基于反電動(dòng)勢(shì)法的無(wú)刷直流電機(jī)的控制研究.pdf

1、學(xué)校代號(hào)：學(xué)號(hào)：密級(jí)：10532S03097017公開(kāi)湖南大學(xué)碩士學(xué)位論文Y892905基于反電動(dòng)勢(shì)法的無(wú)刷直流電機(jī)的控制研究堂僮蟲誼厶娃芻；艘唆齷昱啞娃名壁驅(qū)馥!型隆i量熬援墻羞里僮；魚氫皇賃星王捏堂醫(yī)：專業(yè)名稱：電扭皇電器論文提交日期：2006年4月5日逭塞答整目翹；2Q逝生5旦!≥目鳘避蠶雖盒圭靡!墓童遒熬籃苧三量皇鎏塑鎏墼重型塞鎏塞塾墼堡!!絲塞AbstractThethesisfirstprobablyexplainsBrus

2、hLessDirectCurrentMotor(BLDCM)，anddiscussestherelatedcontrolmethods，explainsthebackgroundandMeaningofbackelectromotiveforce(BackEMF)whichisusedinthethesisThenthethesisexpoundsthebasiccomponentparts，thebasicrunningprincip

3、le，therunningcharacteristicandtransferfunctionoftheBLDCMAndthenthethesisdetailedlydissertatesitsresearchpivot：thesimulationofBLDCMsysteminMATLABbasedonthemethodofBackEMFandthecontrolsystemofDigitalSignalProcessor(DSP)bas

4、edonthemethodofBackEMFAboutthesimulationofBLDCMsystem，BasedonthemathematicalmodelofBLDCM，anovelmethodformodelingandsimulationofBLDCMsysteminMatlabhasbeenproposedInMatlab／Simulink，theisolatedfunctionalblocks，suchasBLDCMbl

5、ock，Hysteresiscurrentcontrollerblock，Speedcontrollerblock，ect，havebeenmodeledBytheorganiccombinationoftheseblocks，themodelofBLDCMcanbeestablishedeasilyToguaranteethevalidityandspeedinessinsimulation，theback—EMFisgenerate

6、dusingpieeewiselinearcurvesInthedoubleloopofcontrolsystem，aPIcontrollerisadoptedinthespeedloopandahysteresiscurrentcontrollerisadoptedinthecurrentloopThesimulationresultstestifythereasonabilityandvalidityoftheBackEMF，and

7、alsotestifythevalidityofthemethodformodelingInaddition，themodelcanbeappliedtoverifytherationalityofothercontrolcalculateways，andoffersanewthoughtwayfordesigninganddebuggingactualmotorsAboutthecontrolsystemofDSPthehardwar

8、eandsoftwaredesignofthecontrolsystemisdissertatedindetailThepartofthehardwaredesignfirstexpoundsthewholedesignThenthedesignofseveralprimarycircuitsisdiscussedandchoiceofsomeimportantelectroniccomponentsandtheirparameters

9、inthesecircuitsisanalysedemphaticallyThepartofsoftwaredesignalsofirstexproundsthewholedesignNext，afewprimarysubroutinesareexpatiatedAtlast，the“softwareinplaceofhardware”strategyofthewholecontrolsystemispresentedAfterweap

10、plythedesignschemeofthethesistoaBLDCM，theexperimentalresultsindicatethatthecontrolsystemofDSPcanmakethemotorstartsuccessfullythetimeofstartupislessthan3secondsAndwhat’Smore，thecontrolsystemrealizesthemotor’Scorrectcommut