车身控制器BCM设计方案PPT课件.ppt 33页

'车身控制器设计方案（中级车） MidRangePlatformArchitectureMCUDriverDoorDoorLockWindowLiftRearLeftDoorDoorLockWindowLiftPassengerDoorDoorLockWindowLiftRearRightDoorDoorLockWindowLiftTurnLightInteriorLightRearWindowDefrostKeyAnti-AlarmRKESunroofKeypadKeypadMCUMCUMirrorMirrorTurnLightTurnLightCourtesyLightCourtesyLightLINLINExteriorLightPowerSeatWiper/WasherPowerCurtainLowEndBCMDDMBCMPDM Mid-rangeSystemarchitectureBodyControllerModule(LINMaster)PassengerDoorModule(LINSlave)DoorLockWindowLiftKeypadMirror(&TurnLight)PowerSeatcontrolWindowLiftRearRightWindowLiftRearLeftRKECourtesylighting(LINSlave)DoorLockWindowLiftKeypadCourtesylightingFrontLightingRearLightingMirror(&TurnLight)RearWindowDefrostFrontwiper&washerHorncontrolAntitheftAlarmDoorLockLINNetworkCANInterfaceCANNetwork(linktoPowertrain)LINInterfaceLINInterfaceLINInterfaceReardoor,Trunk&BonnetstatusCourtesylightingPowerSunroofPowerCurtainInteriorLightingDriverDoorModule DDMMC9S08AW325VLM358ULQ2003RKERXB1PIC16F629ULQ2003WindowRelayCurrentSensorInputConditionSunroofRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorMirrorRelayMirrorDriverTurnLightRelayInteriorLightDriverLINSBCBlue:LEYellow:MR WindowMotorCurrent*2DriverDoor(&reardoor)BlockDiagramMirrorDefrostCourtesyLight*2(feet,courtesysigning)WindowMotor*2RearWindowDisableDoorAjarStatus2DoorLockSwitch*2GroundMC9S08AW32PowerSupplyLINSBC+12VDigitalInputAnalogInputRelayDriveLINLINWindowSwitch*82242DoorLock*2TurnLight141620MirrorSwitch*7MirrorFolding22Relaysarelocatedinside PDMMC9S08AW32LM358ULQ2003RKERXB1PIC16F629ULQ2003WindowRelayCurrentSensorInputConditionSunroofRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorMirrorRelayMirrorDriverTurnLightRelayInteriorLightDriverBlue:LEYellow:MR5VLINSBC WindowMotorCurrent*2PassengerDoor(&reardoor)BlockDiagramMirrorDefrostWindowMotor*2RearWindowDisableDoorAjarStatus2DoorLockSwitch*2GroundMC9S08AW32PowerSupply5VSBC+12VDigitalInputAnalogInputRelayDriveLINLINWindowSwitch*42242DoorLock*2TurnLight14168MirrorSwitch*7MirrorFolding22RelaysarelocatedinsideCourtesyLight*2(feet,courtesy,signing) BCMMC9S08AW325VLM358ULQ2003RKERXB1PIC16F629ULQ2003WindowRelayCurrentSensorInputConditionSunroofRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorWindowRelayCurrentSensorTurnLightRelayInteriorLightDriverLINSBCMC9S12C32CANSeatRelayCurrentSensorSeatRelayCurrentSensorSeatRelayCurrentSensorSeatRelayCurrentSensorULQ2003WiperRelayHornRelayPowerCurtainRelayInteriorLightRelayExteriorLightRelayDefrostRelayBlue:LEYellow:MR Siren/HornCentralBodyControllerBlockDiagram–RelaySolutionDefrostandpowercurtainInteriorLight(roof,map,glove,headreading,keyhole)SeatMotor*4PowerSeatSwitch*8ExteriorLightSwitch*12KeyStatus*4GroundMC9S12C/Q32PowerSupply5V+12VDigitalInputAnalogInputRKEReceiverRelayDriveMC33291LLEDDriverSiren(Relay)LIN,CAN,KLIN,CAN,KLineTrunk&bonnetstatusSunroofSwitch*23SunroofMotorSensor5RearWindowDefrostSwitch659ExteriorLightFront/RearWiper,FrontWasher6AntitheftLEDSunroofMotor22738BuzzerBuzzerPowerSeatMotorCurrent*4InteriorLightSwitchWiper,WasherSwitch*5Highbeam:1Lowbeam:1Tail,License:1TurnLight:2Fog:2ReverseLight:1BrakeLight:1PowerCurtain*2KeyLockSolenoidHornAntitheftSirenDetection3 Mid-RangePlatformwithanalogICMC9S12C32MC33661LINMC33388CANMC33972SwitchDetectionMC33972SwitchDetectionMC332862*6AReverseLight(2*21)WMC332882*8ATurnLight(2*21+5)WTurnLight(2*21+5)WMC338882*10A2*5A8*0.5ABrakeLight(2*21+10)WHighBeam(2*55)WTail&LicenseLight(6*5)WRearFogLight(2*21)WRelaysLowBeam(2*55W)FrontFogLight(2*55W)RearWindowDefrostFrontWiperlowspeedFrontWasherRearWiperInteriorLightFrontWiperhighspeed2*ULQ2003RelaysPowerSeatRelay*5Powercurtain*2Sunroof*2Horn MidRangePlatformArchitecturewithIDCMCUTurnLightInteriorLightRearWindowDefrostKeyAnti-AlarmRKESunroofDriverDoorDoorLockWindowLiftRearLeftDoorDoorLockWindowLiftKeypadMCUMirrorTurnLightCourtesyLightPassengerDoorDoorLockWindowLiftRearRightDoorDoorLockWindowLiftKeypadMCUMirrorTurnLightCourtesyLightLINLINExteriorLightPowerSeatWiper/WasherPowerCurtainMM908E625MirrorMM908E624WindowLiftDoorLockKeypadTurnLightCourtesyLightMM908E624WindowLiftDoorLockKeypadMM908E625MirrorMM908E624WindowLiftDoorLockKeypadTurnLightCourtesyLightMM908E624WindowLiftDoorLockKeypad Mirror-Distributed(IDC)ImplementationVBattGndLINIntelligentdistributedcontrolMM908E621orMM908E625 Mirror-Distributed(IDC)ImplementationAdvantagesLowernumberofI/CImprovedreliability(lowernoofsolderjoints)ReducedwiringharnessReducedsizeModulePCBDiagnosticsScalablearchitecture(MM908E625vMM908E621Med–Hiendsolution)MirrorcommandsmadethroughLINDisadvantagesStillrequiresomeaddedpowerhardware(heater)ImplementpowermanagementschemeNeedtoprogramanddebugnodesoftwareAddedfunctionalitywhichmaynotberequiredforlowendsystemAddedcomplexityformoduleH/W,packagingandvalidation Mirror-CentralisedImplementationPowersupplyandCommunicationVoltageRegulatorCANPhysicallayerBodycomputerModuleBCMConfigurableoctalserialswitchasQuadH-bridgeMC33880SPIMirrorpositionX-MotorMMSingleH-bridgeMirrorFoldMMirrorpositionY-MotorD/AOutputdriverElectrochromeTripleHSDHeaterSideflasherFootlamp6PWM134STCRTLSTCRTLAdditionalINPUTSofthemoduleAdditionalOUTPUTSofthemoduleMirrorswitchinputsSignalconditioning4 Mirror-CentralisedImplementationPro/ConAdvantagesFocusedimplementationforrequiredfunctionMCUselectionoptimisedforapplicationMinimalcontrollatencyDisadvantagesDifficultyinmeasuringmirrorpositionDiagnosticsrequiresaddedsophisticationofH/WdriversIncreasednumberofwiresinharnessHarnessroutingHarnesscostDirectswitchinputrequiredtocontrolthemirrorposition Designchallenge–PCBsizeMinimumPCBsize:60mmx60mmHigh-endECMirrorDiagramModulePCBLayoutNumberofPowerIC:5-7NumberofDigitalSignal:24Source:PowerICdevicesaresampledfrom2majorvendorsintheindustry(excludingFreescale) Designchallenge–PCBsize40mm60mm40mm60mm56%ShrinkPCBsize:40mmx40mm,56%shrinkinsizeHigh-endECMirrorDiagramModulePCBLayoutNumberofPowerIC:1NumberofDigitalSignal:2(INT/RST) MirrorimplementationsComparisonDistributed(IDC)Distributed(MCU+SMOS)CentralizedComponentcostMediumHiMediumFunctionalityHiHiHiScalabilityFlexibilityMediumMediumMediumEaseofimplementationHiMediumMediumReliabilityHiMediumLoEaseofmanufactureHiMediumLo WindowLift-DistributedImplementationIDC-MM908E624VBattGndLINVoltageregulatorMCUResetcontrolWatchdogSPILINphysicallayerHighsidedriverOPAMPSwitchinputsPackageSOIC54SwitchinputsWindowliftmotorBEMFdetectionusinginternalOPAMP WindowLift-DistributedPro/ConAdvantagesLowernumberofI/CImprovedreliability(lowernoofsolderjoints)ReducedwiringharnessReducedsizeModulePCBDiagnosticScalablearchitectureDisadvantagesStillrequirerelaystodriveloadNeedtoprogramanddebugnodesoftwareAddedfunctionalitywhichmaynotberequiredforlowendsystemAddedcomplexityformoduleH/W,packagingandvalidation WindowLift-CentralisedcontrolImplementationPowersupplyandCommunicationVoltageRegulatorCANPhysicallayerMaincentralbodyMCUOctalserialswitchasRelaydriverMC33291LSPIWindowliftmotorMSignalconditioningPositionfeedbackforAnti-pinch4ATDAdditionalINPUTSofthemoduleAdditionalOUTPUTSofthemoduleWindowswitchinputsSignalconditioning2I/ORelay1Relay WindowLift-CentralisedcontrolPro/ConAdvantagesFocusedimplementationforrequiredfunctionLowcomponentcostMCUselectionoptimisedforapplicationMinimalcontrollatencyDisadvantagesDifficultyinmeasuringanti-pinchfromCentralbodycontrollerPoorscalabilityNodiagnosticsIncreasednumberofwiresinharnessHarnessroutingHarnesscostAdditionalH/WrequiredforspeedcontrolpossibleIncreasedMCUfunctionalityforstalldetectionControlofmultiplewindowsatsametime WindowLiftComparisonDistributedCentralizedComponentcostMediumLoFunctionalityHiMediumScalabilityFlexibilityHiLoEaseofimplementationMediumMediumReliabilityHiLoEaseofmanufactureHiLo Doorlock+Windowlift–DistributedImplementationIDCMM908E624VBattGndLINVoltageregulatorMCUResetcontrolWatchdogSPILINphysicallayerHighsidedriverOPAMPSwitchinputsPackageSOIC54SwitchinputsWindowliftmotorBEMFdetectionusinginternalOPAMPWindowliftDuallowsidedriver3GPIOMH-bridgeDoorlockmotorDoorlock Doorlock+windowlift–DistributedPro/ConAdvantagesReuseexistingWindowH/WalreadyindoorReducedwiringharnessReducedsizeModulePCBScalablearchitectureDisadvantagesStillrequirerelaystodriveloadNeedadditionalrelaydriversaddedNeedtoprogramanddebugnodesoftwareAddedfunctionalitywhichmaynotberequiredforlowendsystemAddedcomplexityformoduleH/W,packagingandvalidationCommunicationsoverLINmayimpactlatencyforPassiveEntry Doorlock+windowlift–CentralisedImplementationPowersupplyandCommunicationVoltageRegulatorCANorLINPhysicallayerCentralbodyMCUOctalserialswitchasRelaydriverMC33291LSPISignalconditioningPositionfeedbackforwindowAnti-pinch4ATDAdditionalINPUTSofthemoduleAdditionalOUTPUTSofthemoduleSignalconditioning2I/ORelay1RelayWindowliftmotorWindowliftswitchesMSignalconditioningDoorlockswitches2I/OH-BridgeDoorlockmotorM2I/O Doorlock+windowlift–CentralisedPro/ConAdvantagesOctalserialdriver(MC33291)usedforalldoorrelaypre-driveFocusedimplementationforrequiredfunctionMinimalcontrollatencyDisadvantagesNeedtoadddiscreterelaypre-driverforBootlockLessscalabilityNodiagnosticsIncreasednumberofwiresinharnessHarnessroutingHarnesscost DoorLock+WindowLiftSleepCurrentConsumptionPowerICSleepModeOperationConditionPowersupplychipinsleep(LINwakeup)modeMicrocontrollershutdownPowerICsinsleepmodeAssumenoadditionalcurrentassumptionfromdiscretecomponentsTotalSleepCurrent:331uACentralizedIDCSleepModeOperationConditionSysteminsleep(LIN/Inputwakeup)modeMicrocontrollershutdownTotalSleepCurrent:20uACurrentConsumptionReduction:94%ShutdownSleepModeDistributed DoorlockComparisonDistributedCentralizedComponentcostLoMediumFunctionalityHiMediumScalabilityFlexibilityHiLoEaseofimplementationMediumMediumReliabilityHiMediumEaseofmanufactureHiLo SummaryRelayMid-RangeDDM,PDMcanusemostofhardwareandsoftwareofLowendplatformLowcostNodiagnosisfunctionIDCModulardesignCanbeeasiertoupgradetoHighendplatformFlexibleLowpowerconsumptionLowcostAnalogCentralizedcontrolwithsmallerspaceandmorefunctionsHighreliabilityExpensive HighEndPlatformArchitectureMCU9S12C64InteriorLightRearWindowDefrostKeyAnti-AlarmRKESunroofMirrorTurnLightLINLINExteriorLightPowerSeatWiper/WasherPowerCurtainDDMBCMPDMMirrorTurnLightPassengerDoorDoorLockWindowLiftRearRightDoorDoorLockWindowLiftKeypadMCU9S08AWCourtesyLightPowerSeatModuleFrontLightModuleRearLightModuleMCU9S08AWSeatMotorKeypadMCU9S08AWLightMCU9S08AWLightMM908E625MirrorMM908E625MirrorDriverDoorDoorLockWindowLiftRearLeftDoorDoorLockWindowLiftKeypadMCU9S08AWCourtesyLightMM908E624DoorMM908E624Door HighEndPlatformLightControlwithanalogICMCUMC33661LINMC33388CANMC33972SwitchDetectionMC33972SwitchDetectionReverseLight(2*21)WMC332882*8ATurnLight21WTurnLight21WBrakeLight(2*21+10)WHighBeam55WTail&LicenseLight(4*5)WRearFogLight(2*21)WWasher30WHighBeam55WMC332882*8ALowBeam55WLowBeam55WMC332882*8AFog55WFog55WMC331432*3AMC331432*3ATailLight2*5WMC332862*6AMC331432*3AMC331432*3ATurnLight21WTurnLight21WFrontLightModuleRearLightModule SummaryHighEndplatformhasthesamearchitectureasMid-Range.ThelightcontrolisaseparatemoduleThelightmodulecanuseanalogtoimplementprotection,diagnosticandPWMcontrolThepowerseatiscontrolledbyseatmoduleIfusingrelay,mosthardwareandsoftwarecanuselowendIfusingIDC,thesystemwillbeflexible,easytomanufactureandsavespace.'