改进的PSO算法及其在控制系统参数整定中的应用.pdf

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1、机床与液压Jun．2012HydromechatronicsEngineeringVo1．40No．12DOI：10．3969／j．issn．1001-3881．2012．12．015ImprovedAlgorithmofPSOandItsApplicationinParameterTuningofControlSystemAOChaohua．BIJianchaoDept．ofAutomation，ChongqingIndustryPolytechnicCollege，Chongqing401120，Chi

2、na；2College0厂Automation，ChongqingUniversity，Chongqing400044，ChinaAbstract：Hydromechatronicsengineeringisacomplexsystem，andthecontrolalgorithmandpa-rameterofcontrolsystemdirectlyinfluencethecontrolqualityofsystem．Aimedatthepuzzlethatthecontrolefectofconvent

3、ionaIPIDcontrollerisnotasgoodasexpectedforthecontrolsystemwithnonlinearityandstrongcoupling，anditisverydificulttotunetheparameters，thispaperde—signedasortofimprovedcontrollerofhumansimulatedintelligencebasedontheimprovedalgo-小hmofPSO．Bymeansofimprovedparti

4、cleswarmoptimizationalgorithm．thispaperconductedtheresearchonparametertuningofcontroller．drewlessonsfromoperationfactorcharacteristicingeneticalgorithmbasedonparticleswarmoptimization，andpresentedasortofimprovedparti-cleswarmoptimizationalgorithmwithgeneti

5、cthought．UndertheconditionofMatlabenviron—ment，thesimulationexperimenthasbeenconductedandthesuperiorityofthisimprovedalgo-rilhmhasbeenvalidated．ByusingSimulinktoo1．twosortsofcontrollerhavebeendesignedandthecomparativesimulationshavebeenperformed．Thesimulat

6、ionresultsdemonstratedthatthedesignedhumansimulatedintelligentcontrollerhavebeRercontrolqualitythanothercontrollersandthiscontrollerisfeasible．Theresearchresultsshowthatthecontrollerafterparametertuningcansatisfythedemandofcontrolqualityincontroledsystem．K

7、eywords：particleswarmoptimizationalgorithm，geneticalgorithm，humansimulatedintelligentcontroler，parametertuningWiththerapiddevelopmentofeconomyandformanceandsoon．Thehumansimulatedintelligenttechnology，thedemandofprecisionandintelligencecontrollerhaspeculiar

8、superioritybecauseitissimplehasbeenpresentedforcontrolsysteminhydromecha—instructureandstrongerinrobustness．Therefore．ittronicsengineering[1]．Therefore，itisnecessarytohasbettercontrolqualityascomparedtootherc