剑杆毛巾织机经线张力模型分析及控制方法分析

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1、AbstractThewarptensionisthemostimportantfactorwhichaffectsthequalityoffabric.Duringhighmodulesfiber'sweavingprocess,unstablewarptensionleadstofabriccrimpphenomenon.Sothewarptensioncontrolisoneofthekeytechnologiesofloomcontrolsystem.Inthispaper,thedome

2、sticandinternationalresearchinrelatedfieldsoftensioncontrolissummarizedaroundthetheoryandmethodoftensioncontrolatfirst.Onthebasisofanalyzingchangelawandthedevelopmenthistoryaboutcontrolmethodoftensioncontrol,themainresearchcontentandthecorrespondingte

3、chnicalroutearepresented.Next,accordingtotheworkingprincipleandtechnologicalcharacteristicsoftowelrapierloom，thispaperproposesadesignmethodoftowelrapierloomcontrolsystembasedonindustrialEthernet.Thecontrolsystemuse32-bitmicroprocessorasthecore,through

4、integratingtheindustrialEthernetmodulehashighfluxdatacommunicationability,andonthebasisitdevelopofasoftwareframeworkbasedonthefinitestatemachinetomeetthetowelweavingprocessofcomplexprocessrequirement.Thecontrolsystemcanmeetthecontrolrequirementsofordi

5、naryloom,andmaketheloomrunstable.Thestableoperationofthesystemsupplyguaranteestoexperiment.Oncemore,throughanalyzingtheformingprincipleofprocess,itobtainthatthewarplongitudedeformationcausedbymechanism，smovementisthesignificantreasonduetotensionchange

6、・Onthebasisofanaly力ngthewarpdeformationmechanicsandthedynamicalmodelofwarpbeamdrivenbyaservomotor,therotationspeedofwarpbeamisadjustedbyafeedforwardmethodwherethewarplongitudedeformationinducedbythetake-upandsheddingmechanism'smovementisregardedasdist

7、ributedinput.Atlost,thecontrollerisappliedtothecontrolofrapierloomandtheexperimentsareconductedonaglassfiberrapierloom.Comparisonsbetweensimulationresultsandexperimentaldatashowthattheproposedcontrolstrategycaneffectivelycompensatethedeformationofglas

8、sfibrecausedbysheddingmechanism'smovementunderdifferentmainshaftrotationspeed.Consequentlythevariationofwarptensioncanbesuppressed・Thecontrolalgorithmhassomeadvantagesuchaseasytouseandforcontrolparameterdetermination.Thestudyiscriticaltoimprov