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1、ControlofaPermanentMagnetSynchronousMotorwithNon-SinusoidalFluxDensityDistributionOskarWallmarkDepartmentofElectricPowerEngineeringCHALMERSUNIVERSITYOFTECHNOLOGYG¨oteborg,Sweden2001THESISFORTHEMASTEROFSCIENCEDEGREEControlofaPermanentMagnetSynchronousMotorwithNon-Sinuso
2、idalFluxDensityDistributionOskarWallmarkDepartmentofElectricPowerEngineeringCHALMERSUNIVERSITYOFTECHNOLOGYG¨oteborg,Sweden2001ControlofaPermanentMagnetSynchronousMotorwithNon-SinusoidalFluxDensityDistributionOskarWallmarkcOskarWallmark,2001.TechnicalReportNo.59EDepart
3、mentofElectricPowerEngineeringCHALMERSUNIVERSITYOFTECHNOLOGYSE-41296G¨oteborgSwedenTelephone+46(0)317721000ChalmersReproserviceG¨oteborg,Sweden2001AbstractThisthesisdiscussesvariousaspectsofcontrollingapermanentmagnetsynchronousma-chinewithanon-sinusoidalrotorfluxdensit
4、ydistribution.Thetransientmodelofthemachineintherotororienteddq-frameisderived,includingthenon-sinusoidaleffects.Thedesignofcurrentandspeedcontrollersisalsodiscussed.Thecurrentcontrollerisimplementedinapermanentmagnetmachine,intendedforhybridelectricvehicleap-plications
5、,yieldinggoodresults.Analgoritmtoestimatetherotorposition,basedonhighfrequencysignalinjectionandanonlinearobserver,isalsoimplementedwithgoodresults.Thefluxlinkageharmonicsaremeasuredandthepredictedtorqueandcurrentrippleareverifiedbymeasurements.Keywords:Currentcontrol,no
6、n-sinusoidalfluxdensity,permanentmagnet,sensorlesscontrol,signalinjection,speedcontrol,synchronousmachine,torqueripple.iAcknowledgementsManypeoplehavecontributedtothisthesis.IwouldliketothankmyexaminerAssoc.Prof.OlaCarlsonforhelpwithproofreading,financingandmanyotherthin
7、gsconcerningtheproject.IamverygratefultomymainsupervisorTech.Lic.RolfOtterstenfornumer-ousfruitfuldiscussionsandinvaluablehelpdowninthelaboratory.IwouldalsoliketothankAssoc.Prof.Torbj¨ornThiringerforhelpingmewiththemeasurementsystemandProf.LennartHarneforsforsharingwit
8、hmehisworkandinterestingdiscussionsaboutcontrolofelectricaldrives.ThefinancialsupportfromtheSwedishNationalEnergyAdmin
