交通網絡復雜性及其優(yōu)化研究.pdf

1、天津大學博士學位論文交通網絡復雜性及其優(yōu)化研究姓名：李進申請學位級別：博士專業(yè)：管理科學與工程指導教師：馬軍海20090201AbstractTheeme唱enceofcomplexne似，orktheo眄aG’ordsusanothernewandgoodmethodtostudycomplexsystemsManycomplexsystemsintherealworldcanbedescribedasthecomplexnetwor

2、ks，so，itisobviousthattherearegreatvaluest0researchcomplexsystemsbycomplexne倆orktheo巧Atpresent，thehot6eldofcomplexnet、ⅣorkresearchisfocuSedonthetopologicproperties，dynamics，synchronization，epidemicandmodelingIncomp撕sonwit

3、habstractnetworks，littleattentionispaidtospatialnetworksAllofthenodesandedgesofthespatialne觚orI(shavespecialgeogr印hicalpos“ion，so，wemustconcentrate0ntheirSpatalcharacteristicsandoptimalplanunderthereStrictionofgeo伊aphyco

4、nditionsbesidestheirtop0109icpropertiesThuswec柚managetlleSpatialne鉚orkse仃ectiVely柚de伍cientlytoimprovetheirabili夠onresistingdamageorattackThedissertationin們ducesthecomplexnet、vorktheo巧’sdeVelopmentandresearchactualit)，ofi

5、ntemationalanddomesticOntherespectofsearchingspatialpropertiesandtheoptimizationof訛nspo似ionnetworI(，themainworksofmedisseltationareasf10Ilows：First，bystatisticanalysis，akindofcomplexne甜orkswhosede伊eediStr渺utionfollowedaG

6、aussian一1ikcdistributionwasputforvvardAftercaSestudy，itwasfoundthatthedegreedistributionofChineseRailwayNmVork，NationaIHi曲waySyStemofsomecoun_triesandSubwayNetworksofsomecitiesallfollowedthis夠pe；Second，somebigcities’subw

7、aynetworkswereanalyzedanditwasfoundthattheysharedsomecommoncharacteristics：tendingtochooseshortedges，aVeragedegreeisnearto2，clusteringcoefficientisalmoSt0andla瑪edi鋤eterBycomputersimulation，itwasalsofoundthattheStructureo

8、fsub、ⅣayneW的rkwasVe巧likeminimumspanning仃ee，andBeijingsubwaynctworkwasrobustunderrandomfailurebutfrailundermaliceattackThird，somecoun仃ies’NationalHi曲waySystemswere卸alyzedandit、vasfoundthattheysharefollowcommoncha船cteristi

9、cs：tendingtochooseshortedges，averagedegreeissmallthan4，smallclusteringcoe幣cientandla唱ediameterThen，t11egenesisofaboVepropertieswasanalyzedf_romtllerespectoftheirspatialgeographicck嗽lcteristics；Fourth，thedynamicevolvement