混合动力电动汽车TTCAN网络研究

《混合动力电动汽车TTCAN网络研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、北京交通大学硕士学位论文混合动力电动汽车TTCAN网络研究姓名：杜微申请学位级别：硕士专业：动力机械及工程指导教师：张欣20081201ABSTRACTABS。l’KACT：Withrapiddevelopmentofautomobileelectronictechnique，applicationofadvancednetworktechnologyinautomobileisaccelerated。Thefactthatmoreandmoredi西talelectroniccontrolunitsareusedinhybridelectricv

2、ehiclesmakesitmoresignificanttodevelopcorrespondencenetworktechnology．Supportedbymajorproject“controlalgorithmandfundamentaltechnologystudyofelectricvehicle'’under“High．TechResearchandDevelopmentProgramofChina'’，theresearchanddesigningofvehiclecommunicationsystembasedontimer-t

3、riggeredcontrollerareanetwork(TTCAN)protocolhavebeencarriedoutforpowertrainofEQ610hybridelectricbus．WiththeanalysisonoperationcharactersofEQ610HEVpowertrainandsubsystems，thefunctionofeachnodeandtheinformationexchangedamongcontrollersaredetermined．Thevehiclenetworkisdesignedand

4、theprotocolofTTCANapplicationlayerforHEVcommunicationsystem，whichiscompatiblewithSAEJ1939，iscompleted．AfteraddingapplicationandsessionlayersinnetworksimulationsystemCANoe，thenetworkmodelofEQ610isestablishedbasedonTTCANprotoc01．Inthesimulationenvironment，networkperformanceofthe

5、designedTTCANprotocolisstudiedandanalyzed．Forexample，thefactorssuchasnumberofnodes，messagepriorityandthelengthofdatafieldwhichmayaffectreal—timeperformanceofthenetworkandbaudrateofthenetworkwhichmayaffectbusloadingarestudiedviadesignedtests．BesidessimulationofTTCANnetworkinnet

6、worksimulationsoftware，hardwaresimulationofTTCANnetworkisalsoimplementedbyexploringcommunicationexperimentalplatform．After．Verifyingthereliabilityandstabilityoftheplatform，communicationtestsofthenetworkwithtwodifferentprotocolsTTCANandCANarecarriedout．Theresultshowsthattheperf

7、ormanceofTTCANnetworkintheaspectsofreal—timeperformance，busloading,throughputandSOonsuperiortoCANnetwork．FromtheresulttheconclusionisthatTTCANprotocolwhichhavegoodperformanceCansatisfytherequirementofthedevelopmentinnetworktechnologyinautomobileinthefuture．KeyWords：automobilen

8、etwork；CANprotocol；TTCANprotocol；performanceofnetworklV北京交通大学