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1、1AircraftACGenerators:HybridSystemModelingandSimulationAshrafTantawy,StudentMember,IEEE,XenofonKoutsoukos,SeniorMember,IEEE,andGautamBiswas,SeniorMember,IEEEAbstract—IntegratedDriveGenerators(IDGs)arethemainThetraditionalwayofanalyzingswitchingcircuitsreliesonsourceofelectricalpowerforanumbe
2、rofcriticalsystemsinaveragingordiscretizationtechniquestomakeanalysisoftheaircraft.Fastandaccuratefaultdetectionandisolationisacircuitmoretractable[15].Inthispaper,weemployhybridnecessarycomponentforsafeandreliableoperationoftheIDGmodeling[2],whichcombinestheuseofdiscreteandcontinu-andtheair
3、craft.IDGsarecomplexsystems,andamajorityoftheexistingfaultdetectionandisolationtechniquesarebasedonousbehaviorstodevelopahybridmodelforthebrushlessACsignalanalysisandheuristicmethodsderivedfromexperience.generatorthataccuratelycapturesthesystemdynamics.TheModel-basedfaultdiagnosistechniquesa
4、rehypothesizedtobemodelisusedtosimulatethemachinebehaviorunderbothmoregeneralandpowerfulindesigningdetectionandisolationnormalandfaultyconditions.Weexplicitlymodeltheexciterschemes,butbuildingsuf?cientlyaccuratemodelsofcomplexandmaingeneratorsusingthephase-domainrepresentation,IDGsisadif?cul
5、ttask.dq0modelshavebeendevelopedfordesignandcontrolofgenerators,butthesemodelsarenotsuitableratherthanthedq0domainrepresentation.dq0modelingisforfaultsituations,wherethegeneratormaybecomeunbalanced.usefulfordesigninganddevelopingcontrollersfornominalInthispaper,wepresentahybridphase-domainmo
6、delforthegeneratorbehavior[1],[9],whilephasedomainrepresenta-aircraftgeneratorthataccuratelyrepresentsbothnominalandtionsfacilitatethesimulationofawidevarietyoftransientparametricfaultybehaviors.Wepresentthedetailsofthehybridphenomenainthemachine,andthispermitsthegeneratortomodelingapproacha
7、ndsimulationresultsofnominaloperationandfaultbehaviorsassociatedwithparametricfaultsinthebeemployedinavarietyofdifferentloadcon?gurations.aircraftgenerator.Thesimulationresultsshowthatthedevelopedmodeliscapableofaccuratelycapturingthegeneratordynam
