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基于自抗扰的空调房间温度控制（英文）.docx

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基于自抗扰的空调房间温度控制（英文） Title:TemperatureControlofAir-conditionedRoomBasedonSelf-DisturbanceRejection Abstract: Airconditioningsystemsarewidelyusedinmodernbuildingsforclimatecontrol,especiallyinareaswithextremeweatherconditions.However,theconventionaltemperaturecontrolmethodstendtobepassiveandreactive,whichmayleadtopoorperformanceintermsofenergyefficiencyandusercomfort.Toaddressthisissue,anoveltemperaturecontrolstrategybasedonself-disturbancerejectionisproposedinthispaper,whichemploysainternalmodelcontrol(IMC)algorithmtoestimateandcompensatethedisturbancescausedbyexternalfactorsandsystemuncertainties. Theproposedstrategyisimplementedandevaluatedinasimulationmodelofanair-conditionedroom,andtheresultsdemonstratethatitcanachievesuperiorperformancecomparedtotheconventionalPIDcontrolmethod,particularlyintermsofdisturbancerejectionandenergyefficiency.Thestudyalsoexaminestheeffectsofdifferentcontrollerparametersanddisturbancemodelsonthecontrolperformance,andprovidesinsightsintothedesignandtuningofIMCcontrollersforairconditioningsystems. Introduction: Airconditioningsystemsareessentialcomponentsofmodernbuildings,providingthermalcomfortandindoorairqualityforoccupants.However,theconventionaltemperaturecontrolmethodssuchasproportional-integral-derivative(PID)controltendtobereactiveandrelyonerrorfeedback,whichmayleadtopoorperformanceundervariousexternaldisturbancesanduncertainties.Inaddition,suchmethodsmayresultinunnecessaryenergyconsumption,especiallyinthecaseofinaccuratelyestimatingtheloaddemandandsystemdynamics. Toaddressthesechallenges,variousadvancedcontrolstrategieshavebeenproposedandappliedinairconditioningsystems,includingmodelpredictivecontrol,adaptivecontrol,andfuzzycontrol.However,thesemethodsmaysufferfromcomplexmodelingrequirements,highcomputationalcomplexity,anddifficultyintuning. Inrecentyears,theconceptofself-disturbancerejectionhasemergedinthefieldofcontrolengineering,whichaimstoestimateandcompensateforthedisturbancescausedbyexternalorinternalfactorsthroughfeedbackco