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Multi - objectiveoptimaloperationofurbanstorm waterpumpstation
basedonSWMM andNSGA - Ⅱ
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1,2
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1,2
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CHENXuekai ,LIUXiaobo ,DONGFei ,LIANQiuyue ,MAOZhanpo,WANGRuonan
(1.StateKeyLaboratoryofSimulationandRegulationofWaterCycleinRiverBasin,ChinaInstituteof
WaterResourcesandHydropowerResearch ,Beijing 100038,China;
2.DepartmentofWaterEcologyandEnvironment,ChinaInstituteofWaterResourcesandHydropowerResearch,
Beijing 100038,China;
3.ChinaPowerConstructionGroupCo.,Ltd.,Beijing 100038,China;
4.WaterConservationPromotionCenter,MinistryofWaterResources,Beijing 100038,China)
Abstract:Aimingattheproblemsofsingleregulationtargetandslowoptimizationtimelinessofstormwaterpump
stationsinurbancomplexwatersystems ,theprocesssimulationofwaterquantityandqualityinSWMM isdeeply
coupledwiththefastnon - dominatedsortingofNSGA - Ⅱ.From theperspectivesofalleviatingurbanflooding,
controllingtheoutputofnon - pointsourcepollutionloadsandreducingpowerconsumption,amulti - objectivebal
ancedregulationmodelofurbanstormwaterpumpstationwasestablishedwithmulti - threadedparallelcomputing
anddecisionmakerpreferences.Acasestudyiscarriedoutontheoptimalschedulingofstormwaterpumpstations
inTianjinAirportEconomicZone.Theresultsshowthat,underthetypicaldesignprecipitationscenario,theopti
malmodelreduces1383.34kgpollutionoutputloadandsaves621.92kW ·helectricenergywithoutsignificantly
increasingtheaccumulationtimeofurbanflooding.Thesolutionefficiencycanbeincreasedto4.2timesthatofsin
gle - threadedcalculation.Thisoptimizationschememakesfulluseofthestoragecapacitybufferingandwater
qualitydilutioneffectsofthestoragetank ,whichslowsdowntheinstantaneousimpactofprecipitationontheurban
waterenvironmentandreducesoperatingcosts.
Keywords:multi - objectiveoptimaloperationmodel;multithreadparallelcomputing;urbanfloodinginundation;
pollutionload;powerconsumption
(责任编辑:耿庆斋)
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