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1、兰州交通大学硕士学位论文AbstractTherapiddevelopmentofsocialeconomypromotestheprocessoftheurbanizationino-urcountry,thescaleofcitiesisbiggerthanever.Urbanandruralareasinteractandpenetratewitheachother,whiletheboundariesbetweenurbanareaandruralareaareblurred.Thetransportationasthekeylinkofurbanandrural
2、areasisplayingapivotalroleintheprocessofsustainabledevelopmentofurbanfringeareasandwholecity.Inurbantransportplanning,becauseofpoortrafficfacilities,asmallrangeofservicesandotherreasons,urbanfringecanbeeasilyoverlooked.Underthebackgroundofpublictransportpriority,duetotheurbanfringeresiden
3、taresensitivetothecostandtheincomeisonthelowlevel,thestudyontheoptimaldesignofurbanfringepublictransportationnetworkhasagreatsignificance.Theresearchonoptimaldesignofurbanfringebusnetworkcannotonlyguaranteepassengergetthecost-effectivetransportservice,butalsotoachievetheenergy-savinggoal.
4、Followingarethemainaspectofthisresearch:First,makinganoverviewoftheurbanfringe.Thisoverviewisanalyzingthespecialityofurbanfringe,suchastransitivityanddependence.Andsummarizingthefactorsaffectingthemarginalzonedefined.Thesystemtoevaluatethedeterminationresultisconstructedafteroverview,besi
5、destheprinciplesandproceduresofdeterminationarediscussed.Onthisbasis,anurbanfringedeterminationbasedonK-Meansspatialclusteringdeterminationisintroduced,whichlayingagoodfoundationforfurtherstudyoftheurbanfringe.Secondly,fromtheperspectiveofcoordinativedevelopmentofurban-ruralareaandpriorit
6、izingpublictransportationdevelopment,theforecastofpassengerflowdemandmethodisproposed.Beforethat,thepassengerflowcharacteristicssuchasthedistributionfeaturesoftime,ingressandegresscharacteristicsareanalyzed.Thismethodisbaseontheurbantransportationplanning,providingascientificbasistodesign
7、optimizationofurbanfringetransportationnetwork.Finally,throughanalyzingtheinfluenceofnetworkbyurbanfringe’scharacteristicsuchasspatiallayout,traveldemand,roadconditionanddevelopmentpolicy,theprincipleandrequirementofurbanfringenetworkdesignisputforward.Basedonthetra