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1、基于单片机的智能交通灯控制系统摘要传统交通灯控制系统从采用计算机控制到现代化的电子定时监控,在科学化、自动化上不断地更新、发展和完善。但是,随着社会的不断进步,传统的交通灯的缺陷也日益出现,其中设计过于死板,红绿灯交替变换时间过于程式化是最突出的问题。本设计的目的在于设计出一个具有实用价值的、性价比较高的智能交通灯的控制系统。该系统由车辆检测电路、信号灯电路、时间显示电路、紧急转换电路四部分组成。结合了数学中“模糊控制”累积计数的原理,以美国ATMEL公司开发的低功耗,高性能CMOS8位AT89S51单片机为控制芯片,利用W
2、ave6000并结合汇编语言设计MCU,采用Proteus软件对交通灯控制系统进行仿真,仿真结果表明:系统性能较好,稳定性高,可实现十字路口城乡交通自动控制和紧急情况下能够手动切换信号灯让特殊车辆优先通行,能够达到道路的最大通行效率。关键词:ATM89S51单片机;智能交通灯控制系统;模糊控制;PROTEUS仿真1TheDesignofIntelligentTrafficLightControlSystemBasedOnMCUAbstractTraditionaltrafficcontrolsystembycomputerc
3、ontroltomodernizationfromtheelectronictimingcontrol,inscientificandautomationinconstantlyupdate,developmentandimprovement.However,withthedevelopmentofsociety,thedefectsofthetraditionallightsarealsoincreasinglyappeartooformalist,includingdesign,lightsalternatesalter
4、natelytimescheduleisthemostoutstandingproblems.Thepurposeofthedesignistodesignwhichispracticalandhighperformance.Betterperformanceofthesystem,Thissystemconsistsofvehicledetectioncircuit,signalcircuit,timedisplaycircuit,emergencycircuitfourparts.Combiningthefuzzycon
5、trolinmathematics","theprinciple,thecumulativecountbyAmericanATMELcompanydevelopmentoflowpowerconsumption,highCMOS8AT89S51bitsforcontrolchip,andusingtheWave6,000assemblerlanguagedesignedbyMCU,Proteusoftrafficcontrolsystemsoftwaresimulation,thesimulationresultsshowt
6、hatthesystemperformanceisgood,highstability,mayrealizetheintersectiontrafficautomaticcontrolandemergencysituationscanmanuallyswitchedsignalmakespecialvehicleright-of-way,canachievemaximumefficiencythroughtheroad.Keywords:ATM89S51SCM;intelligenttrafficlightcontrolsy
7、stem;fuzzycontrol;PROTEUSSimulatio目录2第一章前言.........................................................................................................................31.1交通灯控制系统的研究现状................................................................................41.2基于
8、单片机的智能交通灯控制系统设计的意义.................................................4第二章智能交通灯控制系统的总体设计............................................................