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1、EUROCON2007TheInternationalConferenceon“ComputerasaTool”Warsaw,September9-12TheTime–MinimalandWithoutOvershootSpeedControlofDCMotorAndrzejAndrzejewskiBialystokTechnicalUniversity,FacultyofElectricalEngineering,Bialystok,Poland,e-mail:a.andrzej@pb.bialystok.plAbstract—Paperconcernsthevariablespe
2、eddrivewithestimatorarereferencemotorcurrent,irefandmotorthenonlinearspeedcontrollerandtheestimatorofthepositionΘ,whilsttheoutputsignalofestimatorare:electromechanicalsubsystem.ThenewspeedcontrollerestimatedloadcurrentiLe,estimatedinertiacoefficientenablesthetimeminimalspeedcontrolwithoutoversh
3、oot.ThenonlinearcharacteristicofspeedcontrollerisderivedkMe/Jeandestimatedspeedωe.Theloadcurrentrepresentswithuseofdynamicprogrammingapproach.TherelativelyloadtorquetL,whilsttheinertiacoefficientrepresentssimplemicroprocessorrealizationofspeedcontrollerismomentofinertiaJandmotorconstantkM.prese
4、nted.FromthelaboratoryinvestigationsresultsthatThespeedcontrollerisusedforobtainingthetimespeedcanbecontrolledwithuseofoneswitchingprocessofminimalspeedcontrolwithoutovershoot.ThespeedconvertersupplyingDCmotorandwithoutovershoot.controllerdoesnotcontaintheintegralelement,becauseKeywords—Variabl
5、espeeddrives,timeoptimalcontrol.thetaskofloadtorquecompensationisfulfilledbythepreciseestimatorofelectromechanicalsubsystem.Thespeedcontrollerisnonlinear.TheshapeofnonlinearI.INTRODUCTIONcharacteristicofcontrolleristheresultoftheuseoftheElectricdrivesareusedinmanyhighqualitydynamicprogrammingap
6、proach[2],[3],[4],[5],[12].applicationssuchas:machinetool,robots,etc.ThereareconstantlyincreasingexpectationsconcerningefficiencyII.THEELECTROMECHANICALSUBSYSTEMESTIMATORofelectricdrives.ElectricdriveoughttoworkasfastasTheelectromechanicalsubsystemestimatorconsistsofpossibleandwithoutovershoot.
7、Thefastoperationisparallelmodeloftheelectromechanicalsubsystem[7],demandedforhigherproductivity,whereasthelackoftheswitchingunit[10],[11],adjustingunit[8],thetimespeedovershootisdemandedforobtainingthelackofconstantswitch[6],filte
