硕士论文-网络化车身电子电器控制系统的设计

上海交通大学硕士学位论文网络化车身电子电器控制系统的设计姓名：姚雷申请学位级别：硕士专业：电力电子与电力传动指导教师：唐厚君20070101ICANCANBCMCANCANSAEJ1939CANHallHallIIBCMBCMCANBCMBCMCANBCMIIIDESIGNOFBODYELECTRICALCONTROLSYSTEMBASEDONIN-VEHICLENETWORKABSTRACTIntelligence,integrationandconnectivityhavebecometrendinautomotiveelectronics.Intraditionalvehicles,pear-to-pearconnectioniswidelyusedinconnectingvariouselectricalequipments.Thustheharnessisextremelycomplexandhardtofixonceitgoeswrong.In-vehiclenetworkmeetsthechallengesinceitsimplifiestheoverallharness.Inthispaper,abodyelectricalcontrolsystembasedonCANbusispresentedandthenetworkarchitecture,hardwaredesign,softwaredesignanddiagnosticdesignarethefocusofthispaper.Thepaperfirstintroducesthemaintrendofin-vehiclenetwork.Tomeetcustomer’sneed,thewholenetworksystemisdividedintodistributeddoorsystemandlampsystem.TheBodyControlModule(BCM)isdesignedasthegatewayofControlAreaNetwork(CAN)Communicationsothattheabovesystemmaycommunicatewitheachother.BCMalsoisthegatewaybetweenhighspeedCANnetworkandlowspeedCANnetwork.TheapplicationlayerprotocolisbasedonSAEJ1939.IVThehardwareandsoftwaredesignofdistributeddoorsystemisstated.Thewholesystemconsistsoffourdifferentnodes,theseareleft-frontdoormodule,right-frontdoormodule,left-reardoormoduleandright-reardoormodule.Thefunctionofthesemodulesincludesthecontrolanddiagnosticsofanti-pinchwindowlift,electricalexteriormirrorswithheating,doorlatchesandinteriorlamps.Thesignalconditioningandvalidatingofcorrespondinginputsareimplemented.Thesoftwaredesignofdoorsystemincludesanti-pinchwindowliftalgorithm,networkcommunicationalgorithmandsystemdiagnosticprocess.Hallsensorisusedindevelopingtheanti-pinchwindowliftalgorithm.TheoutputofHallsensorisPWMtypewhichimpliestherotatingspeedwhenthewindowliftmotorisoperating,thuswecaninducethewindowpostion,whichisessentialindecidingwhethertheanti-pinchfunctionwillapplyornot.Thedesignofanti-pinchmeetsourneed.Theharewareandsoftwaredesignoflampsystemisstatedinthispaper.Thesystemincludesthreenodes,theyarefrontlampmodule,rearlampmodule,columnswitchmoduleandcantotallyreplacethetraditionallampsystem.Thecontrollingfunctionincludesthedriveofvariouslamps,diagnosticprocessetc.NetworkcommunicationandsystemdiagnosticalgorithmaredevelopedtosaferthedrivingofvehiclescomparedwithVtraditionallampsystem.Thereareindicationstoinformdriversonceanerrorhasoccurredaswell.Bodycontrolmoduleisdeveloped.BCMisthegatewayofdoorsystemandlampsystem.AnditcancommunicatewithhighspeedCANnetworkinthefutureinthepurposeofvehicleinformationsharing.AlsoBCMistheplateformoffunctionexpansioninthefuture,forexamplewemaymigratetheRomoteKeylessEntrysystemintotheBCMmodulewithoutchangingthehardwareandsoftwareofothertwosystems.CANbusmonitoringdeviceisdevelopedtodetecttherealtimedataexchangeintheCANnetwork.BothPC-endsoftwareandcontroller-endsoftwareenablethedetectinganddisplayingofCANframesonPCviaRS232.Themonitoringdeviceimprovestheefficiencyofsystemdevelopingandlayssolidfoundationforfurtherdeveloping.Nowtheprototypehaspassedsystemtestandoperatesnormally.KEYWORDS:in-vehiclenetwork,CANbus,doorsystem,lampsystem,BCM,faultydiagnostics2200713031ECUEMS(ABS)ACC1-164005001-1Fig.1-1todaysVehicleArchitecture21.11.1.1UARTX-by-WireABC[1]A10KbpsLINLocalInterconnectNetworkB10125KbpsISO11898-3C1251MbpsPowertrainABSISO11898-2FlexrayRobertBoschEMSDelphi(ABS),ECUKWP2000CANCANBMWVolkswagenPassatB5FiatPalio1.1.2[2][3][4]310223020042004:35,1999BuickBCMPCM(ABS)HVACClusterSDMClass21.1.3[4]ECU41-2PHILIPSNXP1-2PHILIPS[5]Fig.1-2SolutionSketchMapofNetworkinVehiclebyPHILIPSSemiconductor[5]ABCIn-VehicleNetwork1.2ESP8.0CANPassatPoloPQ35CAN570%CAN1.3CAN1BCM2CAN364BCMBCMABS5SAEJ19396PCPC/7CANCANBENZBMWVolkswagenVolvoCANJ1850CANCANSAEJ19392.1CAN[6][7][8][9]CANControllerAreaNetwork20RobertBosch19862BoschUweKienckeSiegfriedDaisMartinLitschel1990BoschCANCAN2.0VehicleAreaNetwork(VAN)199311CANISO11898[9]CANCAN8[12]1MbpsISO11519-2CAN1995ISO1189829CANCANISO11898-1CANISO11898-2CANISO11898-3CANISO11992()ISO11783()SAEJ1939CANCAN152000ISOCANBerndMuellerThomasFuehrerBoschCAN(TTCAN)[10]ISO11898-4CANCANX-by-WireCANCAN12CANCAN3ECUCANKWP200ISO142304CAN2.2CAN2.0A/CAN2.0BCAN919919PHILIPSCANVersion2.0AB2.0ACAN1.2CAN2.0BCANCAN1129CANCAN2.0CAN[11]CANtheobjectlayerCANthetransferlayerthephysicallayer2.2.1CANCAN2.0CANCAN2.0ACANCAN2.0ACANCAN2.0BCAN(1)(LogicalLinkControlLLC)(2)MediumAccessControlMACMACLLCLLCCAN10MACLLCLLCLLC,,CAN/CAN2.0A/B,CAN2.2.2CANCAN7CRC,CAN2.0B11RTRID28ID1829SRRIDERTRID28ID0IDEIDESRRSubstituteRemoteRequestBITSRRRTRRTRRTRRTR11RemoteTransmissionRequestbitRTR/0801/088/CRC15CRC1(1)CRCCRCCRC/CANCAN,,(),72-12-22-1Table2-1FormatofStandardFrameCRCSOF11RTRIDER0DLCNbyte16bit2bit7bit2-2Table2-2FormatofExtendedFrameCRCSOF11SRRIDE18RTRR0R1DLCNbyte16bit2bit7bit126CRCRTR08RTRRTRRTRCANCRC5ACKCRC6a5b5CRCCRCCRCCRCCRCCRCCRCACK13CANTECRECCANCANRECTEC128127TEC2551281102.2.3CAN=1/SYNC_SEG:msCANPROP_SEG1-821PHASE_SEG11-82PHASE_SEG2112144CANCAN421224[13]CANBITTIME=SYNC_SEG+PROP_SEG+PHASE_SEG1+PHASE_SEG22.3CANCANCANCANCANTTL15DC-DCCANCANMC68HC908GZ16MC68HC908GZ60MC9S12DG128BCMCANMC68