分析液压agc系统的智能融合控制策略

《分析液压agc系统的智能融合控制策略》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、机床与液压Jun．2012HydromechatronicsEngineeringVo1．40No．12OOI：10．3969／j．issn．1001-3881．2012．12．016IntelligenceFusionBasedControlStrategyforHydraulicPressureSystem0fAGCHUANGWeih．WUQian．DepartmentofAutomation，ChongqingIndustryPolytechnicCollege，Chongqing401120，China；2．SchoolofComputerScienceandTech

2、nology，ChongqingUnive~ityofTechnology，Chongqing400054，ChinaAbstract：ThehydraulicAGCsystemisaveryimportantpartofmodemstripandplatomill，thedynamicandsteadyqualityofcontrolisthekeyfactortodirectlyinfluencetheproductqualityinthissystem．Aimedatthecontrolpuzzleresultedfromnonlinearity，timelag，unc

3、ertaintyandin·terference，thispaperproposedaSOrtofinteligencefusionbasedcontrolstrategyforhydraulicAGesystem．Inthispaper，theinfluencefactorsoftheparameterhasbeencomprehensivelystudied，thecyberneticcharacteristicofhydraulicsystemhasbeenthoroughlydiscussed，andthecontrolstrategyofsystemandtheal

4、gorithmbasedonintelligencefusionhavebeenstudiedanddesigned．Undertheconditionoflaboratory，thecomprehensivecomparisonshavebeenmadebetweentheproposedfusioncontrolstrategyandotherdiferentcontrolalgorithm，andthesimu-lationresultsdemonstratethatthefusioncontrolstrategyisfasterinresponsespeed，high

5、erincontroIprecisionandthereisnoovershootascomparedtotheothercontrolstrategies．There-fore．theintelligencefusionbasedcontrolstrategyisanappropriateandfeasibleapproachforthehydraulicAGCsystem．Keywords：hydraulicAGC，fusionbasedcontrolstrategy，robustnesssoon，itisdificulttobuildaccuratemathematic

6、al1．Introductionmodelofthissystem．Therefore，thesystemerrorwouldbemuchlargeiftheroutinecontrolmethodisThehydraulicmillisamuhivariablesystem．adopted．Evenifundertheconditionofconstantroll·anditsrollingprocessisverycomplex．Bymeansofgaprollingprocess，itcouldmakethetargetvalueofelectrohydraulicse

7、rvovalve，theflowrateandpres．outletthicknessbeyondtheallowabletoleranceduetosureofhydrauliccylindercouldberegulatedandthethevariablerollingspeed，thicknessofbeltmaterialstraveldistanceofhydrauliccylindercouldbecon．entrance，coolingandbias—adjustabledeviatio