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1、-------華北電力大學(xué)碩士學(xué)位論文AbstractAlongwiththedeepeningofinternationalizationandmarketizationinconstructionmarket,theconstructionsectorsparkedawaveofpricecompetition,thus,costcontrolandmoreattentionintheindustry,inordertoseeksurvivalanddevelopment,enterprisesmusttakeeffectivem
2、easurestomanagecostoptimization.Inanincreasinglyfiercemarketcompetition,theenterprisewantstoimprovethecompetitivenessandprofitabilitymustbecarriedouttooptimizeengineeringprojectcostmanagement,ithasobtainedthegoodbenefitinthepracticalpromotion.Theconceptofwholelifecyclec
3、ostoptimizationisusedtointhispaper,systemsandscientificanalysisandresearchprojectsinvolvedintheplanning,design,procurement,construction,operation,onthebasisofanoveralloptimizationoftheprojectlife-cyclecostmanagement.Themaincontentsofthispaperare:⑴Thetheoreticalbasisofth
4、ewholelifecyclecosts.Thisparttothewholelifecyclecosttheoryandmethodasthekeypoint,detailedintroducestheclassificationofthewholelifecycleandtheconceptofthewholelifecyclecost,wholelifecyclecostoptimizationandoptimizationmethods.⑵Lifecyclecostoftheengineeringprojectmathemat
5、icalmodeloftheproblemoptimization.Inthispart,thefirst,introducedtheconceptsandfeaturesoftheengineeringprojectandthelife-cyclecostsofengineeringproject.Secondly,describesadvantagesandfeaturesofthetheoryoflifecyclecostisusedtoengineeringproject.Finally,basedontheanalysiso
6、fengineeringprojectsofthelifecyclecostsconstitutionandthemaininfluencefactorstobuildingamathematicalmodeloftheprojectlife-cyclecostoptimizationproblem.⑶Theoptimizationalgorithmsandempiricalanalysis.Inthispart,thefirstelaboratedtherelatedtheoryknowledgeofdifferentialevol
7、utionalgorithm,andthenadetailedanalysisoftheactualsituationof220KVsubstationproject,finally,accordingtothecharacteristicsandprocessesofthedifferentialevolutionalgorithm,220KVsubstationprojectoptimizationmodel.ExperimentalresultsshowthatthesubstationprojectLCCoptimizatio
8、n,differentialevolutionalgorithmthanotheralgorithmcanachievehigheraccuracyoptimalsolution,andtherunningtimeisr
