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1焦作大学机电工程学院专科毕业设计题目（中文）：基于单片机的公交车自动报站器的设计（英文）：AutomaticreportingsystembasedonSCM姓名陈易凡学号080108508系（部）机电工程系专业、年级机械制造与自动化2008级5班指导教师孟超二○一〇年11月2公交车已经成为一般工薪族和学生族出门必须的交通工具，目前公交车上采用的公交报站系统具有语音和显示报站的基本功能，但由于报站时采用司机手动切换，一方面增加了司机的劳动强度，另一方面由于司机的误报或漏报，造成乘客误下或漏下，对于公交运营产生了很大负面影响，更会对乘客造成很多不必要的影响。为此，研究公交车自动报站系统是非常必要的。本课题主要研究的是基于AT89C51的公交车自动报站系统，该系统在公交车到站前语音报站，并且有LED数码管显示，到总站时公交车可向总站发送到站信息，方便总站安排公交车次。本课题要求设计一公交车自动报站系统，以实现公交车的语音自动报站，即在进站、出站时候自动播报语音提示信息及服务用语，同时利用LED点阵电路进行汉字显示。本设计要求利用AT89C51作为主控芯片完成主控电路的设计，辅助电路要求包括语音电路、汉字点阵显示电路、电源电路等。公交车报站系统主要由四个部分组成，即主控电路、脉冲检测电路、语音电路以及LED点阵汉字显示电路。关键词自动报站，80C51单片机，语音芯片、LEDAbstractThepublictransportationhasalreadybecamethegeneralwageraceandthestudentracewentoutmustthetransportationvehicle,atpresentonthepublictransportationusesthepublictransportationnewspaperstationsystemhadthebasicfunctionwhichthepronunciationandthedemonstrationnewspaperstood,butbecausethenewspaperstoodtimeusedthedrivermanualcut,ontheonehandincreaseddriver'slaborintensity,ontheotherhandbecausedriver'smisinformationorfailedtoreport,createdthepassengerbymistakeunderorthemildchronicbloodyvaginaldischarge,hashadtheverygreatlynegativeinfluenceregardingthepublictransportationoperation,couldhaveverymanynonessentialinfluencestothepassenger.Therefore,studiesthepublictransportationautomaticnewspaperstationsystemisextremelyessential.Thistopicmainresearchisbasedonat89C51publictransportationautomaticnewspaperstationsystemfront,thissystemstationsofarrivalthepronunciationnewspaperstationinthepublictransportation,andhastheLEDnixietubetodemonstrate,tomainterminalwhenthepublictransportationmaystationofarrivaltheinformationtothemainterminaltransmission,convenientmainterminalarrangementpublictransportationcoachnumber.Thistopicrequestdesignsapublictransportationautomaticnewspaperstationsystem,realizesthepublictransportationpronunciationautomaticnewspaperstation,namelyisenteringthestation,outputtingtimedisseminatesnewsthevoicepromptinformationandtheservicelanguageautomatically,simultaneouslycarriesontheChinesecharacterdemonstrationusingtheLEDlatticeelectriccircuit.ThisdesignrequestusingAT89C51tookthemastercontrolchipcompletesthemastercontrolelectriccircuitthedesign,auxiliarycircuitrequestincludingpronunciationelectriccircuit,Chinesecharacterlatticedisplaycircuit,powercircuitandsoon.Thepublictransportationnewspaperstationsystemmainlyiscomposedbyfourparts,namelymastercontrolelectriccircuit,pulseexaminationelectriccircuit,pronunciationelectriccircuitaswellasLEDlatticeChinesecharacterdisplaycircuit.KeywordAutomaticnewspaperstation,80C51monolithicintegratedcircuit,pronunciationchip,LED3目录1.1课题研究的背景及意义.........................................................................................................................................51.2报站器的动态发展趋势.........................................................................................................................................51.3设计的主要目标任务.............................................................................................................................................61.4技术指标.................................................................................................................................................................62.1方案比较.................................................................................................................................................................72.1.1方案一.................................................................................................................................................................72.1.2方案二.................................................................................................................................................................82.2方案选择.................................................................................................................................................................83.1.1关于AT89C51单片机.........................................................................................................................................93.1.3复位电路的设计...............................................................................................................................................143.1.3.2上电复位.......................................................................................................................................................163.1.3.3复位后寄存器的状态...................................................................................................................................163.2脉冲检测电路的设计...........................................................................................................................................183.2.1.1霍尔器件的分类...........................................................................................................................................183.2.1.2工作磁体的设置...........................................................................................................................................183.2.3脉冲检测电路的设计.......