混合勵磁雙凸極電機及其驅(qū)動控制系統(tǒng)研究.pdf

1、東南大學(xué)博士學(xué)位論文混合勵磁雙凸極電機及其驅(qū)動控制系統(tǒng)研究姓名：朱孝勇申請學(xué)位級別：博士專業(yè)：電機與電器指導(dǎo)教師：程明20080526ABSTRACTAhybridexciteddoublysalient(HEDS)machineisanewfluxcontrollablepermanentmagnetbrushless(PMBL)motorwherethepermanentmagnetsaremountedinthestatorDue

2、totheexistenceoftheauxiliarydcfieldwindings，themotorhasnotonlytheadvantagesofPMmachinesbutalsoaflexiblefluxcontrolcapabilitynemotorshavelargestarttorqueandexpandedadjustablespeedrangeandhavehugepotentialapplicationinindu

3、stryaeronautics，astronautics，vehicleandshipsInthispaperthefluxcontrolprincipleofHEDSmachineissystematicallyintroducedforthefirsttimeThemachinetopologydesigntheoryandcontrolstrategyarealsopresentedMoreovera12／8poleHEDSmot

4、orhasbeendesignedandbuiltforevaluationExperimentalresultsontheprototypemotordrivearegiventoverifythetheoreticalanalysisThisthesislaysafoundationforfurtherresearchanddevelopmentoftheHEDSmotordriveThefiuitsofthethesisareas

5、follows：1TheoperationprinciplesandmotortopologyoftheHEDSmachineareanalyzed，andthe“hybridexcitation’’conceptisexplainedexactly2nedesigndetailsoftheHEDSmachinearepresentedinthethesisEspeciallytherelationshipamongthevolumeo

6、fthePMs，theturnnumberoftheDCfieldwindings，thefluxcontrolabilityandtheextendedspeedrangearededucedforthefirsttimeThusthemethodprovidsapracticalwayforthedesignertomakeinitialcalculationsofmotordimensionsandparameters3Byusi

7、ng2Dand3Dfiniteelementanalysis(FEA)，thecorrespondingelectromagneticperformances，includingfluxdensitydistributioninairgap，hybddexcitedfluxlinkageandbackEMFarepredicted，andthecapabilityoffluxcontrolisobtained‘‘Onestep’meth

8、odispresentedtoanalyzetheendeffectinstatorpermanentmagnetmachinesBothsimulationandexperimentalresultsaregiventosupportthevalidityoftheproposedapproach4AgeneralHEDSmotordriveandcontrolsystemisbuiltandimplementedbyusingMAT

9、LABInordertooverallassessmentperformanceofthemotorsomedifferentcontrolmethodsandstrategiesareusedinthedrivesystem5SometorquerippleminimizationmethodsarepresentedinthethesisFortheREDSmotorwithoutrotorskewinganinjectinghar

10、moniccurrentcontrolmethodisappliedForthemotorwithskewedrotoracurrentvectorcontrolmethodispresentedBoththeoryandexperimentalresultshavedemonstratestheeffectivenessoftheproposedmethodinreducingtorqueripple6Basedonthehighpe

11、rformancedigitalsignalprocessor(DSP)，adigitaldriveandcontrolsystemofREDSmotorisbuiltnletestsystemhaveseveralmerits，suchas：flexiblecontrolhighintelligence，easilymodifiedparameterandconvenienceofdistributingcontrolwhichpre

12、sentsapowerfulandsafeplatformtoimplementthetests7，nlesteadysta／eanddynamicperformancesareinvestigatedexperimentallyInadditionthecapabilityoffluxcontrolandanoverallassessmentontheinfluenceoftheDCfieldwindingarccardedoutBo