电动车用定子双馈电双凸极电机及其驱动系统研究

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1、东南大学博士学位论文电动车用定子双馈电双凸极电机及其驱动系统研究姓名：孔祥新申请学位级别：博士专业：电机与电器指导教师：程明20081026摘要AbstractAsanovelmachine，Stator-Doubly-FedDoublySalient(SDFDS)motorisdevelopedbasedontheDoublySalientPermanentMagnet(DSPM)motor．Duetotheabilityofregulatingthefieldfluxindependentlyandeffectively,it’

2、Sveryconvenienttoextendtherangeofconstantpowerregionandrealizetheon—lineefficiencyoptimizationwhenthefieldcurrentandarmaturecurrentarecontrolledcoordinately．HenceSDFDSmotorsatisfiesthedemandsofelectricvehicles(EV)．WiththeprojectsupportofNationalNaturalScienceFoundation

3、ofChina(50377004)，SDFDSmotorhasbeendeeplyandsystematicallystudiedincludingthecontrolmethods，analysisofthetorqueripple，andconstantpowercontrolbyfieldweakening,efficiencyoptimizationandSOon．ThegeneralmethodofdesignandanalysisofSDFDSmotorhavebeenexploredandthedigitaldrive

4、andcontrolsystemofhardwareplatformofSDFDSmotorisbuiltbasedondigitalsignalprocessor(DSP)．TheperformanceofSDFDSmotoriscomprehensivelyevaluatedbasedontheexperimentalplatform．Thefruitsofthisthesisareasfollows：1．TheresearchbackgroundofEVandthelatestprogressesofthedrivesyste

5、maredescribed，andthedrawbacksofDSPMdrivesystemarepointedout．Moreover,thepresentresearchsituationofSDFDSmotorathomeandabroadisreviewed．2．TheoperationprinciplesandtopologyofSDFDSmotorareanalyzed，andthemathematicalmodelofSDFDSmotorisbuilt．3．Theinitialcalculationofmotordim

6、ensionsisgiven，andtheoutputpowerequationisanalyticailyderived．Moreover,finiteelementanalysisofa12-8poleSDFDSmotoriscarriedout,andtheparametersofSDFDSmotorarecalculated，whichestablishesthefoundationofthesimulationmodeloftheSDFDSmotordrivesystem．4．Duetotheabilityofself-s

7、tudyandself-adapt,asingleneuronself-adaptivePIDcontrollerisdesignedinviewofthenonlinearityandcouplingfeatureofSDFDSmotor,anditstheoreticalbasiswiththeprinciplesofchoosingtheparametersisintroduced．Theeffectivenessoftheproposedschemeisverifiedbyexperimentalresults．5．Theu

8、niquesalientstructureofSDFDSmotorresultsinhighertorqueripple．Byinjectingspecificharmonicsinphasecurrents，theidealarma