrolthecountdownofthetrafficlights.Andthetime

countcanbesetartificiallyintheprogram.The