道路路网交通应急事件救援资源的优化派遣方法.pdf

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1、JournalofSoutheastUniversity牗EnglishEdition牘Vol．２９牞No．３牞pp．３３６３４１Sept．２０１３ISSN１００３—７９８５Optimaldispatchingmethodoftrafficincidentrescueresourceforfreewaynetwork１牞２１１ChaiGanRanXuXiaJingxin１牗IntelligentTransportationSystemResearchCenter牞SoutheastUniversity牞Nanjing２１００９６牞China牘２牗ChangzhouRese

2、archInstitute牞SoutheastUniversity牞Changzhou２１３０１４牞China牘Abstract牶Anoptimalresourcedispatchingmethodisproposedlocalsectionsalongtheroad牞buttheyarelimitedinthattosolvethemultiple-responseproblemundertheconditionsofanincidentcorrespondstoonlyoneresponsevehicle．犤６７犦potentialincidentsonfreeway

3、networks．TraveltimeoftheSubsequently牞Zografosetal．studiedthedispatchingresponsevehicleisselected牞insteadofroutedistance牞asthetypesbasedontheshortestdistancefromvariousrescueweighttoreflecttheimpactoftrafficconditionsonthedispatchingpointstothecurrentincidentpoint．However牞decisionsofrescue

4、resources．Accordingtothecharacteristicsbecauseoftime-varyingtrafficcongestionlevels牞theofdifferenttypesofrescuevehicles牞thedispatchingdecision-shortestdistancedoesnotmeantheshortesttraveltimeformakingtimeisrevisedtoshowtheheterogeneityamongtheclosestresponsevehiclestoreachtheincidentpoint

5、．differentrescuevehicledispatchingmodes．ThegeneticInregardtotheresourcedispatchingunderpotentialinci-algorithmisusedtoobtainthesolutionstotherescueresources犤１牞８犦dents牞Sheralietal．definedtherescuecostofpoten-dispatchingmodel．Acasestudyshowsthattheproposedtialincidentsasanopportunitycostand

6、developedanop-methodcanaccuratelyrevealtheimpactofpotentialincidentsonthecostsofrescuesaccordingtothevariationsinthetypesportunitycost-baseddispatchingmodel．Whenthereareandquantitiesofrescueresources牞andtheoptimaldispatchingpotentialincidentsinafreewaynetwork牞thedispatchingplanwithrespect

7、topotentialincidentscanbeobtained．Theoftheclosestrescuepointforacurrentincidentdoesnotproposedmethodisapplicableinrealworldscenarios．necessarilyachieveglobaloptimization．Thismethodin-Keywords牶optimaldispatching牷potentialincident牷geneticcorporatestherescuecostofpoten