编号淮安信息职业技术学院毕业论文题目基于PLC交通灯设计学生姓名学号院系电气工程系专业机电一体化班级指导教师顾问教师二〇一五年十月摘要摘要本课题将研究可编程控制器（PLC）交通灯的设计。随着我国的城市化的迅速发展，车辆剧增，城市交通问题也日趋引人注目。所以，如何采用合适的控制方法，保障城市交通有序、安全、快速运行，提高城市道路的交通能力，实现交通的科学化管理迫在眉睫。通过使用PLC来改善交通灯程序，实现智能控制。并会在本文中介绍交通灯现阶段存在的不足及研究意义。以及如何实现有效的分段控制，和特殊情况下的应急模式，将传统交通灯改进为更智能更科学的交通灯，来有效解决交通问题。关键字：交通灯PLC分段应急控制PAGE\*MERGEFORMATIAbstractAbstractInthispaper,wewillstudythedesignoftheprogrammablecontroller(PLC)trafficlight.WiththerapiddevelopmentofurbanizationinChina,thevehiclehasincreaseddramatically.Therefore,howtousetheappropriatecontrolmethodtoensuretheurbantrafficorder,security,fastoperation,improvethetrafficcapacityofurbanroads,thescientificmanagementoftrafficisimminent.ThispaperwillusePLCtoimprovethetrafficlightprogram,realizeintelligentcontrol.Andwillintroducetheexistingproblemsandtheresearchsignificanceofthetrafficlightatthepresentstage.Andhowtoachieveeffectivesegmentationcontrol,andspecialcasesofemergencymode,thetraditionaltrafficlightstothemoreintelligentandmorescientifictrafficlights,toeffectivelysolvethetrafficproblems.Keywords:trafficlightPLCsegmentedemergencycontrolII目录目录摘要............................................................................................................................IAbstract.......................................................................................................................II第一章绪论..................................................................................................................11.1交通灯现状.......................................................................................................11.2研究意义...........................................................................................................1第二章交通灯方案论证..............................................................................................32.1交通灯方案控制要求.......................................................................................32.2方案实施...........................................................................................................32.3方案设计框图...................................................................................................3第三章PLC简述.........................................................................................................53.1PLC概述...........................................................................................................53.2PLC的发展.......................................................................................................53.3PLC的分类及特点...........................................................................................63.4PLC的应用.......................................................................................................73.4.1PLC的应用领域....................................................................................73.4.2PLC在我国的应用................................................................................83.5PLC的硬件结构....................................................................
