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1、北京交通大学硕士学位论文基于TTCN-3的CTCS-3级车地通信协议一致性测试研究姓名：李雁申请学位级别：硕士专业：交通信息工程及控制指导教师：唐涛20090601ABSTRACTABSTRACT：componentsofChineseTrainCon(CTCS)9wh•1chusesw•1re1essMc•0R),ntIRau8hu•seiVn8trWQmaTw18片tranandthegr0und■Itisatra•1nc0ntr01systembased0nw•1ressystemb0ard—groun1c0mmunicati0nprot0cisn■Jab1edatac.0mmun
2、i.cat■1qnbetweenthetra1:nandgroCTCS1eve13isoneoftheimportanttrolSystemommuommubutalsostems(GSn4e1!1!)g^rho^JdeiIYt3o1UchisdefinedinERTMSstandards,CTCS•3b0ard•groundcommunicat•1onprot0c01•1sdcs•1gncd、•J1,iII1domesticrea1ity■Tomakcsurct1hatthctrainandthcgr0unddcVivcscan(0mmunicatc、析thcachotherC0rre
3、ct1y,wemustperf0rmtest0nthepr0t0c01・ThePr0,t0c01te.ting：isanimpQrtantbranch0Pr00c01eng1neering，anditisaprerequisiteforthenorma1w0rkofthePrOtOC01rea1•zation・Prot0c01conformancctcst•ngisthcfoundationofVarioustypes0ftestingw0rk.Thustheconf0rmancetest•ngofb0ard—groundcommunicationPr0t0c01ofCTCS1eve13
4、isVeryimportant•Int1iisiPapC]r,withboard—groundcommunicat•10nPr0toco10fCTCS1evel3standardsandspecifications,aconformancetestingmethodisin—depthstudied•Forconformancetesting,itsprocessisdividedintothreephases：testgeneration,lestimplementationandtestexecution.Testgencrationisthcgcncrationoftcstscqu
5、cnccs.Inthisphase,weanalysethecommunicationprotocol,estab1ishFSM(FiniteStateMachine)modeLand.丨4」丁丁厂“thengeneratetes(sequences・Testimp1ementat1on1sbasedonTTCN3(theTestingandTestControlNotationversion3),anduscTTworkbcnchtobuiIdlestsyStem.Final1ywerunthroughthetestsystemandgiveananalysisoftestresult
6、s・Thispapcrfirstlyintroduccsthcrclatcdthcoryandtcchnologyindetail,includingprotocolconformancetestingtheory,testsequencegenerationbasedonFSM,thedevelopment,characteristics,advantages,applicationdirectionofstandardizedtestlanguageTrCN—3andtestset,rarenVrworkbenchsupportforTTCzN—31anguage.Secondly,
7、CTCS——3board・一groundcommunicationprotocolmodclWasestab1ishedusinsforma1mode1ingmethodbasedonFSMaccord』(An$n&iPiSQ?icoKi帘fc^t0)g(?1厂”g注Jd9P,耳mancetestsequencesofCTCS—3board一groundcommunicationprotocolaregenetatedbasedin
