CAN总线直接OSEK网络管理规范培训资料.pdf

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1、insertpicture8cmx7cmDirectOSEKNetworkManagement©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.V2.042008-08-24AgendaPPhysicalBasicshysicalBasicsBasicsMechanismsStructureofAnimationSetupofaRINGTransitiontoBUSSLEEPTheLIMPHOMEStateANew

2、NodeinaRunningNetworkLossofaNodeintheNetworkBuserror–BUSOFFOSEKNMStateMachine©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:2PhysicalBasicsModernVehiclewithLowspeedandHighspeedCANbus(andgatewaystootherbussystems)CANHighspeedC

3、ANLowspeedLINFlexRayMOST©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:3PhysicalBasics3ECUsintheCANnetworkasanexampleQuiescentcurrentconsumption(ECUSleepmode)oftheECUsisaveryimportanttopicintheautomotiveenvironmentSecurityCon

4、trolTheECUshavedifferentrequirementsfortransitiontoECUSleepmodeClimateControlControlledtransitiontoECUSleepmodeSeatControlThereareseveralmethodsofresolutionfortheseproblems>>©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:4Phy

5、sicalBasics1.Methodofresolution:ECUsconnecteddirectlywiththeClamp15KL15OFFONSecurityControlClimateControlGNDVCCGNDSeatControlGNDGND©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:5PhysicalBasics1.Methodofresolution:ECUsconnect

6、eddirectlywiththeClamp15KL15ShouldbeworkingallthetimetodetectOFFtheftintensionsPhysicaldeterminedfollow-upONtimebeforepowerdownnotSecurityControlpossibleClimateControlGNDVCCGNDCanbeswitchedoffimmediatelySeatControlBasically3kindsofECUsGND°canbeswitchedoffimmediately°follow-uptimerequiredGND°l

7、owpowermodebutalwayson©2006.VectorInformatikGmbH.Allrightsreserved.AnydistributionorcopyingissubjecttopriorwrittenapprovalbyVector.Slide:6PhysicalBasics2.Methodofresolution:ECUsconnecteddirectlywiththeClamp30KL15OFFOFFONSecurityControlClimate