多功能车厢总线通信控制网的研究及实现

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1、北京交通大学硕士学位论文多功能车厢总线通信控制网的研究及实现姓名：赵江海申请学位级别：硕士专业：安全技术及工程指导教师：吴斌20060101北京交通大学硕士学位论文仿真，并以此为依据配置合理网络：深入分析了网络接口单元的软硬件结构及功能特点并首次使用嵌入式linux操作系统，基于Pc／104主机的平台构建实验室环境下MvB网络通讯试验系统，按照新的国际标准IEc61375，对其进行应用研究，实现并验证车厢总线过程数据通信，获得了成功，为列车通信网的应用积累了经验。关键词：列车通信网(TCN)，IEc一6

2、1375协议，MVB，网络安全，网络性能，Pc／104嵌入式linux2AbstractFromthe70’s，manybigoverseascompanieshavestartedtheresearchingofvehicletocarrythemicrocoIIlputer，andhaveformulatedownlocomotiveBusstandardoneafteranother．inordertohavearelativeconsistentstandardtoapplyinthetrain

3、andformsthetraincof珊unicationnetwork(TCN—TrainCo砌unicationNetwork)andtherealizedvehiclecarriesthedatacoIⅢnunicationinternationalized．internationalelectriciantechnicalco皿用itteeIECninthtechnicalco册itteeTCN22ndworkte锄WG22hasformulatedtraincof【Imunicationnet

4、workinternationalstandardIEC61375—1specially，NamelytheTCNstandard，thisalsoincludedinthedomosticrailroadstandard．Forthetrain．thenetworkcommunicationhasinv01vedthenetworkphysicallevel，thelinklevelandtheapplication1ayer．TraincomunicationnetworkincludingWire

5、TrainBus(WTB)andMultifunctionVehicleBus(MVB)．MVB(MultifunctionVehicleBus)connectedthecompartment(ndⅢelyinlocoⅢotive，inpassengertrainvehiclesorinfreightvehiclevehicles)equipmenttogethertoconstituteacontrollocalareanetworkcontinuallv．itessentiallvisonekind

6、offieldbus．InordertoconformtotheTCNstandardandcanconvenientlyrealizeconnectionbetweenMVBequipments，allmusthavetheunificationhardwareandthesoftwareconnectioninterface．Thehardwareinterface(netcard)珂ainlyrealizesbyeachequipmentinMVBnetworkinterfaceunit，then

7、etcardrealizesthephysical1evelsignaltransformation，Carriesoutthedata1inklayercommunicationregulations，itsbasictaskissendsthedatawhichtransmitedfromthemainengineorothernetworkequipmentsintothenetwork．orreceivesthedatafromthenetworkandtransmittothemainengi

8、ne：ThesoftwareinterfacerealizestheMVBlinklevelservicefunction．Drovidestheserviceandtheservicevisitinterfaceforhigh1evel，thusshieldsthefirstflooragree珂ent，1北京交通大学硕士学位论文providestransparently，reliable1inkcircuit．TheMVBnetwork