外文翻译—基于PLC的感应电动机监控系统设计与实现 英文版.doc外文翻译—基于PLC的感应电动机监控系统设计与实现 英文版.doc

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1MICROCOMPONENTTHICKNESSCOMPREHENSIVEDETECTINGPLAINTESTCONTROLSYSTEMDESIGNINGZHENWEIDUANYANHUALIDENRENKONGCHANG’ANDIDEPARTMENTOFPRECISIONINSTRUMENTOFSCHOOLOFMECHANICALENGINEERINGINNUST,NANJING,210094PHONE08602584315471EMAILWILLENDZW163COMABSTRACTTHISARTICLEINTRODUCESTHEOVERALLPLANOFTHETESTINGCONTROLLINGSYSTEMOFTHEPLATFORMFORTESTINGTHETHICKNESSOFTHEMICROCOMPONENT,THEWORKINGPRINCIPLEANDTHEDESIGNMETHODITINTRODUCESTHEDRIVINGSYSTEM,CONTROLLEDBYTHEPLCPROGRAMMEDCONTROLLINGSTEPMOTOR,TOACCOMPLISHTHETESTINGOFMICROCOMPONENTINTHEFORMOFPRODUCTIONCHAINITINTRODUCESTHECOMMUNICATIONANDCONTROLMETHODBETWEENTHETHICKNESSTESTINGSENSORANDPCITDISCUSSESHOWCANTHEPLCCONTROLLINGMICROCOMPONENTMATERIALDISTRIBUTIONMACHINEACCOMPLISHESDISTRIBUTIONTASK,WHENGETTINGSORTSIGNALSFORMPCITDISCUSSESTHEREALIZATIONMETHOD,INWHICHALLKINDOFSTATUSINOPERATINGPROCESSCANBETESTEDANDTHEFAULTCANBETOLERATEDTHISSYSTEMWASDEBUGGEDININDUSTRIALLOCATIONANDITSFEASIBILITYWASPROVEDWELLKEYWORDSMICROCOMPONENT,DETECTING,CLASSIFICATIONAUTOMATIZATION,MANIPULATEMICROCOMPONENTISACRITICALUNITINAIRCONDITIONANDAIRCOMPRESSOR,WHOSEGEOMETRYDIMENSION,SURFACEROUGHNESS,MARGINTOLERANCEETCDEEPLYEFFECTSTHEREFRIGERATIONANDCALEFACTIONOFTHEMACTUALLYASTHEDEMANDOFAIRCONDITIONANDAIRCOMPRESSORAREMOREANDMOREVAST,THEDEMANDOFMICROCOMPONENTISMOREANDMOREVASTTOOANDTHEDEGREEOFACCURACYOFMICROCOMPONENTISMOREANDMOREHIGHERNOWAFTERTHEMICROCOMPONENTWASMACHININGEDANDPRODUCTED,WHICHWASMAINLYDETECTEDMANUALLY,THEVERIFICATIONBECAMEWHERETHESHOEPINCHESTHETRADITIONALVERIFICATIONMETHODHASTHEPROBLEMOFSLOWVELOCITY,LOWEFFICIENCYANDMANINDUCEDFACTOREFFECTSOWEDEVELOPEDTHISMICROCOMPONENTTHICKNESSCOMPREHENSIVEDETECTINGPLAINTHEPROGRAMMABLELOGICCONTROLLEROFS7200CATENA,WHICHISMADEBYTHESIEMENSANDTHEINDUSTRIALCONTROLCOMPUTERARETHENUCLEUSOFTHISTOPICWECOMBINATIONTHEDEEPLYACTIVATIONCAPABILITY,THEHIGHRELIABILITY,THESUPERIORPROPORTIONALINYAMONGTHEPERFORMANCEANDTHECOST,THEEXPEDIENTAPPLICATIONOFTHEPROGRAMMABLELOGICCONTROLLERWITHTHEDEEPLYDATAPROCESSINGCAPABILITY,THEAMICABLERELATIONAMONGMANANDCOMPUTER,THEHIGHADMINISTRATIONHORIZONTALOFTHEINDUSTRIALCONTROLCOMPUTER,THENWEDEVELOPTHISMICROCOMPONENTTHICKNESSCOMPREHENSIVEDETECTINGPLAINTESTCONTROLSYSTEMWEACHIEVETHEAUTOMATIZATIONOFTHEEXAMINATIONOFTHEMICROCOMPONENTTHICKNESSANDTHEEXCLUSIVECLASSIFICATIONPROCESS,ANDENHANCETHELEVELOFAUTOMATIZATION,GETTOGETHERONBETTERECONOMICEFFECTITHEDESIGNOFTHEMICROCOMPONENTTHICKNESSCOMPREHENSIVEDETECTINGPLAINTHEMICROCOMPONENTTHICKNESSCOMPREHENSIVEDETECTINGPLAINISMADEUPOFTHEDRIVINGANDMEASUREMENTMECHANICS,THECLASSIFICATIONMECHANICSANDTHECONTROLSECTIONINAGENERALWAY,THECONCENTRATEDANDDECENTRALIZEDSYSTEMCANBEFALLENINTOTHREETIERSTHETOPISMANAGEMENTWHOMANAGESTHEWHOLESYSTEM;THEMIDDLEISCONCENTRATEDSUPERVISORYWHOMONITOR,CONTROLANDDEPLOYTHEWHOLESYSTEM;THEBOTTOMISDECENTRALIZEDIMPLEMENTATION,WHOSETASKISCONTROLTHELOCALSYSTEMINTHESYSTEM,THEINDUSTRIALCONTROLCOMPUTERUNDERTAKESTHETASKBELONGINGTOTHETOPANDMIDDLEASSUPERVISORYMANAGEMENT;PLCUNDERTAKESTHEBOTTOMTASKASCONTROLIMPLEMENTATIONTIER2THEINDUSTRIALCONTROLCOMPUTERTRANSFERSTHEMANAGEMENTDECISION,CONTROLTASK,CONTROLPARAMETERANDDEPLOYDICTATIONTOTHECONTROLTIERPLCBYCOMMUNICATIONCABLE,PLCTRANSFERSTHEPARAMETER,PROCESSCONTROLANDDATATOTHEMANAGEMENTTIERBYCOMMUNICATIONCABLETHEFUNCTIONFLOWCHARTOFWHOLESYSTEMISASFIG12FIG1THEOVERALLSTRUCTUREOFTHESYSTEMATHEAUTOMATEDDETECTINGPLAINTHEAUTOMATEDDETECTINGPLAINISMADEUPOFMEASUREMENTPLAINANDTHEDRIVINGMECHANISMMEASUREMENTPLAINISTHEBASICREFERENCEOFTHEMICROCOMPONENTSGEOMETRICALPARAMETER,WHOSEDEGREEOFACCURACYISHIGHERTHANTHATOFTHEMICROCOMPONENTDURINGTHEMEASUREMENTPROCESS,THEMICROCOMPONENTSLIDESWITHSURFACEOFTHEOPERATINGBOARDINORDERTOGUARANTEETHESTATIONARITYDURINGTHEDRIVINGPROCESS,ANDESCHEWTOLEADINTHEADDITIVELAPSETOENGENDERTHEDEFORMATIONBECAUSEOFTHESHOCKOFTHEDRIVINGMECHANICS,THEDRIVINGMECHANICSEXPLOITSTHEDESIGNINGOFFISSIONCONSTITUTIONALFORMULATODISBRANCHTHEMEASUREMENTPLAINANDTHEDRIVINGMECHANICS,THENDESCENDTHEINFLUENCEOFTHEDRIVINGMECHANICSBYALONGWAYWENEEDTOMEASUREFIVEDOTSONTHEDIAGONALOFEVERYSURFACEITCANBETAKENINTOONEDOTINTHECROSSOVERINTHISWAY,THEMICROCOMPONENTNOTONLYROTATES90DEGREE,BUTALSOROLLSOVER180DEGREEONTHEPIPLELINEBYPROTRACTINGFAVOURABLEBANDYONTHEMEASUREMENTPLAIN,WECANMAKETHEMICROCOMPONENTROTATEFAVOURABLEANGULARDEGREEACCORDINGTOTHEPRIMARYLOCUS,ANDTOREALIZETHETURNINGOFTHEMICROCOMPONENTBYDESIGNINGTHESPATIALTEXTUREOFTHEINDUSTRYCHAINBCLASSIFICATIONORGANTHEMICROCOMPONENTISTRANSFERREDTOTHECLASSIFICATIONORGANDOWNTHESLIPWAYTHECLASSIFICATIONORGANCLASSIFIESTHEMICROCOMPONENTBYVIRTUEOFCONTROLLINGSTEPPERMOTORTOROTATEHOMOLOGOUSANGULARDEGREEWHENTHEPLCACCEPTINGCLASSIFICATIONINFORMATIONTHEPLCCONTROLSTHESTEPPMOTORINTHEWAYOFPTOPTOMODECANEXPORTMUCHIMPULSETRAIN,ANDENABLEIMPULSETRAINTOQUEUETOESTABLISHCONDUITLINEITCANBECLASSIFIEDTWOENOMINATIONSINCLUDINGSINGLECONDUITLINEANDMULTIPLECONDUITLINE1THISSYSTEMADOPTSTHEMULTIPLECONDUITLINE,ANDESTABLISHSTHELISTINVARIABLEMEMORYBLOCKTOCONTROLPERIODICTIMEOFOUTPUTIMPULSEANDPULSENUMBER,THENACHIEVESTOCONTROLTHESTEPPERMOTORRATEANDANGULARDEGREEEXACTLYTHEPLCRECKONSHETEROGENEOUSCONDITIONSBYINDUCTIVESWITCHINTHECLASSIFICATIONPROCESSFORINSTANCE,THEARRIVALSIGNAL,THEALIGNSIGNAL,THECLASSIFICATIONCOMPLETIONSIGNALIFTHEPLCDISCOVERSFALSECONDITION,ITWILLDELIVERHOMOLOGOUSALARMSIGNALTOTHEINDUSTRIALCONTROLCOMPUTER,THENTHEOPERATINGFORCECANELIMINATETHEBUGCTHECONTROLSECTIONTHEPLCISTHENUCLEUSOFTHECONTROLSECTION,WHICHCARRIEDOUTTHECOMMANDOFTHEINDUSTRYCONTROLCOMPUTERBYTHECOMMUNICATIONOFTHEMWHENTHEINDUSTRIALCONTROLCOMPUTERINTERFACESWITHPLC,BECAUSEPLCEXPLOITSSTANDARDRS485,WHICHISNOTCOMPATIBLEWITHTHEINDUSTRIALCONTROLCOMPUTERRS232,WEMUSTSWITCHOVERBYPC/PPICOMMUNICATIONCABLE2THEINDUSTRIALCONTROLCOMPUTERISTHEADMINISTRATOROFALLTHESYSTEM,ITCONTROLSTHESENSORTOMEASURESTHEGEOMETRICALPARAMETEROFTHEMICROCOMPONENTONTHEINDUSTRYCHAIN,ANDCALCULATESTOGETTHECLASSIFICATIONINFORMATIONOFTHEMICROCOMPONENTTHEPLCISTHEMANIPULATIVENUCLEUSOFALLTHESYSTEM,ITCOMPLETESTHEFACILITYWHICHINCLUDESTHEACTIVATIONGOVERNING,THECONDITIONSENSE,THEIMPLEMENTATIONOFTHEDICTATIONANDSOONTHEPLCCONTROLSTHEPERFORMANCEOFTHECLASSIFICATIONMECHANICSANDTHEDRIVINGMECHANICSBYACCEPTINGTHEINFORMATIONOFTHEINDUSTRIALCONTROLCOMPUTERIITHEDESIGNOFTHECONTROLSYSTEMATHECONTROLDEMANDOFTHESYSTEMINORDERTOACCOMPLISHTHEDETECTING,TRANSMISSIONANDCLASSIFICATIONOFTHEMICROCOMPONENT,THESYSTEMWASDEMANDEDTOACCOMPLISHTHEFUNCTIONSASFOLLOW1CANACCOMPLISHTHESTEADYTRANSMISSIONOFTHEMICROCOMPONENTININDUSTRYCHAINANDENSURETHEQUEUEOFTHEMICROCOMPONENT,WHICHWASFORMEDBYENTRYORDEROFTHECHAIN,WASORDERLINESSANDSORTCONTROLSIGNALSENSORSIGNALPTOOUTPUTDRIVECONTROLCONTROLSIGNALMEASUREMENTPLAINPLCRS485INDUSTRYCONTROLCOMPUTERRS232SORTCONTROLSYSTEMPC/PPIMOTOR1MTOR2STATUSSIGNALSTATUSSIGNAL3INTEGRALITY2THESPEEDOFFORMERDRIVINGORGANMUSTBENOTFASTERTHANTHELATERCLASSIFICATIONORGAN,ANDATTHELEASTENSUREWHENTHECLASSIFICATIONORGANDIDN’TACCOMPLISHEDTHECLASSIFICATION,THEREISNOMICROCOMPONENTENTRYTHECLASSIFICATIONORGAN3ENSURETHECLASSIFICATIONORGANCANAUTORESETWHENTHESTEPMOTORWASOUTOFSTEP4WHENNOTONLYONEMICROCOMPONENTENTRYTHECLASSIFICATIONORGAN,THEWORKERWILLBETOLDTHESYSTEMWASINTROUBLEINTHEMEANTIMETHEMOTORCANBEESTIMATEDWHETHERITWORKSWELLANDTHEANGULARDISPLACEMENTOUTPUTISCORRECT5THESYSTEMMUSTHAVECERTAINFAULTTOLERANTCAPACITY,WHENITOCCURSCOMMONERRORS,THESYSTEMCANREHABILITATEBYITSELFBUTWHENTHEFATALERRORWASOCCURRED,THESYSTEMCANCLEWTHEPOSSIBLESORTORAPPROXIMATELYORIENTATIONBTHEWORKPRINCIPLEOFCONTROLSYSTEMTHECONTROLSYSTEMISMAINLYMADEUPOFMOTORDRIVINGSECTION,COMMUNICATIONSECTION,STATUSDETECTINGSECTIONANDALARMSECTIONEVERYSECTIONDEFINEDINTHEOUTPUTANDINPUTOFPLCASFIG2FIG2THECONTROLSYSTEM1STEPMOTORANDDRIVINGSECTIONTHESTEPMOTORISEXECUTECOMPONENTWHICHCONVERTSTHEELECTRICPULSEOUTPUTOFPLCTOANGULARDISPLACEMENTORRECTILINEALDISPLACEMENTWHICHISINDIRECTPROPORTIONTOTHEELECTRICPULSETHEFORMERDRIVINGSECTIONSTEPMOTORMAINLYACCOMPLISHESTHESPEEDCONTROLOFTHEINDUSTRYCHAIN,ANDTHELATERCLASSIFICATIONSECTIONMUSTACCURATELYCONTROLTHEOUTPUTANGULARDISPLACEMENTANDDIRECTIONOFTHESTEPMOTORWHENTHESTEPMOTOROUTOFSTEPINTHEPROCESS,THEPHOTOELECTRICENCIPHERORMUSTBEUSEDTOCONTROLTHEPHASEOUTPUTOFTHESTEPMOTORANDENSURETHEOUTPUTACCORDWITHTHEPRACTICALITYTHELATERCLASSIFICATIONSECTIONADOPTSTHEMODEOFAUTORESETTOELIMINATETHEACCUMULATEDERROROFTHEMOTORANDENSURETHATTHEMOTOROUTPUTCERTAINANGULARDEGREEFROMZEROPOSITIONEVERYTIME2STATUSDETECTINGANDALARMDESIGNTHEPROCESSSTATUSOFTHESYSTEMCOULDBEESTIMATEDBYINDUCTIVESWITCHWHICHWEREFIXEDINTHECERTAINPOSITIONOFTHESYSTEMWHENTHESTATUSDIDN’TACCORDWITHTHEGIVENSTATUS,THESYSTEMSHOULDALARMTHEMODEOFTHEALARMISDESIGNEDINACOUSTOOPTICMODE,ACCORDINGASTHEPONDERANCEOFTHEERRORS3THECOMMUNICATIONOFTHEPLCANDTHECOMPUTERTHEPROGRAMOFTHECOMMUNICATIONPORT,INCLUDINGTHEPARITYBIT,THELENGTHOFTHEDATAFRAMES,REALIZEDTHECOMMUNICATIONOFTHEPLCANDTHECOMPUTERIIITHESOFTWAREDESIGNOFTHESYSTEMTHESOFTWAREOFTHEINDUSTRYCONTROLCOMPUTER,WHICHWASADOPTEDOBJECTORIENTEDWINDOWSAPPLICATIONANDPROGRAMMEDINBLANDCCOMPILER,HADLUXURIOUSHUMANCOMPUTERINTERACTION,MULTILEVELMENUDESIGNANDWASOPERATEDEASILYUSINGSTEP7MICRO/WIN32PROGRAMMEDTHECONTROLSOFTWAREOFPLC,WHICHBASEDONWINDOWSAPPLICATIONANDDESIGNEDSPECIALLYFORS7200SERIESPLCOFSIEMENSITHASTHEPOWERFULFUNCTION,WASMAINLYUSEDTODEVELOPPROGRAM,ATTHESAMETIMEALSOUSEDTOSUPERVISETHESTATUSOFPROGRAMIMPLEMENTATIONREALTIME2ATHESOFTWAREDESIGNOFPLCTHESOFTWAREOFPLCCANBESEPARATEDINTOMAINPROGRAM‘MAIN’,NORMALSORTPROGRAM‘MICRO_SORT’,AUTORESETPROGRAM‘AUTO_RESET’,INTERRUPTSERVICEROUTINEISR‘INTERRUPT’,INITIALIZATIONROUTINE‘INI_INSTALL’ANDERRORHANDLINGPROGRAMETCINSTRUCTURALALLTHESUBROUTINESWAREDECIDEDWHICHCOULDBECALLEDBYMAINPROGRAMACCORDINGTOINDUSTRYCONTROLCOMPUTEROREXTERNALCOMMANDTHEMAINCONTROLFLOWCHARTGRAPHMANIFESTASFIG3WHENTHESYSTEMWASPOWERUP,THEINITIALIZATIONROUTINEWASCALLEDTOACCOMPLISHTHEINITIALIZATIONOFWHOLESYSTEMANDTHESCANNINGOFALLTHEINDUCTIVESWITCH,WHICHWASACCORDINGASWHETHERTHESYSTEMDIRECTIONCONTROLI02I17I00I01INPUTPLC226COMMUNICATIONPORTOUTPUTQ05Q02Q01Q00ALARMDISPLAYMANUALCONTROLINPUTSTATUSDETECTINGSENSORMOTOR2MOTORDRIVERMOTOR1MOTORDRIVERPC/PPI4WASINGEARIFNOT,THEPLCWILLSENDINITIALIZATIONFAILSIGNALTOINDUSTRYCONTROLCOMPUTERANDWAITFORTHEWORKERTOTREATWITHIFTHEINITIALIZATIONWASACCOMPLISHEDWELL,THEPLCWILLSENDREADYSIGNALT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