简介:Thispaperproposesadecentralizedoutputfeedbackcontrolschemeappliedtotwo-areainterconnectedpowersystem.ThecontrollersynthesisproblemisformulatedasthescaledH∞controlproblemandanewLMI-basedalgorithmisproposedtocomputethedecentralizedcontroller.TheproposedcontrollerprovidesrobustnesswithregardtoparametricuncertaintiesandalsoattenuatesboundedexogenousdisturbancesinthesenseofL2-gain.Simulationresultsclearlyshowtheeffectivenessofdevelopeddecentralizedoutputfeedbackcontrolscheme.
简介:Thispaperdealswiththedesignofanoutputfeedbackpredictivecontrollerforinductionmotors.Thefundamentalinterestoftheproposedcontrolleristhecapabilityofdecouplingthemechanicalspeedandtherotorfluxes,withoutdegradationagainstthevariationofrotorresistanceandloadtorque.Hence,thecontributionistoapplytwoestimationproceduresinordertoachievethisgoal.Namely,anunknowninputobserver(UIO)isusedfortheconstanttimeestimationwhereasaheuristicsolutionisexploitedfortheloadtorqueupdate.Moreover,rotorfluxcomponentsarerecoveredasanunavailablestateofthesystem.Effectivenessoftheproposedobserversandtheperformanceofthecontrollerareconfirmedbysimulationresults.