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1、华北电力大学硕士学位论文AbstractAlongwiththedeepeningofinternationalizationandmarketizationinconstructionmarket,theconstructionsectorsparkedawaveofpricecompetition,thus,costcontrolandmoreattentionintheindustry,inordertoseeksurvivalanddevelopment,enterprisesmusttakeeffectivemeasurestomana
2、gecostoptimization.Inanincreasinglyfiercemarketcompetition,theenterprisewantstoimprovethecompetitivenessandprofitabilitymustbecarriedouttooptimizeengineeringprojectcostmanagement,ithasobtainedthegoodbenefitinthepracticalpromotion.Theconceptofwholelifecyclecostoptimizationisus
3、edtointhispaper,systemsandscientificanalysisandresearchprojectsinvolvedintheplanning,design,procurement,construction,operation,onthebasisofanoveralloptimizationoftheprojectlife-cyclecostmanagement.Themaincontentsofthispaperare:⑴Thetheoreticalbasisofthewholelifecyclecosts.This
4、parttothewholelifecyclecosttheoryandmethodasthekeypoint,detailedintroducestheclassificationofthewholelifecycleandtheconceptofthewholelifecyclecost,wholelifecyclecostoptimizationandoptimizationmethods.⑵Lifecyclecostoftheengineeringprojectmathematicalmodeloftheproblemoptimizati
5、on.Inthispart,thefirst,introducedtheconceptsandfeaturesoftheengineeringprojectandthelife-cyclecostsofengineeringproject.Secondly,describesadvantagesandfeaturesofthetheoryoflifecyclecostisusedtoengineeringproject.Finally,basedontheanalysisofengineeringprojectsofthelifecyclecos
6、tsconstitutionandthemaininfluencefactorstobuildingamathematicalmodeloftheprojectlife-cyclecostoptimizationproblem.⑶Theoptimizationalgorithmsandempiricalanalysis.Inthispart,thefirstelaboratedtherelatedtheoryknowledgeofdifferentialevolutionalgorithm,andthenadetailedanalysisofth
7、eactualsituationof220KVsubstationproject,finally,accordingtothecharacteristicsandprocessesofthedifferentialevolutionalgorithm,220KVsubstationprojectoptimizationmodel.ExperimentalresultsshowthatthesubstationprojectLCCoptimization,differentialevolutionalgorithmthanotheralgorith
8、mcanachievehigheraccuracyoptimalsolution,andtherunningtimeisrelative
