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1、Classificationofcontrolsystemstherearethreeways:byautomaticclassificationmethodsinordertoparticipateinthecontrolmodeclassification,toadjustthelawcategory.Onewaytocontrolcategory1,theopen-loopcontrolsystemifthecomputeroutputofopenloopcontrolsystemtoexercisecontrolof
2、theproductionprocess,butthecontrolresults---thestateoftheproductionprocessdoesnotaffectthecomputercontrolsystems,computercontrollerproductionandothersectorsdoesnotconstituteaclosedloop,iscalledopen-loopcontrolsystemcomputer.theproductionprocessofthestateisnofeedb
3、acktothecomputer,butbytheoperatortomonitorthestatusoftheproductionprocess,decisioncontrolprogram,andtellthecomputertocontroltheroleofexercisingcontrol.2,closedloopcontrolsystemcomputertotheproductionofanobjectorprocesscontrol,thestatecandirectlyinfluencetheproducti
4、onprocesscomputercontrolsystem,calledtheclosed-loopcontrolsystemcomputer.Controlofthecomputermonitorintheoperator,theautomaticacceptanceoftheproductionprocessstatetestresults,calculateanddeterminethecontrolscheme,thedirectcommandandcontrolunits(devices)ofaction,the
5、roleofexercisingcontroloftheproductionprocess.Insuchsystems,aircraftcontrolcomponentsundercontrolofcontrolinformationsenttocontroldeviceoperation,theotherrunningequipmentconditionastheoutput,measuredbythedetectionpart,thefeedbackasinputtothecontrolcomputer;tomakeco
6、ntrolComputerControlComponentsproductiontestcomponentsformaclosedloop.Wewillcallthisformofcontrolcomputercontrolclosed-loopcontrol.Closedloopcontrolsystemcomputer,usingamathematicalmodeltosetthevalueoftheproductionprocessandtestresultsofthebestvalueofthedeviatio
7、nbetweenthefeedbackandcontroltheproductionprocesstorunattheirbest.3,linecontrolsystemaslongasthecomputercontrolledproductionofthecontrolledobjectorprocess,toexercisedirectcontrol,withouthumaninterventionarecalledthecontrolcomputeron-linecontrol,oron-linecontrolsyst
8、em.4,offlinecontrolsystemcontrolcomputerdoesnotdirectlyparticipateinthecontrolobjectorthecontrolledproductionprocess.Itonlymanagedtocompletethepr
