汽车电子防盗器的系统及硬件设计

上海交通大学硕士学位论文汽车电子防盗器的系统及硬件设计姓名：万庆申请学位级别：硕士专业：电子与通信工程指导教师：胡剑凌;樊晓松20060401I2090,,,CKD,SiemensVDOOPELEMCII,EMCABSTRACT3SYSTEMANDHARDWAREDESIGNOFAUTOMOTIVEDIGITALIMMOBILIZERABSTRACTWiththerapidincreaseofautomobile,especiallyforthepopularizationofthecars,moreandmoreattentionispaidtopreventthevehiclefrombeingstolen.Immobilizerisaveryimportantaccessoryforvehicles’safety.ItwaspopularallovertheworldafterOct1st,1998.Sovehicleswithautomotivedigitalimmobilizerarethedirectionofdevelopment.ButnowthetheftprooftechnologyofvehicleisvoidinChina.Immobilizersarealmostproducedbyinternationalcompanies.ThefewerimmobilizerssuppliedbydomesticsuppliersarealsoCKD(CompletelyKnockDown)constructionalaccessorybyabovecompanies.Thedissertationfocusontheoverseaswidelyusedengineimmobilizer.TheauthortakestheOPELcompanyimmobilizerasreferenceandlearnstheCRD(customerrequirementdocuments).Thespecialimmobilizeriscompletelyaccomplishedforourdomesticautomotivecompaniesbasedonthesituationofourcountry.Itillustratesthatwecandesignateindependentlyhightechnologyproductsforautomobiles.Thedissertationexpatiatesthesystemandhardwareofimmobilizerindetails.Andthensimplyintroducesfunctiontestandalotofexperimentations.Inthesystemsegment,theauthorsearchesandexplainsthesystemconstructandcomponentsofimmobilizer,andantistrategy,andspecialfunction.InthehardwaresegmentitincludescomponentsselectionandEMCdesign,andcommunicationprotocol,anddiagnosticprotocol,andhardware/softwaredebug.Inthechapteroftestandexperimentation,theauthorintroducesalltestingitems.Inordertohavebetterreliabilityandstability,immobilizersareputintoallkindsofexecrablesurround.Thereby,thedesignateddiagramisavailable.Theimmobilizercan’tbedebuggedandcopied;ithasgreatperformanceonguardagainsttheft.Itisconveniencefordriver.ItcancomplywithCRDfromautomotivemanufactures.Wecanpushourimmobilizerintoautomotivemarketquicklyandcompletethewholedesignbyourselves.ABSTRACT4Duringtheprocessoftheprojectcompanystarttosearchanddevelopautomotivedigitalimmobilizersthatcanbesuitablefordomesticmanufactures,suchasHainanMazda,Chang’an,Cherry,SAICYizhengetc.Thetechnologyparameterswereagreedbytheabovemanufactures.Thedevelopmentofautomotivedigitalimmobilizeristheprimarydirectioninourcountry.Italsoaccordswithourcompanypolicyinlong-termplan,especiallyforthedevelopmentofbodyelectronicproducts.Atthesametime,itcomplieswithnationalpolicy.Keywords:digitalimmobilizer,cryptocodeddata,communication,hardwaredesign,EMC672006912682006912200691211.183/41/41502080901020001998101999183.1556.6120064003001.22(11)11Immobilizer1.3-3/GPS1.4SMT//4CKDVDO1.5EMCEMC52.121[1]ECM21Fig21DiagramofImmobilizer62.1.12.1.22.1.32.1.472.1.52.1.62.282.322[1]22Fig22FrameofdigitalimmobilizerRFID23Fix-codeIDTransponderIdentificationSecretkeyFix-codeID923Fig23Initialstatus2424Fig24Transponderandantennainductivemagneticfield251025Fig25Comparefix-codeChallenge,ID2626Fig26CryptologicalgorithmResponse102727Fig27Response28:28Fig28Authentication1122([1])22PIN0100s1910s2810s3710min4620min5540min6480min73160min82320min91640min1001280min01280min2.4122.4.12.4.22.4.32.4.4132.514PCBEMC3.1ACC3.1.131Fig31Immobilizercontrollercircuitschematic153.1.212VIC5V3.1.3LED12V20mAACCLED0.25s4sACCLEDACCLED0.25s4sLED0.25s0.25s3.1.416K-LINERW-LINE12VK/WJR-LINE32K-LINE/W-LINE/R-LINEFig32K-LINE/W-LINE/R-LINEblockdiagramW-LINEW-LINEKWP2000ISO9141W-LINER-LINE3.1.5K-LINEK-LINEKWP2000ISO9141K/W32K/W3.1.6173.1.7,125KHz3.1.83-3Fig33ImmobilizercontrollerinternalblockdiagramTLE4274DV505VHC908AB328MHz18K/WLEDMDIC02KWLEDPCF7991(ABIC)MCURRLED3.1.98A3B34353132348AFig34ImmobilizercontrollerconnectorAwitheightpins317583426119318APin1B+12V200mAPin20V200mAPin3LED12V50mAPin4ACC12V50mAPin5R-LINE12V200mAPin6------Pin7K-LINE12V200mAPin8W-LINE12v200mA353BFig35ConnectorBwiththreepins3BAB323BPin1APin2BPin3GND123203.1.1036Fig36Digitalimmobilizerperipheraldiagram363.23-7A4A3B1B2A1A2A8A5A7B+GNDW-LINER-LINEK-LINEACCLEDANTAANTB+B3GND213-7Fig37Immobilizercontrollerinternalblockdiagram3.2.1ICMotorolaLM2931ADInfineonTLE427410mATLE4274TLE4274TLE4274DV505VTLE4247TO22O40VV50V85V10400mAICIC5V8.5V10V4%22400mATLE4274([2])38TLE4274Fig38TLE4274internalblockdiagram3.2.2HC908AB328MHz68HC908AB3268HC908AB3268HC0523MC68HC908AB3232KISPFLASH--68HC08AB16A16KROM;;;512byteEEPROM;1KRAM--68HC08AB16512byteRAM;5;8MHZ:COPSCI3289SPI4MHz8MHz164PWM88A/D51I/O30I/O516PCBPLL4.9152MHz3.2.3K/WLEDMDIC02KWLEDMDIC025V24Rds_ontyp=15WIshutdowntyp=75mATshutdown=155C;VtR=4.5V3%MDIC02([3])39MDIC02Fig39MDIC02internalblockdiagram3.2.4PCF7991(ABIC)MCU25(ABIC,AdvancedBasestationIC)PCF7991(AST,AdaptiveSamplingTime)PCF7991ATICPhilips125KHzASKAM/PMPCF7991ATPCF7991ATICPCF79AM/PMstand-by([4])26310PCF7991ASFig310PCF7991ASinternalblockdiagram3.2.5RRLEDEMC3.3RF3.3.1RFID27IC,IC,,RFID-RadioFrequencyIdentificationICRFID:ICRFID(33[10])2833IC110011001664K1664K43551040.505010500529PCF7991ASRFIDRFID3.3.2ASK30ASKFSKPSKASK00111200bpsFSK010F11F2FSK1200bpsPSK180100PCF7991ASWRITE_TAGWRITE_TAG_NICWRITE_TAGASKRFDinASKPCF7991ASASK3.431-40+55IC3.4.1125KHz115cmONRUN,32TITexasInstrumentInfin