三維視景仿真技術(shù)在CTCS3級仿真系統(tǒng)中的應(yīng)用.pdf

1、北京交通大學碩士學位論文三維視景仿真技術(shù)在CTCS3級仿真系統(tǒng)中的應(yīng)用姓名：農(nóng)梅申請學位級別：碩士專業(yè)：交通信息工程及控制指導(dǎo)教師：穆建成20061201ABSTRACTInordertomeettherequirementofbeingsaferandfasterChineseRailwaysurgentlyneedtoequiptraincontrolsystemwhichisadvancedperformancesafetyand

2、reliabilityMinistryofRailwayproposedastrategyofdevelopingCTCS(ChinesoRailwayControlSystem)TherearemanyexperimentsintheresearchofCTCSandtheywillinfluenceothertrainstooperateontheexistinglinesManypeopleshouldtakepartinthem

3、，alsomoremoneyandtimeareconsumedThereforeitisurgenttodevelopsimulationandtestplatformwhichwillhelptodoresearchforrelatedproblemsBuildingsimulationplatformtesearchCTCSisaveryefficientmethodWecancomparediffidentcontrolarit

4、hmeticonthisplatform，andgetcreditableestimateaboutthesystemUsing3Dscenetechnologytosimulateso：ncfromdriver啪greatlystrengthenthetreefeelingandconfidencelevelofsimulationsystemThusthe3Dsc￡nesimulationsystemisanindispensabl

5、epartinCTCSsimulationandtestplatformThepaperfinished3Dsc圮nesimulationdevelopmentofCTCSlevel3simulationandtestplatformTherearefourresearchaspectsinthepaper：(1)Terrain，railwayandstation3Dmodelsbuilding(2)3DsoBnerealtimesim

6、ulationsoftwaredeveloping(3)Communicationmodelbetween3DmodelandotherpartofCTCS3simulationandtestplatformdesign(4)3DsoDncreal—timedisplaytechnologiesresearchInthesefouraspects3Dmodelbuildingofterrainand3Ds咖erealtimedispla

7、ytechnologi髂arethekeyanddifficultquestiontobesolvedofthepaper；itmustconformtotherealsceneIntheconditionoflimitedcomputerhardware，wemustreachthebalancebetweenprogramrealtimeandmodelstruefeelingbysoftwaretechnologiesAnalys

8、isthesimulationresuItwecangettheconclusion：theresearchescangetclosefeelingsoftraindriverwhentheyface3Dreal—timemodelsimulationthepaperdesignedandtheyc柚alsoamendthemodelconvenientlybytheirneedsBesidethatthroughthesimulato