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1、城市公交枢纽换乘组织优化研究AbstractTherapiddevelopmentofthecitycausedtheincreaseoftrafficdemand,theurbantransportsystem,whichiscalled“city’sbloodandbones”,hasburstwithitstremendouschallenges.Inthissituation,therapiddevelopmentofsocialeconomyandpublictransportationissueshasbegunto
2、restrictwitheachother.Inordertoreducethetrafficcost,optimizethelandresources,reducetheenvironmentpollutionandfulfillthedominantpositionoftheurbantransportsystem,raisethelevelofpublictransportservicesisthetrendofthetimes.Therefore,thereasonableplanofurbanpublictranspo
3、rtationindifferentlinesdependlargelyonthetransportorganizationandtheservicefrequencyofeachbusline.Inthispaper,inordertostudythedifferentofbusservicedepartureinterval,differentbuslines’transferoptimizationischosenasthebreakthroughpoint,theprocessofpassengers’behavioro
4、flininguptothebusesiscombinedwiththequeuingtheory.Firstofall,theobjectofurbanregularbusisdefinedandthefunctionsandclassificationofurbanpublictransporthubisintroduced,theinternaltransferorganizationhavingtheprinciplesofcontinuity,regularityandefficiencyisdetermined.Th
5、en,thepassengersqueuingsysteminurbanpublictransporthubisdescribedwithnstochasticservicemodelM/M/1.Secondly,aminimumoveralltime-consumingmodelwithbothtwoobjectfunctionis2established.Beforemodeling,testmethodisusedandanalyzedtotestthearrivalofthepassengersandbusservic
6、edistributionaccordingtothedatacollectingfromNanMenhubofYinchuancity(differentpeakofpassenger’sflowchangesisnotconsideredinthedata).Basedontheseanalysis,thearrivalofpassengersandbusarerandominreal.Asaconclusion,thewayofprogrammingsimulationinurbanpublictransportisint
7、roducedforitssimulation,whichprovidesanin-depthresearch.Furthermore,thestepintervalissetforoneminuteinsimulationtoguaranteescientificrigor.Almosteverysituationinthetransfercaseissatisfiedinprogrammingsimulation,theactualstateisconsistentandthetestresultsofsimulationi
8、susedtosettheinitialconditions.Inaddition,thefivebuslinesoftheNanMenhubofYinchuancityistakenforanexampletoverifytheprogramsimulatio
