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1、-------城市公交枢纽换乘组织优化分析AbstractTherapiddevelopmentofthecitycausedtheincreaseoftrafficdemand,theurbantransportsystem,whichiscalled“city’sbloodandbones”,hasburstwithitstremendouschallenges.Inthissituation,therapiddevelopmentofsocialeconomyandpublictransportationissueshasbeguntorestrictwitheachother.
2、Inordertoreducethetrafficcost,optimizethelandresources,reducetheenvironmentpollutionandfulfillthedominantpositionoftheurbantransportsystem,raisethelevelofpublictransportservicesisthetrendofthetimes.Therefore,thereasonableplanofurbanpublictransportationindifferentlinesdependlargelyonthetransporto
3、rganizationandtheservicefrequencyofeachbusline.Inthispaper,inordertostudythedifferentofbusservicedepartureinterval,differentbuslines’transferoptimizationischosenasthebreakthroughpoint,theprocessofpassengers’behavioroflininguptothebusesiscombinedwiththequeuingtheory.Firstofall,theobjectofurbanreg
4、ularbusisdefinedandthefunctionsandclassificationofurbanpublictransporthubisintroduced,theinternaltransferorganizationhavingtheprinciplesofcontinuity,regularityandefficiencyisdetermined.Then,thepassengersqueuingsysteminurbanpublictransporthubisdescribedwithnstochasticservicemodelM/M/1.Secondly,am
5、inimumoveralltime-consumingmodelwithbothtwoobjectfunctionisestablished.Beforemodeling,2testmethodisusedandanalyzedtotestthearrivalofthepassengersandbusservicedistributionaccordingtothedatacollectingfromNanMenhubofYinchuancity(differentpeakofpassenger’sflowchangesisnotconsideredinthedata).Basedo
6、ntheseanalysis,thearrivalofpassengersandbusarerandominreal.Asaconclusion,thewayofprogrammingsimulationinurbanpublictransportisintroducedforitssimulation,whichprovidesanin-depthresearch.Furthermore,thestepintervalissetforoneminuteinsimulationtoguaranteescientificrigor.Almosteverysituationinthetra
7、nsfercaseissatisfiedinprogrammingsimulation,theactualstateisconsistentandthetestresultsofsimulationisusedtosettheinitialconditions.Inaddition,thefivebuslinesoftheNanMenhubofYinchuancityistakenforanexampletoverifytheprogramsi
