资源描述：
《轧机液压厚度自动控制系统的研究及应用》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、轧机液压厚度自动控制系统的研究及应用THERESEARCHANDAPPLICATIONOFTHECOLDMILLAUTOMATICGAUGECONTROLSYSTEMABSTRACTAutomaticGaugeControlSystem(AGC)isanimportantpartinautomaticsysteminmill.Theclassicalcontroltheoryisbasedonaccuratemathematicmodel.Butbecauseofcomplexityofmillprocessmechanism,itisdifficulttobuildan
2、exactmathematicmodel.Intelligentcontroltechnologyisaneffectwaytosolvetheproblemofautomaticgaugecontrol.Thisthesisintroducesdetailedlyaboutthenewtechniques,thenewspecialties,thegeneralconstitutionofthecoldsheetmill,thelocationandfunctionoftransducers,andtheparametersofmaintechnologybasedon
3、theMSB-6C-650BReversiblecoldrollingmillthickHydraulicControlSystem.Thesystem'smaincontrolmethod,principle,theprimaryfunctionofreversiblerollingmillandelectriccontrolsystemaccuracy,tensioncontrolaccuracy,precisionthicknesscontrolarealsointroduceddetailedly.Basedonthecurveofmillelasticdefor
4、mationandthecurveofstripplasticdeformation,theinfluenceofsomefactorsonthestripexitgaugeisanalyzed.OntheanalysisofthehydraulicAGCsystemandoperationmechanisminastripmill,andthemathematicalmodelofelectric-hydraulicpositioncontrolsystemisbuiltaccordingtotheequationofloadingpressure-fluxinserv
5、ovalve,theequationofloadingfluxinhydrauliccylinderandtheequationofforceequilibriuminhydrauliccylinder.Accordingtothemathematicalmodelofelectric-hydraulicpositioncontrolsystem,thePIDcontrollerisapplied,andsteadycontroleffecthasbeenachievedinhydraulicAGCsystem.Becauseofthepropertyoffastresp
6、onse,highcontrolprecisionandhighanti-interferenceofthehydraulicAGCsystem,AdaptiveFuzzyPIDcontrollerandthesingleneuronadaptivePIDcontrollerareadopted,whichisappliedintheAGCcontrolsystem.Simulationresultsshowthat,basedontheAdaptiveFuzzyFuzzyReasoningPIDcontrollersarecomparedtothetraditional
7、systemdynamicresponsecurvesbetter,shorterresponsetime!Overshootissmall,steady-statehighprecision!Systemencounterinterferencecanquicklyreturntosteady-state,gooddynamicandstaticproperties.AdaptivesingleneuronPIDcontrollercomparedtothetraditionalstep-responseovershoots
