面向级联失效的复杂网络鲁棒性分析

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1、AbstractRESEARCHONROBUSTNESSOFCOMPLEXNETWORKFORSUPPRESSINGCASCADINGFAILUREABSTRACTThereliabilityofinfrastructurenetworkswhicharethebasicandcrucialcomponentsofourlivingcircumstancescontrolsthehigh-speeddevelopmentofsocialeconomyandnormallifeofthepeople.Buttheabominabledisastersandlarge

2、-scalenetworkparalysiswhichcausedbycascadingfailurearefrequentlyoccurredintheinfrastructurenetworks.Alongwiththeincreasingofthescaleofinfrastructurenetworks,thenetworkscanfacilitatetheeconomicdevelopmentandpeople'slife,meanwhile,thecomplexityofthenetworksisalsoenhanced,whichmaycauseth

3、eresearchandcontroloninfrastructurenetworktobecomemoredifficultwhenthenetworksufferscascadingfailure.Inordertosolvetheproblemthathowtoobtainhighrobustnesswithfixedcost,thispapersummarizesthestaticrobustness,thedynamicrobustness,redistributionofloadsandthemeasurementsofrobustnessofcomp

4、lexnetworkbasedonthetheoryofcomplexnetwork.Andtheresearchesontherobustnessofrailwaynetworkandinterdependentnetworkundercascadingfailurearecarriedoutinthispaper.Moredetailsandinnovationareasfollows:1).Thedynamicrobustnessofthecomplexnetworkistheconnectivityofnetworkunderdynamicloads.It

5、canbemitigated,evenbesuppressedthespreadofcascadedfailurewithreasonableredistributionoftheloadofedges(nodes)whenthenetworksuffersfailures.Intermsoftheactualtrafficcongestion,alocalloadredistributionstrategyisproposed,itcanredistributetheadditionalloadwhichobtainedbythetrafficcongestio

6、ntotheneighborsections,andrelievetheawkwardsituationofjams.Takingintoaccountthedisadvantageofthealgebraicconnectivityandnaturalconnectivity,animprovednaturalconnectivityisputforward,whichnotonlycanrapidlyandsensitivelyrespondwiththefailures,butalsocanclearlydistinguishwhetherthenetwor

7、kconnectsornot.2).Itplaysacrucialroleforrailwaytransportationsystems,especiallyinChineserailwaytransportationsystemsindeliveryofcargoandpersonnel.ByabstractingChineserailwaytransportationsystemsasthreenetworkmodels,weoptimizethenetworkswithanoptimalalgorithmbasedonaddingcombinededges.

8、Thena