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1、钜绊挪芨燹诩撒呓召暮搋Faintnesscontrollerofburningboiler囚墩乍退乾辟唧庑赋迄蝣Thetextwhichstudyseriescoalpowderburningboilerscontrolascheme,presentedheatloadsystemlevelmodulescontrol,andenterthecircuitvaguecourtingsuperiorcontrol,simulationresultsconfirmthefeasibilityofthescheme.糅鄢牧清枪壁卖琳萝瑞减Currently,man
2、ylargedomesticplantshaveadoptedcomputerfirecontrol,andtheeffectisverygood.However,becauseofourelectricenergyisverytense,thereweremanysmallplantsinthepotguardingtheplant,especiallyt-heautomaticcontrolsystemcoalpowderboilers,andhavenotbeenproperlyaddressed.ThereasonisCoalpowderboiler
3、sfactorstobechargedmore,stronginternallink,externaldisturbancesarefrequentandhasdistinctcharacteristicsandnonlinearcharacteristicspurelylagforautomaticcontrolsystemforhighsecurity.Thusthesystemisacategorydifficulttocontrol.Althoughmanysmallpowerplantboilersdesignedconventionalinstr
4、umentationsystem,butdidnotachievethedesiredpurpose,andmoststillusemanualcontrol.Thisisbecauseconventionalinstrumentscanonlyachieveasaltsinkscontrol,notcontrolledprocesschanges,nottheentireboilersystemcoordinationandcontrol.Developmentofthemid-1970s.Toobscurecontroltheory,Coalpowder
5、boilercombustioncontrolsystemhasgoodperformanceandachievegiantburningboilersambiguouscontrolsystem.Boilersoperatingsystemisanimportantwaytoachieveautomation.Modelsteamboilersteamdrumboilercombustionsyst-emsburningpressureisthemaintargetwasthetransferofcontrol,causingsteampressurech
6、angesanumberoffactors,suchasfuelvolume,entervolume,towater,steamflowandthevariouschangesinthenatureburn.Itisthem-aindisturbancefuelvolumechange(knownasthethree),andsteamflowchanges(knownasthethree).Changesinthevolumeoffuel,ignoringsomeminorfactors,thepressuresteamboilerssimilartoth
7、edynamicsofthetarget.BonusPointforinertiallinkswiththechainlink.Fromtheactualprocessgaspr-essureforthetransmissionofacertainlag,thetimelaginnet.Wecanburnbetweenabout1s~2s;mathematicalmodelsforthesystem偷诔心幞隔荷柽笼崤新浇G(S)=P(S)/M(S)=Ke/(TS(TZS+1))(1)幡刿睬蛎欤庋抚哺麸猾辫TypeofP,Tpressuresteam,ando
8、netimeconstants;adelayofon
