城市轨道交通cbtc系统车载atp的分析与仿真-(5575)

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1、城市轨道交通CBTC系统车载ATP的研究与仿真AbstractTheCBTC(CommunicationBasedTrainContr01)systernisanadvancedtraincontrolsystem，andisthetrendintraincontrolsystemsintheurbanmasstransit．Itiswidelyappliedinthesubwaylinesofmanycitiesinourcountry．However’mostoftheseCBTCsystemsareforeignsystems，anduntilnowChi

2、nahasnomaturcCBTCsystem，thustherelativedepartmentpaysmuchattentiontoitsresearchanddevelopment．Theon-board册(AutomativTrainProtection)isanimportantsubsystemoftheCBTCsystem．ItisinchargeofthesafetyfunctionscooperatingwiththezC(zonecontroller)．Theon-boardK殴hasmanyfunctionssuchasconverting

3、ofdrivemode。measuringtrainspeedandtraindistance，calculating筒曙ClLnN伪，monitoringtrainspeed，protectingtrainspeed,monitoringtrainanddoors，readingbalise，communicatingwithzonecontrollerandhandoverofzonecontrollersetc．Itisseen也attheon．boardA皿hasmanyfunctionsandallofthemarerelatedtothesafety

4、ofthetrain，andbecauseitisnotwelldevelopedinChinanow,itisvaluabletostudytheon—board觚Thearchitectureandfunctionsoftheon-board册subsystemoftheCBTCsysternintheurbanmasstransitarcdesigned,andtheon-board艘subsystemissimulatedusingVC++6．0．田地designandsimulationoftheon—board册arcbasedonstudyingt

5、hefunctionsandtechnologyspecifiesofthematureCBTCsystems，especiallyspecifiesoftheir册subsystemsaccordingtotherealCBTCsystemappliedinthesubwaylines．Duringtherealizationoftheon-board艘simulationsubsystem,thispaperfocusesonthefollowingseveralpoints：First．the册modeloftheCBTCsystemintheurbanm

6、asstransitisstudied,andan．艘modelbasedonthestandardsofthespeedmonitoringofthemostrestrictivespeedtriggeringcurve，normalbrakingtriggeringcnrvc，emergencybrakingwarningcurveandemergencybrakingtriggeringcurvcisdesigned。西ehctorsoftrainperformance,lineconditions，trainbasicresistance，trainad

7、ditionalresistalicearcconsideredinthisA口model．Theformulasandthealgorithmofthe鼹Pcurvesarealsogiven．Atlasttheautomatictrainprotectionprocessisrealizeddynamicallycooperatingwithothermodules．Second，theresistancesexistingintrainrunningarestudiedandtheirinfluencesonemergencybrakingarcanaly

8、zedbyquantit