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1、设计题目：工业锅炉微机DDC控制系统AbstractWethistimegraduatetodesignthelessonatinymachineforisindustryboilerDDCcontrolsystem,awholeboilerforasthingstandly,becauseofourcountryproducesthetechniquelevelreturnsthecomparisonfallsbehind,sotheourcountryburnstoprovidehottheburnableefficiencyofaboilerforusingst
2、illverylow,andalsomaketheburnableinsufficiencyoftheburnableboiler,butresultintheairpollutionaggravates,sothisrequesturgentlyourboilertechniquegetstheexaltation.Alongwithsciencetechnicaldevelopcontinuouslypeoplestartmakinguseofeverykindofadvancedinstrumentconstitutingthecalculatorcontrol
3、systemwiththetechniquetothecontroloperationthatreplacetheartificialcomplicacy,directarithmeticfigurecontrolDDCsystem(DirectControl),justoneofthemDirectarithmeticfigurecontrolDDCsystem,itisanindustrytoproduceconvenientandthemostextensiveakindofsysteminsystemofcontrolofcalculatorapplicati
4、onform,inthistypeofcalculatorinthesystem,inadditiontothroughimportationpassagetoseveralindustriesprocessparameterproceedingcruisingtoreturntoexaminationtocollect,itreturnedtoreplacetheemulationregulatestheemulationinthesystemregulatesthespirit,atthesetregulateruleproceedtheintermediatio
5、ncarriestocalculate,thenwillcarrytocalculateresultpassprocessoutputpassageoutputcombinefunctionincarryouttheorganization,torealizemanythepurposethatbacktrackregulate.Thisdesigntheburnablecontroloftheboileristoadoptsadoubleofcrossingtocontrolthesystem,Toingmaintainfitair,fuelspecificvalu
6、easthemeans,frombutguaranteedthehigherandhotefficiencyTooistomakeuseofacontrolformeasuringsmokeoxygeninthewayoxygenwithdealspreadfeelsmachineatanytimemeasuredischargewithdeal,signalatcalculatorhandlesbehind,makeuseofastringclasscontrolsystemproceedregulateairwiththespirit,atthesametimeh
7、ereitwejoiningancontrolsystem,atfuelingdischargewithcalculatoramoldfor,passingtheex-thesignaltothefuelingdischargeadvancingenteringcalculator,frombutpassingcalculatorgrosspiecebuttodischargethatregulatetheair,makeairmaintainedwiththespiritatmatchthedealbest.Weatbeginningthatdes
