基于NSGA-Ⅱ的给水管网压力监测点多目标优化布置.docx

基于NSGA-Ⅱ的给水管网压力监测点多目标优化布置
Abstract
Waterdistributionnetworkisacrucialpartofurbaninfrastructurethatensuresthatthecity'sresidentshaveaccesstocleanandsafewater.Anessentialaspectofwaterdistributionnetworkmanagementistheplacementofpressuremonitoringpoints.Inthispaper,weproposedanNSGA-II-basedmulti-objectiveoptimizationapproachforpressuremonitoringpointplacement,whichcombinesoptimizationofmonitoringcoverageandmeasurementaccuracy.Theproposedapproachaimstoprovideabetterinsightintopressuremonitoringpointplacementandtoimprovetheefficiencyandeffectivenessofwaterdistributionnetworkmonitoring.Theresultsofthesimulationexperimentdemonstratethattheproposedmethodoutperformsexistingmethodsintermsofsolutionqualityandcomputationalefficiency.
Introduction
Waterdistributionnetworkmanagementisafundamentalaspectofurbaninfrastructure.Adequatewatersupplyisessentialforthesurvival,growth,anddevelopmentofhumanbeings.Monitoringandcontrollingthewaterdistributionnetwork'spressureiscriticaltoensurewaterqualityandadequatesupplyinallareasofthecity.Thepressuremonitoringsystemcandetectthefaultsandanomaliesinthewaterdistributionnetworkandprovideinsightsintothenetwork'sbehavior.
Theplacementofpressuremonitoringpoints(PMPs)inthewaterdistributionnetworkisanessentialaspectofwaternetworkmonitoring.TheappropriateplacementofPMPscanhelpdetectthenetwork'sfaults,leaksandpressurevariationandprovidetimelyalertsforappropriateresponses.TheoptimalPMPplacementshouldaimtoachieveabalancebetweenthereliabilityofmonitoringandthecostofinstallation.
Inrecentyears,optimization-basedapproacheshavebeenusedtooptimizethePMPplacementinwaterdistributionnetworks.Thesemethodsmostlyfocusonoptimizingthenetwork'smonitoringcoverageoraccuracyofthemeasurements.However,theplacementofPMPsisamulti-objectiveproblemthatrequiresthesimultaneousoptimizationofmultipleobjectives.Inthisstudy,weproposeanNSGA-II-basedmulti-objectiveoptimizationapproachforPMPplacementinwaterdistributionnetworks.
MaterialsandMethods
Theproposedoptimizationapproachaimstoop