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1、附录2StudyandDesignnoAutomationControlSystemoftheThermalPowerUnitfromtheSystemPointofview.TianJianyanliusifengPanlizhen(1.NanjingUniversityofAeronauticsandAstronautics,Nanjing210016China)(2.TaiyuanUniversityofTechnology,Taiyuan030024China)Abstract:Fromthesy
2、stempointofview,thefeatureofthethermalpowerunitandthedemandonitscontrolsystemareanalyzedandresearchindetailsinthispaper.Thecharacterthattheboilsandthesteamturbineareawholeofrelativeindependenceisfullyconsidered.Bycoordinatecontrol,thepurposeoftheoptimalwh
3、oleoperatingeffectofthesystemisrealizeadoptingthekeytechniquesofcommunication,computerandintelligentinformationprocessetc....Theadaptationandwholepropertyofthesystemisemergedbyinteractionandcoordinationbetweensubsystems.1IntroductionThesystemisanorganicwh
4、olecertainstructureandfunction,whichconsistsofseveralelementwithinterrelation,interdependenceandinterplay.Thethermalpowerunitisatypicalsystem,composedofgenerator,steamturbine,boilerandmanyanxiliaryequipment.Itsmainfunctionistoproducethepowerloadaccordingt
5、opowernetworkrequirement.Systemengineeringisthescienceusedtostudyanddesignthecomplexsystem.Inthemeantime,Itisalsothetheoryandmethodusedtodealwithsystemsintermofdefiniteaiminordertoachievetheoptimalwholeofthesystem.Fromthesystempointofview,thecoordinatecon
6、trolsystemofthethermalpowerunithasbeenstudiedanddesignedinthispaper.2StudyandDesignonAutomationControlSystemoftheThermalPowerunitfromtheSystemPointofView2.1FunctionofAutomationControlSystemofthePowerunitAtfirstthethermalpowerunitasthecontrolledobjectisdee
7、plystudiedbeforeitsautomationcontrolsystemisstudiedanddesigned.Thethermalpowerunitisahugegroupofequipments,whichiscomposedofgenerator,,steamturbine,boilerandmanyauxiliaryequipments.Itsprocessflowiscomplexandpipelinesintervenient.Especiallythelarge-scalepo
8、werunitisatypicalcoupling,nonlinear,varyingcomplexcontrolledobjectwithmulti-inputandmulti-output.Thousandsofparametersaremeasured,operatedandcontrolled.Thecharacterofobjectischangefulbecauseofmanydifferentoperatingm