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1、附录2StudyandDesignnoAutomationControlSystemoftheThermalPowerUnitfromtheSystemPointofview.TianJianyanliusifengPanlizhen（1.NanjingUniversityofAeronauticsandAstronautics,Nanjing210016China)（2.TaiyuanUniversityofTechnology,Taiyuan030024China)Abstract:Fromthesystempo
2、intofview,thefeatureofthethermalpowerunitandthedemandonitscontrolsystemareanalyzedandresearchindetailsinthispaper.Thecharacterthattheboilsandthesteamturbineareawholeofrelativeindependenceisfullyconsidered.Bycoordinatecontrol,thepurposeoftheoptimalwholeoperating
3、effectofthesystemisrealizeadoptingthekeytechniquesofcommunication,computerandintelligentinformationprocessetc....Theadaptationandwholepropertyofthesystemisemergedbyinteractionandcoordinationbetweensubsystems.1IntroductionThesystemisanorganicwholecertainstructur
4、eandfunction,whichconsistsofseveralelementwithinterrelation,interdependenceandinterplay.Thethermalpowerunitisatypicalsystem,composedofgenerator,steamturbine,boilerandmanyanxiliaryequipment.Itsmainfunctionistoproducethepowerloadaccordingtopowernetworkrequirement
5、.Systemengineeringisthescienceusedtostudyanddesignthecomplexsystem.Inthemeantime,Itisalsothetheoryandmethodusedtodealwithsystemsintermofdefiniteaiminordertoachievetheoptimalwholeofthesystem.Fromthesystempointofview,thecoordinatecontrolsystemofthethermalpoweruni
6、thasbeenstudiedanddesignedinthispaper.2StudyandDesignonAutomationControlSystemoftheThermalPowerunitfromtheSystemPointofView2.1FunctionofAutomationControlSystemofthePowerunitAtfirstthethermalpowerunitasthecontrolledobjectisdeeplystudiedbeforeitsautomationcontrol
7、systemisstudiedanddesigned.Thethermalpowerunitisahugegroupofequipments,whichiscomposedofgenerator,,steamturbine,boilerandmanyauxiliaryequipments.Itsprocessflowiscomplexandpipelinesintervenient.Especiallythelarge-scalepowerunitisatypicalcoupling,nonlinear,varyin
8、gcomplexcontrolledobjectwithmulti-inputandmulti-output.Thousandsofparametersaremeasured,operatedandcontrolled.Thecharacterofobjectischangefulbecauseofmanydifferentoperatingm
