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1、毕业设计（论文）基于单片机的自行车里程速度计设计摘要随着自行车行业和电子技术的发展，自行车里程速度计技术也在不断进步和提高，用户对自行车里程速度计的要求也越来越高，因此设计了自行车里程速度计。本文主要研究了以单片机为基础的自行车里程速度器的设计。采用STC89C52单片机为主要控制芯片，运用自行车车轮上的传感器进行计数，通过一定时间间隔对信号的采集，结合自行车本身车轮参数，经过单片机对采集信号进行分析计算，最终在液晶显示器LCD上显示车辆行驶的里程和速度，同时运用其他按键分别自行车单里程计数，瞬时速度、最
2、大速度和平均速度显示，具有超速报警。该设计重点阐述了系统的工作原理、硬件构成、各部分的主要功能以及软件的结构和实现。自行车里程速度计的设计本着安全、方便、节能、人性化的原则进行，可使现代生活显著提高。关键词：自行车,STC89C52,LCD1602IIIIII毕业设计（论文）BicyclemileagevelocitymeterbasedonMCUABSTRACTAlongwiththedevelopmentofthebicycleindustryandelectronictechnology,bicyc
3、lespeedometertechnologyisalsoinconstantprogressandimprove,userdemandforbicyclemileageismoreandmoreisalsohigh,soIchosebicyclemileagespeedometerThisarticlemainlyintroducedtakethemonolithicintegratedcircuitasthefoundationrentalcarfareregisterdesign.Usesthe89
4、C52monolithicintegratedcircuitfortheprimarycontrolchip,usingthepressedkeysignalimitationrentalcarwheelcountingsignal,simultaneouslyutilizesotherpressedkeystocontroltherentalcarmovementtocarrypassengersseparately/thespatialvehiclecondition,thekilometeridea
5、regulation/waitingtimeandthetravelingscheduleexpenseamounttothedemonstration.Thesystemusedthreegroupsofnixietubes,theutilizationdynamicdisplaytechnologyhasdemonstratedthedistanceinkilometer,thestandbyperiodandtheexpenseseparately.Meanwhilecarriesonthedesi
6、gnusingthesoftwareprogrammingtothemonolithicintegratedcircuittimer,producesthewaitingtimedpulsesignal.thisarticleelaboratedwithemphasissystem'sprincipleofwork,thehardwareconstitution,variouspartofmajorfunctionsaswellassoftware'sstructureandrealizes.Themil
7、eagelogsystemwithSTC89C52ascontrolcore,usingsensorstodetectsignals,byacertaintimeintervalsignalcollection,incombinationwithitself,bicyclewheelparametersthroughsinglechipmicrocomputerfortheanalysisofthecollectedsignal,finallydisplayedontheLCDscreenLCDvehic
8、lemileageandspeed,overspeedalarm。Thedesignofthismulti-functionwindowwillbeinlinewiththeprinciplesofsafe,convenient,energysaving,user-friendly,anditwillmakemodernlifesignificantlyimproved.Keywords：Bicycle;STC89C52;LC
