智能车辆中英文对照外文翻译文献Word下载.docx
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智能车辆中英文对照外文翻译文献Word下载.docx
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Intelligentvehicleisauseofcomputer,sensor,information,communication,navigation,artificialintelligenceandautomaticcontroltechnologytorealizetheenvironmentawareness,planningdecisionandautomaticdriveofhighandnewtechnology.Itinaspectssuchasmilitary,civilandscientificresearchhasreceivedapplication,tosolvethetrafficsafetyprovidesanewway.
Withtherapiddevelopmentofautomobileindustry,theresearchaboutthecarisbecomingmoreandmoreattentionbypeople.Contestofnationalcompetitionandtheprovinceofelectronicintelligentcaralmosteverytimethisaspectofthetopic,thenationalvariousuniversitiesarealsoattachesgreatimportancetoresearchonthetopic,manycountrieshaveputtheelectronicdesigncompetitionasastrategicmeansofinnovativeeducation.Electronicdesigninvolvingmultipledisciplines,machineryandelectronics,sensortechnology,automaticcontroltechnology,artificialintelligentcontrol,computerandcommunicationtechnology,etc.,isahigh-techinthefieldofmany.Electronicdesigntechnology,itisanationalhigh-techinstanceisoneofthemostimportantstandard,itsresearchsignificanceisgreat
Thedesignthoughjustademomodel,butisfullofscientificandpractical.Firstweaccordingtothecomplexsituationofroadtraffic,inaccordancewiththeappropriateauthortomakearoadmodel,includingbend,straightandpavementsetobstacles,etc.Oncurvedandstraight,thecaralongtheorbitfreeexercise,whenthesmallcarmeetobstacles,pulsemodulationinfraredsensorstodetectthesignalsenttothemicrocontroller,acorrespondingcontrolsignalaccordingtotheprogramMCUcontrolcarsautomaticallyavoidobstacles,tocarryontheback,forward,turnleft,turnright
Subjectparts
Intelligentvehicleisaconcentrationofenvironmentawareness,planningdecision,multi-scaleauxiliarydriving,andotherfunctionsinanintegratedsystem,isanimportantpartofintelligenttransportationsystem.Inmilitary,civilian,spaceexplorationandotherfieldshasabroadapplicationprospect.Thedesignofsmartcarcontrolsystemarestudied,basedonpathplanningisaprocessoftheintelligentcarcontrolsystem
2.1theoryisputforward
Theprogressofscienceandtechnologyofintelligentledproducts,butalsoacceleratedthepaceofdevelopment,MCUapplicationscopeofitsapplicationisincreasinglywide,hasgonefarbeyondthefieldofcomputerscience.Smalltotoys,creditCARDS,bigtothespaceshuttle,robots,fromdataacquisition,remotecontrolandfuzzycontrol,intelligentsystemswiththehumandailylife,everywhereisdependentonthesinglechipmicrocomputer,thisdesignisatypicalapplicationofsinglechipmicrocomputer.Thisdesignbyimplementingthedriverlesscar,onthetests,bythereactionofthesinglechipmicrocomputertocontrolthecar,makeitsbecomeintelligent,automaticforward,turnandstopfunction,aftercontinuingtheperfectionofthissystemalsocanbeappliedtoroadtesting,securitypatrol,canmeettheneedsofsociety.
Indesign,theuseofthesensorstodetectroadsurfacecondition,sensorcentralseaarefaintandadoptsacomparingamplifieramplification,andthesignalinputtothecontroller,thecontrolledendusingsteppermotor,becauseofthestepmotoriscontrolledelectricalpulse,aslongastheoutputfromthecontrollertosatisfysteppermotormeritsoffixedcontrolword.Inoperationofsteppingmotorandadrivingcircuit,italsotojoinadrivecircuitinthecircuit,eachfunctionmoduleisdifferenttotherequirementofpowersupplycurrent,thepowersupplypartsetupconversioncircuit,soastomeettheneedsofthevariousparts.Aftercomparisonchoiceelement,designthecircuitprinciplediagramandthecircuitboard,anddothedebuggingofhardware,systemsoftwareandhardwareisoftenthecombinationoforganicwhole.Software,ontheuseofthe51single-chiptimerinterrupttocontrolpavementtestintervalandthecarmovementandspeed.Duetotakethatroadissimple,itisusingmoretraditionalassemblylanguageforprogramming.Forthecorrectnessoftheprogramdesign,usingacommonlyusedkeilc51simulationsoftwaresimulationvalidation,thelastisintegrateddebuggingofsoftwareandhardware,andprovethecorrectnessandfeasibilityofthedesignscheme.
2.2electronicintelligentcardesignrequirements
(1)electricvehiclescanbeabletoaccordingtothecoursetorunalltheway;
(2)electricvehiclescanstoreanddisplaythenumberofdetectedmetalandsheetmetaltothestartinglineinthedistance;
(3)areaccuratelyelectriccarsafterexercisingallthewaytothedisplayoftheelectricvehicletheentireexercisetime;
(4)electriccarscan'
tcollisionswithobstaclesintheprocessofexercise.
2.3thegeneralconceptionofcomputernetworkteachingwebsite
Using89c51asthecar'
scontrolunit,sensoreight-wayfromoutside,inthefrontofthecar,asablackbeltintheprocessofthecarintothegaragedetectingelement,attherearendofthecarwhenconnectedtoeight-channelinfraredsensorsasthecarpulledoutofthegarageofablackbeltindetectingelement,theLJ18A3-8-Z/BXinductiveproximityswitchasgarageirondetectingelement,themicrocontrollerafterreceivingsensordetectsthesignalthroughthecorrespondingprocedurestocontrolthecarforward,backward,turn,sothatthecar'
sperformanceindicatorsmeettherequirementsofthedesign.
Intelligentcarisabranchofintelligentvehicleresearch.Itwiththewheelasmobilemechanism,torealizetheautonomousdriving,sowecallitthesmartcar.Smartcarwiththebasiccharacteristicsoftherobot,easytoprogramming.Itwithremotecontrolcarthedifferenceisthatthelatterrequirestheoperatortocontrolthesteering,start-stopandinamoreadvancedremotecontrolcarcanalsocontrolthespeed(commonmodelcarbelongtothistypeofremotecontrolcar);
ThesmartcarIstobeimplementedbycomputerprogrammingforthecarstop,drivingdirectionandspeedcontrol,withouthumanintervention.Operatorthesmartcarcanbechangedbyacomputerprogramorsomedatatochangeitsdrivetype.Thischangecanbecontrolledthroughprogramming,thecharacteristicsofthecardrivingwayisthebiggestcharacteristicofsmartcar.Thecontrolsystemofsmartcarresearchpurposeistomakethecardrivingwithhigherautonomy.Ifanygivencarapath,throughthesystem,thecarcangetsystemforpathafterimageprocessingofdatamovingandAngle(a),andcanbescheduledpath,accordingtothedisplacementandAngleinformation.
Thecontrolsystemstructureanalysis
Accordingtotheabovedesignidea,thestructureoftheintelligentcarcontrolsystemcanbedividedintotwolayers
1,theplanninglayer
PCcontrolsystem,theplanninglayerprovidestheinformationofthewholecardriving,includingpathprocessingmoduleandcommunicationmodule.Ithastosolvethebasicproblem
(1)usingwhattoolstodealwiththecarpathgraph;
(2)thecarmovementmodelisestablished,thedatatocalculatethecardriving;
(3)setupthecar'
smotionmodel,thedatatocalculatethecardriving;
Layer2,behavior
Lowermachinecontrolsystem,thebehavioristheunderlyingstructureofasmartcarcontrolsystem,realizethereal-timecontrolofthecardriving,itincludescommunicationmodule,motorcontrolmoduleanddataacquisitionmodule.Ittosolvethebasicproblemsare:
(1)receiving,processing,PCsendsdatainformation;
(2)thedesignofsteppingmotorcontrolsystem;
(3)informationcollectionandthedisplacementandAngleofthecar,carpositioningposture,analysissystemcontrolerror;
Thetotaldesignscheme
Smartcarcontrolsystemareobtainedbysystemstructure,orderprocess:
(1)startAutoCAD,createorselectaclosedcurveasthecartpath,pickupthecarstarting$pathgraph
(2)tochoosethepathofthegraphicsprocessing,makethecarturningexistoutsidetheminimumturningradiusofedgesandcornerswithcirculararctransition
(3)togenerateanewpathtosimulatethemotionprocessofcar;
(4)tocalculatethedisplacementofthecardrivingneedandwheelAngle,andthensendsthedatatothemachine
(5)underthemachineafterreceivingdata,throughsoftwareprogrammingcontroltherotationspeedandAngleofthecarwheelsandmakeitaccordingtothepredeterminedpathAcompletecontrolsystemrequirementscloselylinkedtoeachfunctionmoduleinthesystem,accordingtotheorderprocessandtherelationshipbetweenthem,thetotaldesignschemeofthesystemisavailable.
Designofbasicallyhasthefollowingseveralmodules
Part1,theinformationacquisitionmodule,datacollectioniscomposedofphotoelectricdetectionandoperationamplifiermodule,photoelectricdetectionweretracingtestandspeedtestoftwoparts.Todetectthesignalafterbudgetamplifiermodulelm324amplifierplastictosinglechip,itscorepartisseveralphotoelectricsensor.
2,controlprocessingmodule:
controlprocessingmoduleisastc89c52MCUasthecore,themicrocontrollerwillbecollectedfromtheinformationafterthejudgement,inaccordancewithapredeterminedalgorithmprocessing,andthehandlingresultstothemotordriveandaliquidcrystaldisplaymodule,makesthecorrespondingaction.
3,performmodule:
executablemoduleconsistsofliquidcrystaldisplay(LCD),motordriveandmotor,buzzerofthreeparts.LCDismainlybasedontheresultsofsinglechipreal-timedisplay,convenientandtimelyusersunderstandthecurrentstateofthesystem,motordriverbasedonsinglechipmicrocomputerinstructionfortwomotormovements,canaccordin
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