實(shí)時(shí)交互的虛擬場(chǎng)景仿真子系統(tǒng)及測(cè)試案例自動(dòng)生成子系統(tǒng)研究-基于鐵路區(qū)間信號(hào)系統(tǒng)測(cè)試評(píng)估平臺(tái).pdf

1、同濟(jì)大學(xué)碩士學(xué)位論文實(shí)時(shí)交互的虛擬場(chǎng)景仿真子系統(tǒng)及測(cè)試案例自動(dòng)生成子系統(tǒng)研究基于鐵路區(qū)間信號(hào)系統(tǒng)測(cè)試評(píng)估平臺(tái)姓名：程蓉杰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：吳芳美20040302AbstractWiththeapplicationresearchofsystemsimulationtheoriesandtherapiddevelopmentofcomputertechnologysimulatingtherealorim

2、aginedsystemswithdigitalcomputersisattachedmoreandmoreimportance。Inrecentyears，techrlolo露CSofgraphicsandimage，softwareengineering，informmionprocessingandautomaticcontrolhavebeengreatlyimproved，whichexpeditesthedevelopmen

3、tofsystemsimulationHoweverfriendlyuserinterfaceisnotavailableintraditionalsimulationtechnologyandthedegreeofvisualizationislimited，whichaffectstheapplicationofsimulationtechnologyVirtualrealityiSanoutcomeoftherapiddevelo

4、pmentofcomputertechnologyItisallinnovateuserinterfacesimilar幻therealworldScenesimulationtechnologydevelopedbycombiningvirtualrealitytogetherwithsimulationtechnologyhastheadvantagesofbothabove—mentionedtechnologiesandther

5、eforeattractsmorerecognitionUndertheresearchbackgroundoftestingandassessmentofrailwayblocksignalingsystem，theauthordevelopedtheRealtimeinteractivevirtualscenesubsystem，whichhasbeenimprovedfrom2Dto3DThe2Dinteractivevirtua

6、lscenesubsystemhasappliedtheVisualSimulationtheoryandGraphictechnologyanimationtovisualizethetestingresultHoweverwiththedevelopmentofmodemcomputertechnologyandtheimprovementofuser’Srequirement，the2Dtechnologywillgraduall

7、ybereplacedby3DtechnologyTherefore，Underthetheoryofthescenesimulation，theauthordevelopedthe3Dvirtualscenesubsystembasedonthesuccessfulexperiencesofthe2DsubsystemThespotlightofthe3Dsubsystemisthemodulationandhierarchicmet

8、hodTheauthoralsoappliedthetechnologiesoffaultinjection，objectorientedsimulationmodelingandsimulationschedulingwithmessagetransmissionwhendevelopingthe2Dand3DsubsystemTheautomaticgenerationoftestingcasessubsystemalsoplays

9、akeyroleinthewholeplatformConcerningwiththecharacteristicsofthetestingandassessmentplatformforrailwayblocksignaling，theapplicationofPLCispresentedindetailandthemethodofthetestingcasesautomaticgenerationisdiscussedinthisp