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1、IEEETRANSACTIONSONCONTROLSYSTEMSTECHNOLOGY,VOL.19,NO.1,JANUARY2011199SupervisoryPredictiveControlofStandaloneWind/SolarEnergyGenerationSystemsWeiQi,JinfengLiu,XianzhongChen,andPanagiotisD.Christofides,Fellow,IEEEAbstract—Thisworkfocusesonthedevelopmento
2、fasupervi-requiresaddressingkeyfundamentalchallengesintheopera-sorymodelpredictivecontrolmethodfortheoptimalmanagementtionandreliabilityofintermittent(variableoutput)renewableandoperationofhybridstandalonewind-solarenergygenerationresourceslikesolar-an
3、dwind-basedenergygenerationsystems.systems.Wedesignthesupervisorycontrolsystemviamodelpre-Specifically,unexpecteddropsinenergyproductionofasolardictivecontrolwhichcomputesthepowerreferencesforthewindandsolarsubsystemsateachsamplingtimewhileminimizingaor
4、windenergysystemmayrequirequickstartunitstocoverthesuitablecostfunction.Thepowerreferencesaresenttotwolocalshortfallwhileunexpectedincreasesrequiretheabilitytoabsorbcontrollerswhichdrivethetwosubsystemstotherequestedpowertheunscheduledgeneration.Oneway
5、todealwiththevariablereferences.Wediscusshowtoincorporatepracticalconsiderations,outputofwindandsolarenergygenerationsystemsisthroughforexample,howtoextendthelifetimeoftheequipmentbyre-theuseofintegratedenergygenerationsystemsusingbothwindducingthepeak
6、valuesofinrushorsurgecurrents,intotheformu-lationofthemodelpredictivecontroloptimizationproblem.Weandphotovoltaicenergy,whicharealsotightlyintegratedwithpresentseveralsimulationcasestudiesthatdemonstratetheap-distributedenergystoragesystems(batteries)a
7、ndcontrollableplicabilityandeffectivenessoftheproposedsupervisorypredictiveenergyloadslike,forexample,awaterproductionsystemthatcontrolarchitecture.operatesatcontrollabletimeintervalstomeetspecificdemand.IndexTerms—Modelpredictivecontrol(MPC),solarenerg
8、y,Withrespecttopreviousresultsoncontrolofwindandsolarstandalonewindandsolarsystems,supervisorypredictivecontrol,systems,mostoftheeffortshavefocusedonstandalonewindorwindenergy.solarsystems.Specifically,thereisasignificantbodyofliter-ature
