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1、IEEEVehiclePowerandPropulsionConference(VPPC),September3-5,2008,Harbin,ChinaSimulationandExperimentalAnalysisonWirelessEnergyTransferBasedonMagneticResonancesChunboZhu,KaiLiu*,ChunlaiYu,RuiMa,HexiaoChengSchoolofElectricalEngineeringandAutomation,HarbinInstitu
2、teofTechnology,Harbin,China,150001*CorrespondingAuthor,Email:liukai.hit@gmail.comAbstract—Wirelessenergytransferbasedoncoupleddischargetoprolongthelifeofthebattery.Ifwecanmakemagneticresonancesisanewtechnologywhichenergycanfurtherimprovementonthetransferpower
3、andefficiency,betransferredviacoupledmagneticresonancesinthenon-thistechnologywillhaveawiderapplicationprospect,radiativenear-field.Asimpleenergytransfersystemsuchasindustrialrobot,aerospace,wirelesssensorstructurewasproposedinthispaper.Basedonthisnetworks,an
4、dRFIDtechnology.structure,thebackelectromotiveforce(back-EMF)intheII.THEPOSSIBILITYOFENERGYTRANSFERVIAreceivingcoilrelatedwithdifferenttransferdistanceandCOUPLEDMAGNETICRESONANCESwithdrivingfrequencywassimulatedandanalyzed.Experimentalresultsshowsthatthepower
5、canbeResonancephenomenoniswidelyexistedinnature.transmittedisupto50W,thetransferefficiencyismoreDifferentkindofresonancecontainsdifferentkindofthan60%,thedistanceofenergytransferislongerthan1energy.Thesoundoftuningforkisproducedbyresonancemeter.Theenergytrans
6、ferringisabletogothroughvariousandtheearthquakeisalsoproducedbyresonance,whilenon-metallicobjects.Theprospectiveapplyingfieldsaretheenergyofearthquakeismuchhigherthanthesoundofwide,suchasEVcharging,industrialrobot,aerospace,tuningfork.wirelesssensornetworks,a
7、ndRFIDtechnology.ResonanceisatrendthatonephysicalsysteminitsnaturalfrequencytendstoabsorbmoreenergyfromtheKeywords—Energytransfer;Wireless;Magneticresonanceenvironment.Inotherwords,itisaphenomenonthatoneobjectvibrateswhichcausetheotheronewiththesameI.INTRODUC
8、TIONfrequencyvibrates.Resonancescantransferenergy.ThereFortheelectricvehicles(EVs)whichusingelectricisasimpleexample:whentwotuningforksAandBwithenergyastheenergysource,thepowersupplementa
