[优秀毕业设计精品]基于51单片机的多功能智能小车毕业论文(电路+程序+论文)

1基于单片机的多功能智能小车设计论文电路程序论文摘要（关键词智能车单片机金属感应器霍尔元件1602LCD）智能作为现代的新发明，是以后的发展方向，他可以按照预先设定的模式在一个环境里自动的运作，不需要人为的管理，可应用于科学勘探等等的用途。智能电动车就是其中的一个体现。本次设计的简易智能电动车，采用AT89S52单片机作为小车的检测和控制核心；采用金属感应器TLQ5MC来检测路上感应到的铁片，从而把反馈到的信号送单片机，使单片机按照预定的工作模式控制小车在各区域按预定的速度行驶，并且单片机选G6333的工作模式不G2528G1075可控制小车G20046G11540SG5430铁片行驶；采用霍尔元件AG23G23G40检测小车行驶速度；采用1602LCDG4466G7114G7186G12046小车行驶的G7114G19400，小车G1584G8502行驶后，G17730G8981G7186G12046小车行驶G7114G19400G451行驶G17329G12175G451G5191G3355速度以G2462各速度区行驶的G7114G19400。本设计G13479G7512简单，G17751G4493易G4466现，G1306G1867G7389G20652度的智能G2282G451人G5627G2282，一定G12255度体现G1114智能。2目录1设计G1231G2165G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G221G171要G8726G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G222方G7708G8616G17751G994选G6333G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G232G171路G19766检测模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G232G172LCDG7186G12046模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G25852G17G22测速模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G25852G17G23控速模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G25862G175模式选G6333模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G26G22G12255G5219G7706G3282G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G26G23G13007G13491的G1867体设计G994G4466现G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G171路G19766检测模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G172LCDG7186G12046模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G17G22测速模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G17G23控速模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G175G3809G1313电路模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2589G23G176模式选G6333模G3371G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G25895G7380小G13007G13491G3282G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258106G7380G13468G51CG37G7507G3282G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G25812G26G13007G13491G12255G5219G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2581G228G14280G16886G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G2369G2454G13783G7003G10498G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G23G2610G19480G5417G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G258G23831设计任务设计并制作G1114一个智能电动车，其行驶路G13459G9397G17287G6164需的要G8726。11要求111基本要求G7081）G2010区控制G726G3926G708G32821）G6164G12046G726G708G32821）车G17754从G17227G17317G13459G1998发G708G1998发G2081，车体不G5483G17241G1998G17227G17317G13459）。在G12544一个路G12255CD区G7083G7946G12871）以G1314速行驶，G17902G17819G7114G19400不G1314于10S；G12544G1120个路G12255DE区G7082G12871）以G20652速行驶，G17902G17819G7114G19400不G5483G3822于4G12198；G12544G989个路G12255EF区G7083G7946G12871）以G1314速行驶，G17902G17819G7114G19400不G1314于10S。G7082）小车能自动G16772G5417G451G7186G12046行驶G7114G19400G451行驶G17329G12175以G2462行驶速度，G17836能G16772G5417G8611G8585G6164G17220的G7114G19400，从而G2040G7041是G2554G12538G2524G16850G12255设计要G8726。G708G16772G5417G7186G12046G16025G13634要G8726G4445G16025在车上）。112发挥部分SG3423控制G726G3926G708G32822）G6164G12046G7264G708G32822）车G17754G8851G11540SG5430铁片行驶，自动G17728G5379，自动G4559G6226G8503G11842方向和铁片。G5415G12175G5332SG3423铁片G17317G17959G6122G13785感应不到铁片一G8585G7114G19400的G7114G1517，小车自动G1584G8502，并G16772G5417行驶G7114G19400，路G12255，G5191G3355速度并G17902G17819LCDG7186G12046G1998来。2方案比较与选择G7693G6466设计G1231G2165要G8726，并且G7693G6466G6117G1216自G5061的需要而G19480G2164的G2163能，该电路的总体G7706G3282可G2010为几个基本的模G3371，G7706G3282G3926G708G3282G22）G6164G12046G726G708G3282G22）21路面检测模块采用铁片感应器TLQ5MC来检测路G19766上的铁片从而给单片机中G7041脉冲。原理G3282接G13459G3926G708G3282G23）G6164G12046G7265G708G3282G23）22LCD显示模块采用1602LCD，由单片机的总G13459模式连接。为节约电源电量并且不影响LCD的G2163能，LCD的背光用单片机进行控制，使LCD的背光在小车行驶的G17819G12255中不亮，因为G6117G1216不必看其G7186G12046；在其它G6117G1216需要看G7186G12046的内G4493的G7114G1517LCD背光亮。23测速模块231方案1采用采用霍尔G5332关元器件AG23G23G40检测G17730子上的小磁铁从而给单片机中G7041脉冲，达到测量速度的作用。霍尔元件G1867G7389体积小，频率响应宽度大，动态特G5627好，对外围电路要G8726简单，使用寿命长，价格G1314廉等特点，电源要G8726不G20652，G4445G16025G1075G17751为方便。霍尔G5332关只对一定强度的磁场G17227作用，抗干扰能力强，因此可以在车G17730上G4445G16025小磁铁，而将霍尔器件G4445G16025在固定轴上，G17902G17819对脉冲的计数进行车速测量。232方案2采用红外传感器进行测速。G1306无论是A1A0A2A3A4A5A6A7A8A9A10A0A2A3A4A5A6A7A12A13A11A10A14A10A4A15A16A17A18A19A20A21A12A23A22A4A24A16A17A25A26A27A12A29A28A30A31A21A12A33A32A34A20A35A36A37A39A40A38A10A41A421A44A41A422A25A43A20A45A46A47A48A12A50A49A51A41A52A53A54A55A28A56A57A41A421A12A45A58A59A60A61A62A63A65A605A66A67A64A69G708G32825）624控速模块241方案1使用G2163率G989极管作为G2163率放大器的输G1998控制直G8981电机。G13459G5627G3423驱动的电路G13479G7512和原理简单，成本G1314，G2164速能力强，G1306G2163率损耗大，特别是G1314速大G17728G17329运行G7114，G17902G17819电阻R的电G8981大，发热厉害，损耗大，对于小车的长G7114G19400运行不利。242方案2采用继电器对电动机的G5332G6122关进行控制,G17902G17819G5332关的切换对小车的速度进行调整G17此方G7708的优点是电路G17751为简单,缺点是继电器的响应G7114G19400慢,易损坏,寿命G17751短,可靠G5627不G20652。243方案3采用由双极G5627管组成的H桥电路。用单片机控制晶体管使之工作在占空G8616可调的G5332关状态，精G11842调整电机G17728速。这种电路由于工作在管子的饱和截G8502模式下，效率非常G20652；H桥电路保证G1114可以简单地G4466现G17728速和方向的控制；电子G5332关的速度很快，稳定G5627G1075很G20652，是一种广泛采用的调速技术。综G2524G22种方G7708的优缺点，决定选G6333方G7708G22，其电路原理G3282G3926G708G32826）G6164G12046G726G708G32826）725模式选择模块模式选G6333模G3371G17902G17819一个G26G23LS00G994非门和两个不带锁按钮来控制单片机单片机的两个中G7041G2487，从而按动按钮来选G6333小车G17220动的路G3423G451来选G6333小车的速度是快速G451中速G451慢速；G17220G4448路G12255小车G1584G8502后G17836可以G17902G17819按钮选G6333G5831要在LCD上G5831看的信G5699，G8616G3926总G7114G19400G451G17220G17819各G8585路G12255的G7114G19400G451G5191G3355速度G451总路G12255等。小车G17220动的模式选G6333G7389G726G7081）直G13459G3423G726G9397G17287设计G1231G2165的基本要G8726，能稳定的G17220G4448G1852G12255。之后按G20046G5219G5502环不G7041的G7186G12046G17220G4448G1852G12255G6164用的G7114G19400G451G17220G4448G20652速区G6164用的G7114G19400和G17220G4448G1314速区G6164用的G7114G19400这G989个G7114G19400；G6122G13785可以G17902G17819两个按钮以G2462LCDG7186G12046的G14768单选G6333G6164要看的内G4493G3926G5191G3355速度G451G1852G12255G17329G12175以G2462G18039G989个G7114G19400。G7082）SG3423G726G9397G17287设计G1231G2165的发G6393G18108G2010的要G8726，小车能自动的感应到在G2081G19766G6122在后G19766铁片，G2375G12544一次G17728G5379后G14521感应到的是G19181G16835的方向，G2029小车G1262后G17876自动调整方向，G8851G11540SG3423的铁片G17220。G5415G17220G4448SG3423铁片后的一定G7114G19400里，小车自动G1584G8502。之后自动进G1849G14768单由G6117G1216自G5061选G6333要看的内G4493G7114G19400G451G5191G3355速度和G6164G17220的G17329G12175。G708G22）自动G3423G726小车先以一定的速度G17220G4448G1852G12255，之后G1889以一定的速度G1510G17876G3250G17227点，G1889调整速度在一定的G7114G19400内G17220G4448G1852G12255。G17220G4448后LCDG7186G12046的内G4493G994直G13459G3423G7186G12046的内G4493一G7691。3程序框图单片机G1039G12255G5219G7706G3282G451速度感应G12255G5219G7706G3282和铁片感应G12255G5219G7706G3282G2010别G3926G708G3282G26）G6164G12046。89G11G3282G26G12104系统的具体设计与实现41路面检测模块应用一个金属感应器，G4445G16025在车G11436下，G12175地G11065小于G6122约G3247G8639G12871。G5415金属传感器检测到铁片G7114将对单片机发送中G7041信号，单片机运行中G7041，G6925G2476输给电机驱动信号的电G2399占空G8616来控制小车的速度。42LCD显示模块采用1602LCD，由单片机的总G13459模式连接。为节约电源，LCD的背光用单片机进行控制。43测速模块G17902G17819霍尔元件感应磁铁来G1147G10995脉冲G5415霍尔元件在G12175磁场G17751G17829G7114输G1998G1262是G20652电G5191，其它G7114G1517是G1314电G5191，一个车G17730G3355G2260放G3247个小磁铁，计G12651一G12198G6164G5483的脉冲数，从而计G12651G1998一G12198小车G17730子G17728动G3292数，G1889测量G1998小车车G17730G2620长G2375可计G12651G1998小车G5415G2081速度，G13059G2164可G5483到G5415G2081路G12255。44控速模块G13783G15397到元器件的缺G4581以G2462G6117G1216G6164用的电路的驱动电机的电路原理G3282和和小车自带的电路的电机驱动原理G3282一G7691，G6164以G7254G7114使用小车自带的电机驱动电路G3282。45复位电路模块单片机的G3809G1313电路G17902G17819G6175动来G4466现，G3809G1313电路G3282G3926G708G32828）G6164G12046。G708G32828）46模式选择模块22UVCC2001KRST11两个中G7041G2487使用和感应铁片G451感应速度G6164使用的中G7041G2487一G7691，G17902G17819一个G994非门和按钮控制。原理G3282G3926G708G32829）G6164G12046G726G708G32829）5最小系统图该G13007G13491G1039要用到的是单片机，G6164以G1039要的G18108G2010是G7380小G13007G13491G3282，该G7380小G13007G13491G3282G3926G708G328210）G6164G12046G72612G708G328212）136最终PCB板图该G7380小G13007G13491的G7380G13468G51CG37G7507G3282G708G2265G6336LCD接G2487以G2462其他的外G18108G6205展电路G18108G2010，G13783G15397到G7380小G13007G13491的简G8917以G2462G4493易看G6038，外G18108G6205展电路不在G7380小G13007G13491G3282上G7186G12046。）G2010别G3926G708G328211）G451G708G328212）G6164G12046G726G708G328211）14G708G328212）7系统程序按照预定的G2163能，G13007G13491G4466现预定的G2163能的G12255G5219G3926下G6164G12046G726A68A70A71A72A73A74A75A76A77A70A71A78A79A70A71A80A81A82A83A68A70A71A72A73A74A75A76A77A84A85A86A87A88A89A90A81A82A83A91A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A93A92A92A94A95A96A97A92A92A93A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A92A91A91A92A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A98A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