基于OSP的三相交流异步电机矢量控制系统
FieldorienlatedControlof3一PhaseACAsynchronousM0tor
BaseonDSP
Abstract
With the developmentof POWerelec廿。nics,micrD 一processorand刀e、vtechnofogy of
motorcontIUI,也eperformanceofACsPeedregUlation systemishigh1yPrOInoted.ItseerO5
山缸DCspecdregulation system袱Ube rePlaced by ACspeed re酗ation system,when
v面able丘equencytechoOlogy c0Illesout.Butthehigh deve10Pmentofnational economy
needshigberP代cisi叽 w记erpeed户re酬atingrange and亚玲terresponseof ACvan able
触quencySPeedregulation system,whileFieldorientatedcontml(FOC)issuitablefor its
d此ctcontrolofinductiontorque.In面sPal姆r,山erese毗hand助alysisofFieldorientated
c叨仃。lisdone ,FOCsystemisdssignedb出犯don high- performaneedigi因 signalProcessor
但SP).Also,止edsadtime e月贻ctofinverterisana】yZed,deadtimecompensationisdone.
In 而sPal犯r,比edeveloPmentand功ethod of v面abl e丘equency,thenationa】胡d
intematiol回 reSeaxcbof F0Careintroduced Tbemathem硕cmodelof U止ee.phaseAC
留ynchronousmotorin幻邢0.phase rotatingcoordinatesiseduced丘omthemathematicmodel
inthlee,Phasecoordinatesby Clarke七ansform andParke坛却sfonn.Basedon the rotornux
Orientationtheoryand面smathenlaticmodel,therot0rflux observerisdesignedtomakesure
the magnetizingandtorquec侧rrenicomponentsofaSynchrOnous m0t0risdecouPIed丽扭bly
ACCording tocoDtI01theoryofDCmotor,cunent助dspeeddualcfosedfo叩 叨ntrolsystem
ofFOC iswo rked out.Arithmeticof FOC is built ontheh盯dwarePlatform 初th
TMs320LF2407A asmain controner.Tl1etheOryandc0nunonmetbodsofSPace vectorPul se
初dthmo dulatlon (SVPWM)isdissertated,a。 助provedmethodofSVPWMisadvanced.
叨dthedeadtimecomPe几祖tionoflnverterisc别rriedout
ExperimentindicatesfieldorientatedcontrOlsystemusingrotorfluxotientationtbeoryis
e盆cenenitomeet tor叼ueandspeedneedofmedern asynchronousspe司.regul如onsystem,for
its simPlestlucture,c。刀venientdscouPling of cUrrent,high dyl团川cpeiformance and
preClsiOD.
K即Words:ACAs”c知℃nousMotor;Digital signa1Processor ;FieldorieofedControl;
SpaceVectorPulsewidthModulation;DeadTime COmpensation