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1、ProceedingsoftheASME2010DynamicSystemsandControlConferenceDSCC2010September12-15,2010,Cambridge,Massachusetts,USADSCC2010-4112WINDTURBINEPOWERCAPTURECONTROLWITHROBUSTESTIMATIONTonyHawkinsWarrenN.WhiteMechanicalandNuclearEngineeringMechanicalandNuclearEngineeringKansasStateUnivers
2、ityKansasStateUniversityManhattan,KS66506Manhattan,KS66506gah8833@ksu.eduwnw@ksu.eduGuoqiangHuFaryadDarabiSahnehMechanicalandNuclearEngineeringMechanicalandNuclearEngineeringKansasStateUniversityKansasStateUniversityManhattan,KS66506Manhattan,KS66506gqhu@ksu.edufaryad@ksu.eduABST
3、RACTαControlGainArobustcontrolschemetooptimizethepowercaptureofawindturbineisproposed.AnovelidentificationtechniqueisβBladePitchangle–degreesusedbothtoestimatetheunknownaerodynamicpropertiesandβdDesiredBladePitch–degreestoregulatetheturbinespeed.ALyapunov-basedapproachisβ*Optimal
4、BladePitch–degreesadoptedtochoosethesetpointchangedirectionsothatpowerβcControlGaincapturecanbemaximizedforthegivenwindspeedandenvironmentalparameters.ThesetpointconsistsoftheturbineγβBladePitchAdaptationConstant–dimensionlesstipspeedratioandtheturbinebladepitch.Theefficacyoftheγ
5、λTipSpeedAdaptationConstant–dimensionlesscontrollerisdemonstratedthroughsimulation.λTip-SpeedRatio–dimensionlessλdDesiredTip-SpeedRatio–dimensionlessNOMENCLATURE3ρAirdensity–kg/m2ARotorSweptArea–mτaeroAerodynamicTorque-N?m2CDDampingCoefficient-kg?m/sτcGenerator(control)torque-N?m
6、CpRotorPowerCoefficient–dimensionlessωAngularShaftVelocity–rad/s*CpOptimalPowerCoefficient–dimensionlessω*OptimalAngularVelocity–rad/s2JRotorInertia–kg?mωdDesiredAngularVelocity–rad/sNControllerAuxiliaryTermPaeroPowerCapturedbyRotor-N?m/sPavailPoweravailablefromwind-N?m/sI.INTROD
7、UCTIONWindturbinesaremachinesthatprovidetheenergyRSweptAreaRadius–mindustrywithacleanalternativetoburningfossilfuelsintheeControllerErrorSignal–rad/secgenerationofelectricpower.Theimplementationofwind??EstimationofAerodynamicTorque-N?mturbineshasincreaseddrasticallythroughoutthep
8、astdecade.Thishasdrivenresearcherstoexam
