基于DSP的直流电机控制系统的研究

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1、武汉理工大学硕士学化沦文ABSTRACTDCmotorhasextensiveapplicationsinindustriaIenvironmentsduetoitsexcellentperformances．Whilethegrowingneedsformotorcontrolperformance．ordinaryMCUdoesn'tmeettherequestmoreandmore．It'sthedevelopmentofDSPtechnologythatprovidesstrongass

2、istancetotheimplementofadVanCedcontrolthespeedtheoryandcomplexcontrolalgorithm．ThiSpaperdiscussestllecontrolcentrelsystemforDCmotor,andsuggestedacentrelschemethatthecontrolleralgorithmappliesNine-PointtoDSP．Inthepap既thedevelopmentofDCmotorcontrolin01

3、11"countryandabroadiSsummarizedfirst．andthecentrelmethodsofDCmotoraswell硒theselectionsoftheDSPWoesInbrief．nlesolutionofdiIgitalcontrolsystemofDCMotorusingTI’s嘲S320LF2407iSpresentedinthisPaDel"．ThiscontrolsystemineludestwoelOSedloops，whicharecurrent10

4、00andvelocityloop．Usually,acontrolsystemconsistsofdisplacementmeasuredevice,controldevice．insulationcircuit．drivemodelandPC．Asonekeypartofthecontrolsystem．thefunctionofcontroldeviceiStOdealwiththedisplacementsignalfromthemotorandtheoutputofcontrolvol

5、tage．Intheareaofhardwaredesign，thesignal—samplingcircuitsofthecurrent，speedarealsodesigned．Thewholesystem’shardwarehasaverycompactstructureandcanoperatewithhighreliability．Inthisthesis，theNine—Pointcontrollertheoryandthecontrolmethodaredetailed，andan

6、alyzedthecontrolledvailableinstallationmethodinthisfoundation,finallybasedonthistheoryitdesignacontrolalgorithmoftheDCmotOr．AsaveryimportantrolefortheaccuratemotionofDCmote．thecontroIsoftwareadoptingsimultaneouslytheCandassemblelanguage,thesoftwarede

7、velopmentiSbasedontheCC$2000integrateddevelopment．11lesystemsoftwareinvolvesmainprogrammodule，Initializationsubprogrammodule，interruptserviceroutinemodule．Hereinto．mainprogrammodulemostlyincludekeyboardSCanmoduleanddisplaymodule．ISRmoduleincludesA／Ds

8、amplingmodule,QEP,controlarithmeticmodule．PWMoutputandSPImodule．Inthescherae，it'sadoptedt11atnine-Pointcontrolleralgorithminvelocityloopandeun'entloop．ThesystemintroducedthedesignproceduresoftheNine-Pointcontrollerfinally,andhavingappliedtOthedouble-