智能交通信号灯设计

毕业设计(论文)I毕业设计(论文)智能交通信号灯设计THEDESIGNOFINTELLGENTTRAFFICLIGHT图书分类号：密级：毕业设计(论文)II学位论文原创性声明本人郑重声明：所呈交的学位论文，是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用或参考的内容外，本论文不含任何其他个人或集体已经发表或撰写过的作品或成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标注。本人完全意识到本声明的法律结果由本人承担。论文作者签名：日期：年月日学位论文版权协议书本人完全了解关于收集、保存、使用学位论文的规定，即：本校学生在学习期间所完成的学位论文的知识产权归所拥有。有权保留并向国家有关部门或机构送交学位论文的纸本复印件和电子文档拷贝，允许论文被查阅和借阅。可以公布学位论文的全部或部分内容，可以将本学位论文的全部或部分内容提交至各类数据库进行发布和检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。论文作者签名：导师签名：日期：年月日日期：年月日毕业设计(论文)I摘要本论文的目的是设计一种能够根据路口的车流量自动调节时间长短的智能交通信号灯。智能交通信号灯能够有效地缓解我国交通极其拥挤的现象。它通过在路口下面埋设的地感线圈来检测车辆的通过情况，然后将这些数据传送给单片机，单片机通过计数器进行车流量的统计。然后根据监测值的大小自动分配路口红绿灯的时长。单片机还控制了红绿灯的亮灭和数码管进行显示倒计时。关键词智能交通信号控制系统；交通信号灯；单片机；控制毕业设计(论文)IIAbstractThepurposeofthispaperistodesignakindofcanaccordingtoautomaticallyadjustthelengthoftrafficflowsatintersectionsofintelligenttrafficlights.Intelligenttrafficlightscaneffectivelyalleviatetrafficextremelycrowdedphenomenoninourcountry.Itbycrossingburiedunderthegroundsensecoiltodetectvehiclesbysituation,thenthedatatransmittedtoMCU,MCUthroughthecounterflowstatistics.Thenaccordingtothesizeofthemonitoringvalueisautomaticallyassignedintersectiontrafficlights.Singlechipmicrocomputercontrolthetrafficlightslightuporgooutanddigitaltubedisplaythecountdown.KeywordsIntelligenceTrafficSignControlSystemTrafficlightsSingle-ChipMicro-computerControl毕业设计(论文)I目录摘要..................................................................................................................................................IAbstract...........................................................................................................................................II目录....................................................................................................................................I1绪论.............................................................................................................................................11.1研究背景及意义...................................................................................................................11.2交通信号灯简介...................................................................................................................21.2.1交通信号灯的产生与发展............................................................................................21.2.2交通信号灯的规则........................................................................................................21.3国内外智能交通控制系统发展现状...................................................................................31.4本论文的研究思路...............................................................................................................51.5本章小结...............................................................................................................................5第2章基于车流量的红绿灯时长的确定.................................................................................62.1行人因素的影响....................................................................................错误!未定义书签。2.2车辆因素的影响....................................................................................错误!未定义书签。2.3路口红绿灯闪烁规律设计....................................................................错误!未定义书签。2.4本章小结................................................................................................错误!未定义书签。第3章基于车流量的交叉口交通灯控制系统硬件实现........................................................73.1交叉口车流量检测技术......................................................................................................73.1.1检测方式的选取............................................................................................................73.1.2地感线圈检测技术........................................................................................................73.1.3地感线圈检测电路的设计..........................................................................................103.2信号转换部分.....................................................................................................................113.3控制系统硬件的组成.........................................................................................................113.3.1单片机型号的选取......................................................................................................113.3.2交通信号的输出部分..................................................................................................123.3.3电源部分的设计..........................................................................................................143.3.4“看门狗”技术和掉电保护在系统中的应用...........................................................163.4本章小结.............................................................................................................................16第4章单片机程序的设计...........................................................................................................174.1建立项目............................................................................................................................174.2多任务的划分及程序的设计.............................................................................................184.3本章小结.........................