SOFTWARE2022软件第43卷第12期2022年Vol.43,No.12作者简介：蒋强（1983—）,男,甘肃成县人,本科,讲师,研究方向：电气自动化控制教学及科研。基于西门子PLC智能交通灯的设计与实现蒋强李瑞宁（陇南师范高等专科学校机电工程学院，甘肃陇南742500）摘要：目前,人民生活水平不断提高及汽车价格的下降,城市车辆数量逐渐增多,交通拥堵问题日益严峻,极大地增加了事故发生率。而传统固定时间控制模式的交通信号灯时效性差,无法实时适应道路多变复杂的交通流量,往往满足不了现阶段复杂路况。本文介绍了一种基于西门子S7-200SmartPLC作为核心中央控制器实现的智能化交通灯控制系统,全天候采集动态车流量信息,可远程自动调控交通灯通行时间,进一步升级优化交通控制系统,达到了实时随交通流量对红绿灯信号时间智能化的调节,减少车辆在红绿灯前等待的时间,减少交通拥堵,提高通行效率和城市交通管理能力。关键词：西门子S7-200SmartPLC；人机界面；智能化；交通信号中图分类号：TP273.5文献标识码：ADOI：10.3969/j.issn.1003-6970.2022.12.029本文著录格式：蒋强,李瑞宁.基于西门子PLC智能交通灯的设计与实现[J].软件,2022,43(12):115-117DesignandImplementationofIntelligentTrafficLightsBasedonSiemensPLCJIANGQiang,LIRuining(SchoolofMechanicalandElectricalEngineeringLongnanTeachersCollege,LongnanGansu742500)【Abstract】：Atpresent,withthecontinuousimprovementofpeople'slivingstandardsandthedeclineofcarprices,thenumberofurbanvehiclesisgraduallyincreasing,andtheproblemoftrafficcongestionisbecomingmoreandmoreserious,whichhasgreatlyincreasedtheincidenceofaccidents.Thetraditionalfixedtimecontrolmodeoftrafficlightshaspoortimeliness,cannotadapttothechangeableandcomplextrafficflowoftheroadinrealtime,andoftencannotmeetthecomplexroadconditionsatthisstage.ThispaperintroducesanintelligenttrafficlightcontrolsystembasedonSiemensS7-200SmartPLCasthecorecentralcontroller,whichcollectsdynamictrafficflowinformationallday,canremotelyandautomaticallyadjustthetrafficlighttraveltime,furtherupgradeandoptimizethetrafficcontrolsystem,achievetheintelligentadjustmentoftrafficlightsignaltimewithtrafficflowinrealtime,reducethewaitingtimeofvehiclesinfrontoftrafficlightsandreducetrafficcongestion...
