ISO15765协议的研究与实现

合肥工业大学硕士学位论文ISO15765协议的研究与实现姓名：周涛申请学位级别：硕士专业：计算机应用指导教师：韩江洪2011-04IVISO15765(ECU)CANISO15765CANISO15765ISO15765ISO15765CAN15765STminPetriPetriECUCANoeCANISO15765PetriVResearchandrealizationofISO15765protocolABSTRACTWiththegrowingnumberofelectroniccontrolunitECUusedoncars,automotivenetworkturnsintoautomotiveelectronicdevelopmenttrend.Overalongperioddevelopment,ControllerAreaNetwork(CAN)hasbecomeoneoftheactualcarbottombusstandards.AsavehiclenetworkdiagnosticprotocolbasedonCAN,ISO15765iscurrentlywidelyusedbecauseofitsmeritsontransmissionmechanism,timecontrol,errordetectionetc…ISO15765ismorestringentonthetimecontrolofnetworklayerandprovidesmorecomprehensivediagnosticservicesonapplicationlayer.Howtoreasonablysetuptheparameterstoreducethenetworklayertransmissiontimeandimplementdifferentdiagnosesasperdifferentrequirementsisstillpendingtoresearch.BasedonlotsofdomesticandforeignanalysisdatareadingandanalysisonISO15765protocols,thisthesiscarriesoutrelevantresearchonthenetworklayer,theapplicationlayeranddiagnosisprocessoftheprotocol.Firstofall,byanalyzinglinklayerarbitrationmechanismofCANbusandtransmissionmechanism,Stminparametermodelofthenetworklayerissetupwhichusesnetworkloadrateanddataframepriorityparametersasconstraints.Comparedwiththetraditionparametermodel,thismodelcouldreducetheaveragewaitingtimeofthenetworklayerinamulti-frametransmission.Secondly,inaccordancewiththecharacteristicofautomotivecarbodynetworkandbyanalyzingthespecificdiagnosisserviceandprocessoftheapplicationlayer,thecoloredPetrinetsmodelofdiagnosisprocessissetupbycombiningthecoloredPetrinetsandprocessofdiagnosissystem.ThismodelcouldbeusedtodescribethelogicrelationshipofcommunicationofdiagnosticinstrumentandECU.Simulationshowsthismethodwouldimproveautomotivenetworksoftwaredevelopmentefficiency.Finally,thethesisintroducesimplementationofseatECUdiagnosissystem,whichisverifiedandanalyzedbyusingCANoesimulationsoftwaretosimulatethenetworkenvironment.KeywordsCANbus;ISO15765;AutomotiveNetworkDiagnostic;ColoredPetrinetIX1-1.................................................................................................22-1CAN........................................................................................72-2CAN......................................................................................82-3CAN......................................................................................82-4.........................................................................................................92-5.........................................................................................................92-6.......................................................................................................102-7ISO14230.........................................................................................112-8...........................................................................142-9...........................................................................142-10.............................................................................143-1...................................................................................................183-2...................................................................................................183-3ISO15765.............................................................................203-4.......................................................................................233-5...............................................................................................253-6...................................................................................................263-7DDCU30%...................263-8DDCU30%.......................274-1...............................................................................................314-2Petri...................................................................................................324-3Petri.........................................................................................334-4Petri.........................................................................................334-5FlashPetri.....................................................................................355-1...........................................................................395-2MEMORY....................................................................................415-3...................................................................................................425-4.......................................................................................................435-5...........................................................................................435-6CANoe...............................................................................................445-7...................................................................................................445-8DiagnosticConsole...............................................................