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************本科毕业设计（论文）通用交通灯控制系统设计学院（系）：专业：学生姓名：学号：指导教师：评阅教师：完成日期：********通用交通灯控制系统设计I摘要交通在我们日常的生活中占有重要地位，随着社会活动的日益频繁，这点体现的尤为淋漓尽致。人、车还有路的三者关系的协调，成为交通管理部门面对并需解决的首要问题。交通灯，则成为疏导交通最常见并且最有效的方法。随着微控技术的发展，单片机在工业的控制、智能化仪表和家电等领域都得到广泛应用。所以了解单片机的知识和掌握单片机应用技术是具有重大意义的。本系统是以单片机AT89C51为中心器件，来设计通用交通灯控制系统。系统的实用性较强、操作简单且扩展性能强。本设计运用单片机来模拟六车道十字路口交通灯和人行道显示灯的各种状态显示。本设计系统是由单片机I/O口的扩展电路、交通灯的状态显示电路、中断系统电路和复位电路等几大部分组成。软件采用C51编写，仿真是运用了PROTEUS软件和KRIL联合仿真，并且达到了预期的仿真结果，实现交通灯的控制功能。关键词：交通灯；AT89C51；74HC164；程序通用交通灯控制系统设计IIAbstractTrafficplaysanimportantroleinourdailylife,socialactivitieshavebecomeincreasinglyfrequent,thisisreflectedparticularlyvividly.Coordinationoftherelationsofpeople,vehiclesandroad,hasbecomethetrafficadministrativedepartmentofthefaceandtheneedtosolvetheprimaryproblem.Trafficlights,whatisthemostcommonandmosteffectivewaytoeasethetraffic.Withthedevelopmentofmicro-controltechnology,Single-chipmicrocomputerhaswidelyusedinthefieldofindustrialcontrol,intelligentinstrumentsandappliancesandother,andcontinuouslyimprovethetechnicalleveloftheaboveareas.Understandtheknowledgeofthemicrocontrollerandthemastermicrocontrollerapplicationoftechnologyisofgreatsignificance.ThissystemisbasedonAT89C51microcontrollerdevices,asthecentertodesignageneral-purposetrafficlightcontrolsystem.Thesystemisutility,MCUandexpansionofastrongperformance.Theuseofdesignmicrocontrollertosimulatevariousstatesofthesix-laneintersectiontrafficlightsandsidewalklightsdisplay.ThedesignsystemisextendedbythemicrocontrollerI/Ocircuits,thestateofthetrafficlightdisplaycircuit,interruptionofseveralmajorcomponentsofthecircuitandresetcircuit.ThesystemusesC51writingsoftware，useofthePROTEUSsoftwareandtheKEILjointsimulation,andtoachievetheexpectedresultsofthesimulation,realizethetrafficlightscontrolfunction.Keywords:trafficlights;AT89C51;74HC164;program通用交通灯控制系统设计III目录摘要.........................................................................................................................................IAbstract.....................................................................................................................................II1绪论........................................................................................................................................11.1引言............................................................................................................................11.2选题的意义................................................................................................................11.3交通灯的发展............................................................................................................22交通灯设计方案....................................................................................................................32.1语言的选择................................................................................................................32.2单片机的选择............................................................................................................32.3主要器件介绍............................................................................................................32.3.1AT89C51..........................................................................................................32.3.274HC164..........................................................................................................62.4系统总设计................................................................................................................82.5交通灯分析................................................................................................................83硬件设计..............................................................................................................................113.1模块电路图..............................................................................................................113.2总电路图..................................................................................................................124软件设计..............................................................................................................................125调试与仿真..........................................................................................................................135.1程序的调试..............................................................................................................135.1.1Keil软件介绍.............................................................................................135.1.2调试程序......................................................................................................135.2仿真..........................................................................................................................145.2.1Proteus软件介绍.......................................................................................145.2.2仿真结果......................................................................................................15结束语...........................................................................................