智能小车英文文献

1、.ElectricintelligentcarbasedonSCMThesingleslicemachineisalsocalledtinycontroller,isbecauseitwasusedintheindustrytocontrolrealmattheearlieststage.SingleslicemachinefrominsidechiphaveCPUappropriationprocessortodeveloponlysincethen.Attheearlieststageofdesigntheprincipleistopasstointegrateagreatdealofpe

2、ripheralsandCPUinachip,makingcalculatorsystemsmaller,integratingmoreeasilyintocomplicatedofbuttomentiontorequestastrictcontrolequipmentsinthemiddle.TheINTELZ80istheprocessorwhichdesignedaccordingtothiskindofthoughtattheearlieststage,fromnowon,singleslicethedevelopmentofthemachineandappropriationproc

3、essorwentbydifferentroadsthen.Thesinglesliceoftheearlierperiodallofmachinesare8or4.Amongthem,theINTELismostsuccessfulof8031,becauseofinbriefdependablebutthefunctionwasquitegoodtoacquireverybiggoodopinion.Henceforthat8031updevelopedMCS51seriesesasingleslicemachinesystem.Accordingtothesinglesliceofthi

4、ssystemmachinesystemisstillintheextensiveusagetillnow.Becausetheindustrycontrolstheexaltationofwithrealmrequest,startingappearing16singleslicemachine,butbecausesexpricewantedtodontgetaveryextensiveapplicationthanthedisregard.Developgreatlyalongwiththeconsumptionelectronicsproductafter90s,thesinglesl

5、icemachinetechniquegotahugeexaltation.AlongwiththeextensiveapplicationofINTELi960seriesesespeciallylaterARMseries,the32singleslicemachinereplaces16singleslicethehighlevelpositionofthemachinequickly,andgetsintoanessentialmarket.Andtraditionalof8singleslicethefunctionofthemachinealsogottoflytoraisesoo

6、n,handlinganabilitytocomparewithtoraisefewahundredfoldsin80s.Currently,32singlesliceofthehighlevelwithmainmachinealreadyover300MHzs,thefunctionkeepsappropriationprocessorofmakingtrackforthemid90s,andthecommonmodelnumberfactorypricedropintotoUSD1,tallestcarryof.modelnumberalsoonlyUSD10.Thecontemporar

7、yandsingleslicemachinesystemhasalreadynolongerdevelopedandusedjustunderthenakedmachineenvironment,theingreatquantitiesappropriativebuilt-inoperatesystemisappliedextensivelyinthewholeseriesesesofthesinglesliceisonboard.ButBeisingthehighlevelofhandheldPCandcellularphonecoreprocessingsingleslicethemach

8、ineevencanuseappropriativeWindowsandtheLinuxoperatesystemdirectly.Singleslicethemachineratioappropriationprocessoristhemostsuitabletomatchtoapplyinthebuilt-insystem,soitgotthemostapplications.Infactthesingleslicemachineisanamountthemostcalculatorsareintheworld.Themodernmankindarelivingmediumuseofass

9、embleinalmosteachelectronicsandmachineproducthaveasingleslicemachine.Allhave1-2singleslicemachineinthecomputeraccessoriesessuchascellularphone,telephone,calculator,homeappliances,electronicstoy,handheldPCandmouseetc.Andpersonalcomputerinwouldalsocapablenumbernotafewsingleslicethemachinebeworking.Pro

10、videwithmorethan40departmentsasingleslicemachinegenerallyonthecar,complicatedindustryscontrolingthetopofthesystemevenmayhassingleseveralhundredpedestalsesslicesmachinetoworkinthemeantime!SingleslicetheamountofthemachinenotonlyfarabovethePCmachineandothercalculationsofcomprehensive,eventhanthemankind

11、samountstillwanthaveanother.OnthebaseofSCM,throughreseachandtorealizeaphotoelectricsensorforsenstivecomponents,withAT89C51ascontrolcoreelectrictracingofintelligentcontrolcarbonylation-thecar,Thesystemisalsoincludingdcmotor,L9110chipsandLM324comparatoretc.ThedesignUSESAT89C51asintelligentcarcorecontr

12、ollre.ThesystemtakesmicrocontrollerascontrolcoreandrealizationofelectricbeforeEnter,back,turnleftandrightturnfunction.ThroughtheanglesensordetectionTheseesawAnglechange,useincrementalPIalgorithmtocontroltheelectriccarforbalance,andusingphotoelectric.sensordetectionblackline,maketheelectricityActuati

13、onvehicleinthecourseofdrivingkeeplinearmotionanddontskipfromatrium.一.ProjectDesignLightbyasensor,therealityofthecarismovingquicklydegrees,bit,buy,transportationlineshapewhenmeasuredquantityofrealcondation,andwillbemeasuredquantitynumberaccordingtopreachsenttomonnolithicmachineintolineprocessing,butb

14、ysinglechipmachineaccordingtorealnowtoelectricactuationvehiclewisdorcancontrolsystem.thiskindofsquarecasecanrealnowtoelectricactuationvehicledynamicshapestateintotheshipmentdorealpossessioninsystem,controlsystemspiritalive,candepend,puredegreeishigh,canfullfootofeachitemofthestockingtobeg.straightep

15、idemiologicalspeedistasseledstraightepidemiologicalspeeddepartmentwithplusewidthmodulationexperience.meanwhilegatherspeedisexperience.Meanwhile,itsmainelectricpulsewidthmodulationbyrodasystemtypevariablechangedevice,janesaysPWMvariablechangedevice.AdjustablespeedbyinthedepartmentofPWMexperience.mean

16、whileopenshutfrequencyrateishigh,onlyonelectrictybarnadoelectrictysenseoffilterwavecanbeusetogentomoveverysmallstraightpulseelectricflow,electrictyflowbarnnadoelectriccapacityeasileventantras,departmentoflowspeedoperationflatexperience.meanwhile,adjustableelectricflowwaveshapethanV-Msystem,beinphase

17、withflattoallelectricalflowdynamicmachine,electricheatconsumptionandhairlossthanasmall.Withthesamplebyinopenshutfrenquencyrateishigh,andifafastspeedofelectricmachineringshouldmatchclose,fastentasseledphasecanbetogetverywidefrenquencyband,becauseofthefastspeedringshouldgood,dynamicconfigurationsexual

18、canperturbationresistancecanforceispowerful.Accordingtotheroot,withmorethanensemblecloseandthissetofelectricmachinespeedstraightflowofhair,theexhibitortoadopttheprojectwithasingleextremelyHtypecanbechangedintochangedeviceinversePWMlinespeed.1.1photoelectricdetectionmoduledesignTheintelligentcarwasst

19、uckontheblacklinerunningonwhitepaperroad,sothismoduledesignneedtodetectshopontheblackrubberbeltdrivearea,includingrunstraightalongthearcdistrictanddrivingdistricttwoarea,becasureoftheblackandwhitepapertolightreflectioncoefficientisdifferent,canaccordingtoreceivereflectedlight.Thestrengthofthejudgero

20、adtheblackline.ThispaperUSESlytheinfrareddetectionmethod.Infrareddetectionmethod,I,e,useinfraredrayindifferentcolorsofphysicalsurfacewithdifferentreflectionproperties.Inthecardrivingprocesscontinuallytothegroundtolaunchtheinfrared,whentheinfraredmetwhitegroun

21、doccurswhenthereflectedlight,aimlessandlaunchpackedonthecarofreceivingtubereceivinglessthansignal.1.2signalcomparativemoduledesignThispartdesignUSESaLM324comparator,ofsensorsignalvoltagereceivedcompareandamplified,andwillcomparetheresultafterfeedtothemicrocontroller,usedtodetectsensorsensitivity,whe

22、ntwosensorssimultaneouslydetectlight,straightforward.Whenthesensorcantdetectlight,incut-offstate,doubleLM324operationalamplifieroutputlowleveltomicrocontroller,byprogramprocessing,ifleftnotdetectlight,thenleftcorrectdirection;ifthfrighthasnotbeendetectedlight,thenturncorrectdirection.1.3motorcontrol

23、anddrivingmoduledesignBecauseuseisdoubledrivecars,thispartofthecircuitmustbeabletooutputoftwodifferentvoltagevalues,respectivelytocontrollingtrolleyrightandlefttwomotordrive,thetwoofthewheelspeedanddirectionofthesameordifferent,thustocontrolitsadvanceandturning.insystemdesignprocess,usetwoL910chipst

24、oconnectSCManddcmotorrespectively.L9110isforcontrolanddrivemotordesign.twochannelspush-pullpowerampliferapplication-specificintegratedcircuitdevice,discretecircutsinmonolithicICintegratedsuchthattheperipheralequipmentsinlowercostandthewholemachinecancarryonsexualhigh.ThecoreslicetwoaTTL/CMOSandletel

25、ectricityflatloseinto,havegoodanti-jamming,twooutputterminalcanpickfloodingdynaicelectricmachinestraighttotheshipmentofpositivereversemoveandithashadabigelectricityflowfloodingdynamiccanforceeachcallwaycanpassover800macontinuouscurrent,peakcurrentcapacityof1.5-2a;atthesametimeithasloweroutputsaturat

26、ionpressuredropandthestaticelectricity,thebuilt-inclampadiodecanreleasetheperceptualloadofreversecurrentimpulse,makingitthfdriverelays,dcmotors,steepingmotororswitchpowertubetheuseofsafeandreliable.FollwingtracingcarsystemtocommonAT89C51,complementarywithrelativelsimplecomponentsandcircuitdesign,the

27、smoothcompletionoffollowunderthepremiseoftracingfunction,andfullyconsideredappearance,cost,somostofthecircuitcarbymannualweidingiscomplete,inthedesign,weneverinacircuitincreaseredundantfunctions,butretainedvarioushardwareinterfaceandsoftwaresubroutinesinterfacetofacilitatetheexpansionanddevelopmenta

28、fter.systemsoftwaredesignThissystemsoftwaremodularstructure,themainprogrem,initialanti-fuzzyprocedures,interruptsubroutines,delaysubroutines,buttonspronunciationsubroutinesbuttonsscanningsubroutinesconstitutes.2.1tracingsubroutinesdesinTracingmoduleisdesignedbytheleftrightphotoelectricsensoroutputterminalreceivingmonolithicmachinerespectively,P22andP23tubefeet,thenthroughthemicrocontrollerprogramming,producePWMcontrolsignal,throughL298controlmotorspeed,letthecartomoveforward,leftturn,turnrightandstopdrivingpurpose.2.2avoidbarrierofprogr