文献翻译开发一个混合的可编程的逻辑控制器成为一个柔性加工系统平台.docx

文献翻译开发一个混合的可编程的逻辑控制器成为一个柔性加工系统平台.docx

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文献翻译开发一个混合的可编程的逻辑控制器成为一个柔性加工系统平台

翻译部分

DevelopingaHybridProgrammableLogicControllerPlatformforaFlexibleManufacturingSystem

KENVINJ.MCDERMOTTANDWENLONGALBERTYAO

NewJerseyInstituteofTechnology,Newark,NJ07102

Abstract

inthisarticle,weactaccordingtotheprogrammablelogicalcontrolelectriccircuitandthepersonalcomputerbasedon（personalcomputermachine）visualperson-machineconnection（MMI）andthedatacollection（directaction）theunit,designsandcarriesoutanimbleprocessingsystem（flexibleprocessingsystem）theimplementationtocontroltheplatform.Theflexibleprocessingsystem'sessentialaspectliesinittoadaptintheoperatingprocessflexibility.Theprogrammablecontrollerprovidesthefeasiblesolutionflexibilityprocessingsystemapplicationthemethod,usesbasedonpersonalcomputer'sMMI/DAS,reliesontheprogrammablelogicalcontrollertoapplyrapidlyintheexecutionsequencecontrolpolicy.WithmanagesfrontendMMI/DASthepersonalcomputermachinetomakethevisualoperationcontactsurface,fillsthepowerfulgraphandthereporttool.Mayorusesfrompersonalcomputer'sinformationbyacompany'slocalareanetworktheclient-servertechnologytoassign.Atpresent,becausehasforthemicrocomputertechnologyandsoftwareprogrammingtechnologyfoundationgathering,manyuserswilldiscoverthattheprogrammablelogicalcontrollerwillbeonesavesthecostinthemiddleandsmallscalefactoryreal-timecontrolprocessthemethod,whenparticularlytheusemixingmethodwillsupervisepersonalcomputer'stime.Thisarticle'smaingoalliesinthecertificateprogrammablelogiccontrollertorapidandtherepeatedcontroldutysensitivity,andtousethepersonalcomputermachinetoprovidetheinformationautomationtheflowingandtoaccepttheoperatortooperatetheintention,therefore,isalsoprovidesfortheuseralongwiththerequestchange,butchangesunceasinglyamonitoringprocesstool.

1.Introduced

Thatinmanykindsofproductmanufacturingindustries,theproductionautomation'sformisalsoflexibleprocessingsystem（FMS）firstproposedinthe1970s.Afterflexibleprocessingsystem'sappearanceenhancementlaborproductivity,flexibleprocessingsystem'squantitylargescalegrowth（GruverandZimmers1984）.Theentireworldasaresultofglobalcompetition'senhancement,theproductioncyclereducesgradually,andtheproductioncostincreasesdaybydayusual,theflexibleprocessingsystemiscomposedofgroupofmachinesoranotherautomatedworkstation,formsstandardizedthesubsystem,forexamplenumericalcontrolmachiningcenter,robot,visionsystemandaprocessstationandsoon.Andthismaterialhandlingsysteminterconnectionusually（Malek1991）actuatesthroughacomputer.Eachstandardization'ssystemneedsastandardizedthecontrolsystem,itsdifferentsparepartbysinglecontroller.Allstandardization'ssubsystemlookedlikeinthepastequallybythecomputercontrol.Thesecontrollerscarryouttheirtaskunderahigherhorizontalcontroller'ssurveillance.Tothesystem,twocontroldevicesandtheinformationflowneedstoautomate.Theflexibleprocessingsystem'sessentialaspectliesinitsabilitytochangealongwiththecontrolduty.Thisflexibilitycanproducethecomponentstypeincludingitquantityandthetype,theexecutivecommand,aswellasimprovesthepartialroutestoflowability.Finally,thecontrolplatformshouldhaveabilitytocausetheinformationflowingautomation。

Usually,some3kindofcontrolplatformusesintheflexibleprocessingsystem:

Minicomputer,miniatureelectronicaccountingmachineandprogrammablelogicalcontroller（Malek1991）.Theminicomputerisverysuitablecomplex,large-scale,continual,rulesandregulationscontrolapplication.Theprogrammablelogicalcontrollerusesinrapidandtherepeatedlogicalcontrol.Thepersonalcomputer（personalcomputer）issuitablefortheman-machineinterfacefunction.First,theprogrammablelogicalcontrollerreplacerelay,forintheindustryenvironmentinlandtransportationextension,itmayeasilybyworkshopengineerandtheattendants,isservicedbythefactoryelectrician.Atpresent,becausehasthemicrocomputertechnologyandsoftwareprogrammingtechnologyfoundationgathering,manyuserswilldiscoverthattheprogrammablelogicalcontrollerwillapplyinthemiddleandsmallscalefactoryreal-timecontrolprocessissavesthecostmethod,whenparticularlytheusemixingmethodwillsupervise.

Thisarticle'sgoalliesintheprocessingflexibilityprocessingsystem'smodernizedtechnology.Proposedthatthedesignandthedata-acquisitionsystemdirectactiontheflexibleprocessingsystemwhichandthepersonalcomputercontrolsfortheprogrammablelogicalcontrollerbasedonthevisualperson-machineconnection（MMI）construction.Itsstructureisasfollows:

Thefirst2partsstartfromtheflexibleprocessingsystem'sdescriptiontointroduceintheNewJerseyengineeringinstitute（NJIT）factorycenterlevelmanufacturesystem.3rdpartofdescriptionflexibilityprocessingsystem'soperation.4partsand5partsdemonstratedisthepresentprogrammablelogicalcontrollercontrolandthepersonalcomputergivestheflexibleprocessingsystemaccordingtoMMI/DASintheNJITapplication.6partscontainthisprogrammablelogicalcontrollercontrolandthepersonalcomputertheflexibleprocessingsystemapplicationsuperiorityaccordingtoMMI/DAStheoutline

2.Flexibleprocessingsystem'sdescription1.Oneaboutflexibleprocessingsystemdevelopment'sviewpointasshowninFigure.Itiscomposedofthefollowingseveralparts:

（MacandKamisetty1991;Mat,1987）.theS1processingtransmissionsystemitiscomposedof4vehicles,A,B,CandD,thefixedequipmentinstallsaboveeach,toeachworkstationtransportation'stwoshifttable,TT,TT2anddoublefeedwaymaterial.

ProcessessystemtodevelopamixnimblyprogrammablelogicalcontrollerplatformtheNASA11numericalcontrolmillingmachines,themillingmachinemakeseachdifferentpartaccordingtothecomputercontrol.GeneralElectricCompanyP50.Asharingrobotusesfortoloadandunloadaswellasdeliversinthenumericalcontrolmillingmachineandbetweenthetransportingstandsandtransports.Itcontains5computerprogramswhichassignsbytheprogrammablelogicalcontroller.Thecomputerprogramcontrolrobotloadingplacesdeliversbetweenthesystemandthecaraswellasthenumerically-controlledmachinetoolandcar'smaterial.Finallytwoproceduresareacceptingortherejectioncomponentscomplete.Thepartdeliversstandsthisstationincludingagravityslantingslot,providestheunfinishedrawmaterial.Thisstationalsocontainstwotypewarehousesoneacceptscomponentsrejectioncomponentscomputervisionsystem.Thevisionsystemprovidesthevisibleself-supervisorypart.Itisthemenuactuation,64stepdensitystepsedgedetectionsystem.DrillholemachinehastheautomaticdrillholefunctionIBM7535industryrobotinbrief,theflexibleprocessingsystemhastwokindofrobots;first,thenumericalcontrolmillingmachine,anotheristhematerialshiftexpulsionsystem,supervisesincludingthevanandthelimitswitchandbyGeneralElectric'ssixprogrammablelogicalcontroller,bybasedonpersonalcomputer'smachinevisualMMI/DASmonitoringvisionsystem.

3.operationdescriptiontheflexibilityprocessingsystem'sactioncyclecarriesonbythefollowingway:

（1）Atfirst,transportingsystem'sallfourvansarespatialmayuseforrawmaterialtoinstalltodeliverthestation.the.

（2）GErobotwillputoneaftertheotherthesefourpartswasswindledwhenthesefourvehiclelayingasidematerialtothesefourvanstheyalongtheclockwisemigration.Abovefirststepandthesecondstepistheflexibleprocessingsystem'sloadingpart.（3）chart2demonstrationisonceafterthesefourdifferentpartsareloadedthepositionwhichisacceptedbyfourvans.（4）thevanstopswhenthedrillholemachine,theIBMrobotdrillsvariousholesonthedifferentsurface.（5）GErobottransferstothevan,movesoncemorecomponentsvehicleontoXposition,andloadsintoitlocatedatonthenumericalcontrolmachinetable'sfixedequipment.（6）thesparepartisinstalledonthenumericalcontrolmillingmachine,theserobotswithdraw,millingmachinemillingtheserequestpart.（7）millingfinished,themachinistmovedfromthemillingmachinefixesonmillingmachine'ssparepart.（8）therobotplacestheendproductontheidenticaltransportvehicle.（9）signaltransmitstothevisiblephotographyexaminationpart.（10）Thesignaldirectionrobotacceptsthecomponentsortherejectioncomponentssignal.（11）Robotmovesareceiveprocedure,andthelayingasidecomponentsormovearejectionprocedureinareceivevesseltolayasidethecomponentsinarejectionvessel.（12）Robottothecomponentsstands,andloadsintonewcomponentsthevehicle.Vehicleisissuedthesystem,nextcirculationstartstep3arrive13step.（13）stepsformsaflexibleprocessingsystem'soperatingcycle.

4.usestheprogrammablelogicalcontrollertocontrolsetofflexibleprocessingsystemtheflexibilityprocessingsystemscontrolsystem'simportantcharacteristictobeasfollows:

Becausesystem'strapezoidalchartlogiccapabilitysystemeasytoform,andcanadaptthechange;Bythesimilarway,thesystemisrelativelyeasytotheprocedureandthematerial;Thesystemeasymaintains,andoverhaulsreduces,becausetheonlinediagnosismayprovideandpointoutthequestionthenreductionserviceaccurately;Obviously,thesystemiseasyandcomputerconnection.Theprogrammablelogiccontrollerwidelyusesamulti-purposeindustrialusedcomputerintheindustrialda