Simulation of Unparallel Train Schedule of Double-Track Automatic Blocking Based on Cellular Automaton Model

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1、SimulationofUnparallelTrainScheduleofDouble·-TrackAutomaticBlockingBasedonCellularAutomatonModelYongshengQIAN，PeijiSHI，HailongWANG，andHongxiaKANGAbstract-Thephenomenonofpassengersandfreighttrains，thehighandIowspeedtrainsmixedrunatthesamesection．hasbroughtdifficuriesforthetr

2、aincapacitycomputationaImethod，ButthesimulationtechnoloRybasedoncellularautomatondemonstratesitsuniquesuperioritytosolvethiskindofquestion．BasedontheNaSchandLiKepinR’stramcmodel，inviewoftherailwaytransportationcharacteristics，themovementruleofcellularautomatonisrevised，thec

3、ellularareaandchangingregulationarestipulated．Therelatedparametersaredemarcated．AIsoonekindcellularautomatonbasedonrailwaysectioncontroIisproposed．whichisusedtotherailwaysystemandcansimulatethetrainrunningofunparalleltrainschedule．Theeffectsoftheratioofthenumbersofthetrains

4、atdifferentspeedsandthetrainheadwayonthetraincapacityofthesectionareanalyzed．Theresultofsimulationshowsthatthissituationisinaccordancewiththerealityoftherailwaysystem．／ndexTerms—CellularAutomatonModel；trainschedule；computersimulation；traincapacity；automaticblockingsystem1．I

5、NTRODUCTIoNAlongwitheconomicdevelopmentandall-roundsociaIprogressby1capsandbounds．themoredemandforrailwaytransportation，howeveLallsaturationintermsoftransportcapacityhasbeenstrainedtotheutmostandtherailwaytransportationonlycanmeetonethirdofthedomesticdemandandtheratioistend

6、ingtodecline．Lackoftherailwaytransportcapacityhasseriouslyhandicappedeconomicandlogisticsdevelopment，Sotheenormoustesthasputforwardintherailwaysystem．Withthecalculationofthetraineapacity，therailwayconstructionplansareformulatedrightly,transportationproductionplansarearrange

7、ddesignedlyandtherailwaytransportationcanbeinkeepingwiththeneedsoffurtherdevelopingthenationaleconomyandimprovingpeople’slivelihood．Buttheaccuratecalculationofthetraincapacityisaextremelydifficultproblem．Atpresent．thecalculationofthetraincapacityisalmostusedthetraditionalco

8、efficientoftrainremovalmethod．andtheaccuracyoftheresultofthe1calculationismostlyde