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毕业设计（论文）题目基于PLC与组态王的交通灯控制系统设计作者院(系)专业指导教师答辩日期榆林学院毕业设计（论文）诚信责任书本人在此郑重声明：本人此次所呈交的毕业设计（论文），是本人在导师的亲自指导之下独立进行研究所取得的成果。毕业设计（论文）中但凡引用他人已发表或未发表的成果、数据、观点等，均已明确注明其出处。据我所知，除了此次论文已经注明引用该文件的内容不会包含其他任何个人已经发表或撰写的学术研究。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明。如若本人毕业设计（论文）与资料不实，愿承担一切的相关法律责任。论文作者签名:年月日摘要随着人们的消费水平不断提高，私人车辆不断的增多，人多、车多、道路少的道路交通状况已经很明显，同时各路口是城市道路网的咽喉要道，因此十字路口信号灯的控制更为重要。我们通常需要对整个系统进行集中监控与管理，所以采用有效的方法控制交通灯是势在必行的。本论文详细介绍交通灯的正常运行情况，采用具有通用性强特点的型号为CPU224的S7—200系列PLC实现控制，给出相应的硬件接线和梯形图，将组态王与PLC相结合实现对十字路口交通灯实时控制，具有直观、控制程序可变、易于掌握的特点。组态王软件是由北京亚控科技发展有限公司开发的工业级软件,也是首个应用于我国航空、航天领域的国产组态软件,具有开发简单、扩展性好、可靠性高等优点。，因此运用组态王软件制作十字路口交通灯控制系统动态监控画面，并将其与PLC实现串行通信，进而实现对十字路口交通灯实时控制。本课题主要是组态画面与实验室中实验台上的十字交通灯相对应而设计的，实现了组态王与PLC在实验中的连接。关键词：组态王;PLC;交通灯;控制系统TrafficLightControlSystemDesignBasedonPLCandKingViewABSTRACTWiththecontinuousimprovementofpeople'sconsumptionlevel,privatevehiclescontinuestoincrease,manypeople,cars,roadsandlessroadtrafficsituationhasbeenveryclear,atthesametimeeachintersectionisthecityroadnetworkchokepoints,sotheintersectionsignalcontrolmoreisimportant.Weusuallyneedtheentiresystemforcentralizedmonitoringandmanagement,sotheuseofeffectivemethodstocontroltrafficlightsisimperative.Thispaperdetailsthenormaloperationoftrafficlights,theuseofmodelswithversatilefeaturesforCPU224oftheS7-200seriesPLCforcontrol,giventheappropriatehardwarewiringandladder,theconfigurationbycombiningthekingandPLCreal-timecontroloftrafficlightsonthecrossroads,withanintuitivecontrolprogramvariable,easytolearn.KingviewsoftwareisbyBeijingasiacontrolTechnologyDevelopmentCo.,Ltd.developedindustriallevelsoftware,isthefirstapplicationinChinainthefieldsofaviationandaerospacedomesticconfigurationsoftware,hasthedevelopmentofsimple,good,hastheadvantagesofhigherreliabilitygrowth.ApplicationofKingviewsoftware,sothecontrolofdynamicmonitoringsystemoftrafficlightsatthecrossroads,andwiththePLCtoachieveserialcommunication,soastorealizethereal-timecontrolofthetrafficlightsatthecrossroads.[1]Themaintopicistheconfigurationscreenandthelaboratoryexperimentplatformofsingleintersectiontrafficlightsandthecorrespondingdesign,realizestheKingviewandPLCintheexperimentoftheconnection.Keywords:Kingview;PLC;TrafficLights;ControlSystems目录摘要..................................................................................................................................................IAbstract................................................................................................................................................II目录................................................................................................................................................III1绪论..................................................................................................................................................11.1本设计的目的及意义.............................................................................................................11.2国内外发展研究现状.............................................................................................................11.2.1国外发展现状..............................................................................................................11.2.2国内发展现状..............................................................................................................21.3本设计的主要内容.................................................................................................................21.4本章小结................................................................................................................................32系统方案设计...................................................................................................................................42.1系统性能分析........................................................................................................................42.2控制方案分析....................................................................................................................42.3PLC选型分析.........................................................................................................................53硬件设计...........................................................................................................................................63.1PLC简介..................................................................................................................................63.1.1PLC定义及硬件结构....................................................................................................63.1.2PLC的主要功能及特点................................................................................................73.1.3PLC编程语言................................................................................................................93.2交通灯控制分析...................................................................................................................103.3PLCI/O分配........................................................................................................................103.4PLC接线图................................