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ID:36574479
大小:3.94 MB
页数:90页
时间:2019-05-12
《数字输电网络的关键技术研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、浙江大学博士学位论文数字输电网络的关键技术研究姓名:李晓骏申请学位级别:博士专业:电力系统及其自动化指导教师:邱家驹20030701浙江大学博士学位论文ABSTRACTThetermof‘‘DigitalEarth'’isputforwardin1998.Inordertoresolvetheconflictbetweenthelargeamountofinformationandsatisfyingutilization,itprovidesanintegratedinformationsystemwithauniformstructuremodel..Afteri
2、ntroducingthemeaningof“DigitalEarth”anditsrelevanttechnologies,thisthesisexpatiatesitsmainfimctions,structure,andfutureapplications.Itputsthefocusonhowtorealizethesystem.‘‘DigitalPowerTransmissionNetwork”isactuallyaplatformusedforinformationmanagement.Itconformsthedatacorrelatedtotransm
3、issionnetworkthroughdatamanagementandvirtualrealitytechnology.AlsoitCandemonstratethecircumstanceandstatusofthewholetransmissionnetwork,andCandotheautomaticverificationandsimulationofnetworkdesign,operationandmanagements.Finallyitachievesthegoalofprovidingexcellentsupportsinthewholelife
4、cycleofatransmissionnetwork.ReasonabledigitalmodelsandorganizationmethodsarethebasicpremisetoDigitalPowerTransmissionNetwork.Thisthesisdiscussestheclassificationofrelevantdataandthecorrespondingdispositionmethods.Itprovidesmulti—scaleandmulti-leveldigitalmodels,andrealizesthemanagemento
5、fDigitalElevationModel,satelliteimaging,aerialphotos,surfacefeatures.ThecorecontentsofDigitalPowerTransmissionNetworkaretobuildthetrueThreeDimensionSceneofobjectiveregion,tosearchforthetransmissionequipmentsandtooperatetheminthesceneinteractively.Accordingtothetwomainkindsofthreedimensi
6、ondigitalmodels(EarthSurfaceModelandtransmissionequipmentmodel),thisthesisdescribesasirnplifyingmethoddependedonview—point:Itaccomplishesdisplayingandflyingoveralargeareaoftrueearthsurfacewithlevelofdetailmodelbasedonblock—binarytree.Anditrealizestheefficientdisplayofabundantdataofequip
7、mentmodelsandinteractivemanagementbythemethodofcombinationofmodelsandimages.Transmissionlinedesignisacomplexsystemprojectwithlargeinvestment.Basedondataprovidedbydigitaltransmissionnetwork,andcombinedwiththeII塑垩查兰堕主兰竺笙苎geneticalgorithm,thethesisputsforwardageneraloptimizationme
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