基于免疫原理的控制器参数优化方法.pdf

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1、机床与液压Jun．2012HydromechatronicsEngineeringVo1．40No．12DOI：i0．3969／j．issn．1001-3881．2012．12．014ImmunityBasedOptimizingMethodforControllerParameterPEIYulingDepartmentofAutomation，ChongqingIndustryPolytechnicCollege，Chongqing401120，ChinaAbstract：Aimedatthepuzzleofoptimiza

2、tiononlineforcontrollerparameter，thepaperproposedasortoftuningmethodinparameteroptimizationforcontrollerbasedontheimmunetheory．Bymeansofimmunobiologicprinciple，themethodtookrespectivelytheoptimumsolutionandfeasi-blesolutionofparametertuningforcontrollertobeabstracted

3、astheantigenandantibody，byuseofimmunegeneticalgorithm，undertheconditionofsatisfyingconstraint，itsolvedthecorre-spondingcontrollerparameterthatmadetheobjectivefunctionJ(x)gettheextremum．Inthepa—per，itexpoundedthedesignstep，describedtheoptimizationprocessofparameter，ma

4、dethecomparativereseamhofcontrolalgorithm，gavetheresultsofsimulationexperiment，andana-lyzedtheperformanceindexofsystem．Thesimulationresultsdemonstratedthesuperiorityofthisalgorithm，andvalidatedtherationalityandefectiveness．Theresearchresultshowsthattheproposedmethodc

5、anbeappliedtoparametertuningforsolvingcomplexcontrolsystem．Keywords：optimizationofparametertuning，immuneprinciple，geneticalgorithm，intelligentPIDcontroIfusedwithPIDcontrolmethod．andgetsvariousin．1．IntroductiontelligentPIDcontrolssoastosatisfythespecifiedcontroldemand

6、．ThiskindofcontrollergenerallyAlongwiththedevelopmentofcontroltheoryownstheabilityinselflearningandselfadaptation．andcontroltechnology，ithasbeenemergedmanyThereforeitextendedthefieldofapplicationofPIDcontroltechnologiessuchasneuralnetwork[1]，controller．Becausetheperf

7、ormanceofcontrollerisfuzzycontrol[2]，antalgorithm[3]，geneticalgo—determinedbycontrolparameter．naturallyitistofithm[4—5]，humansimulatedintelligentcontrollerpaymoreattentiontothecontrolqualitvofcontroller．{6landexpertsystemcontrolinrealtime．IntheThereforehowtotunethepa

8、rameterofcontrollerisactualapplication，itdisplaysthestrongerbionergy，thecoreofcontrollerdesign[8]．Inthispaper，anditprovidedfornewth