欢迎来到天天文库
浏览记录
ID:52208575
大小:289.47 KB
页数:6页
时间:2020-03-25
《基于参数自整定的模糊PID控制器及其应用.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、机床与液压Mar.20l3HydromechatronicsEngineeringVo1.41No.6DOI:10.3969/j.issn.1001—3881.2013.06.016Fuzzy-PIDControllerofParameterBasedAuto·tuningandItsApplicationHUANGWei.WUQianJ.DepartmentofAutomation,ChongqingIndustryPolytechnicCollege,Chongqing401120,China;2.SchoolofComputerScienceandE
2、ngineering,ChongqingUniversityofTechnology,Chongqing400054,ChinaAbstract:Aimedatbeingdificulttomakesystemcontrolefectbeinthestateofoptimizingfr0mbeginningtoendbymeansofPIDcontrolparameterobtainedthroughdisposabletuning,thepa-perexploredasortoffuzzy-PIDcontrollerofparameterbasedaut
3、o-tuning.CombinedfuzzylogiccontrolwithclassicalPIDcontroltechnique,bydintoffuzzyauto—tuningofPIDcontrolparameterofline,whenthesystemperformanceproducesthechangeandgoesbeyondspecifiedrange,thesystemwouldautomaticallystartthetuningprocessofPIDcontrolparameter,andmodifiedthePIDcontro
4、lparameterinrealtime.madetheretunedPIDcontrolparameterbeableinthestateofoptimizingallthetime,andthereforeitcouldobtainbe~ercontrolefect.Inthepaper,ittookcentralair-conditioningcontrolofenvironmenttemperatureinproductiontechnologyofciga‘rettefactoryasanexample,andthetestdataofactua
5、lsystemsimulationdemonstratedthatitenhancedthecontrolprecisionandstabilitytofuzzy—PIDcontrollerofparameterbasedauto-tun。ing.Theresearchresultshowsthattheexploredcontrollercansatisfytheworkingconditionde-mandinstrongrobustnessandhighprecisionofactualsystem.Keywords:parameterauto-tu
6、ning,fuzzycontrol,self-learning,fuzzy-PIDControler1.Introduction2.LimitationofPIDcontrolThedemandofproductiontechnologyinciga—TheFig.1showsthecontrolmodelofPIDalgo-rettefactoryisveryhighforenvironmenttempera—rithm.InFig.1,e(t)(=r(t)一Y(t)),r(t),ture,andbyuseofPIDcontrolitisdificult
7、tosatisfyY(),“(t)isrespectivelythedeviation,inputandtheuserrequirementinaspectsofprecisionandsta·outputoftheprocess,andoutputofthecontroller.bility.Bymeansoffuzzyauto—tuningofPIDcontrolThetypicalresponseisshownasinFig.2.Inwhich,parameteronline,thepaperputforwardtomodifye,ecreprese
8、ntsrespectivelytheprocessdeviatio
此文档下载收益归作者所有