基于工業(yè)以太網(wǎng)的列車通信網(wǎng)絡(luò)研究.pdf

1、北京交通大學(xué)碩士學(xué)位論文基于工業(yè)以太網(wǎng)的列車通信網(wǎng)絡(luò)研究姓名：張建斌申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：安全技術(shù)及工程指導(dǎo)教師：譚南林201106j匕塞交通太堂亟堂僮論塞魚(yú)顯S!叢g!ABSTRACTABSTRACT：TraditionalEthernetTechnologyhasthecharacteristicofnonrealtimeandnondeterministic，SOitCallnotbedirectlyappliedtotrain

2、communicationnetworkAftermakinganin—depthresearchonseveralunfavorablefactors，aneffectivemethodisgotbychangingtheEthernetcommunicationandschedulingmechanismAlso，allexperimentalplatformisdesignedfortestingitBasedonthestarn

3、etwork，thereal—timecharacteristicsisanalyzedaboutthesharedEthemetandswitchedEthernet，theresultshowsthatswitchedEthemetmeetsrequirementsofthetraincommunicationnetworkTheTime—TriggeredArchitectureisintroducedtotheEthemet；b

4、ecauseit’STime—DivisionMultiplexingAccess(TDMA)mechanismCanensureEthernet’Sreal—timeanddeterministiccommunicationBasedonthetime—triggeredarchitecture，thispapergetsanewdeterministicschedulingmechanismThroughanalyzing，amac

5、rschedulingcycleoftraincommunicationnetworkiscalculatedForestablishingtimetriggeredEthernetnetwork，accordingtotheIEEE1588precisiontimesynchronizationprotocol，thispaperproposeanewmethodforslaveclock’timecompensationThepro

6、blemofdramaticchangeabouttimeissolvedTheprocessofsimulationmodelingandanalysisbyMATLABprovedthatthenewmethodisscientificandreasonableInordertoestablishthecommunicationnetworkforexperiment，twokindsofcommunicationnodeisdes

7、ignedbasedtheEthemetTechnologyAlso，therealtimeoperationsystemIlCOS—IIandTCP／IPprotocolstackistransplantedtothecommunicationnodeThenthecommunicationnetworkbasedswitchedEthernetiSestablishedBasedontheexperimentalplatforman

8、dIEEEl588，precisiontimesynchronizationprotocolisdesigned，intheotherword，aprecisionclocksynchronizationnetworkisrealizedLast，Inordertogetthenetwork’realtimeresponsecapabilityandclocksynchronizationaccuracythispaperdesigne