基于改进蚁群算法的电液比例系统PID参数优化.pdf

《基于改进蚁群算法的电液比例系统PID参数优化.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．2014Hydr0mechatronicsEngineeringVo1．42No．6DOI：10．3969／j．issn．1001-3881．2014．06．025Parameteroptimizationofelectro-hydraulicproportionalsystemofPIDbasedontheimprovedantcolonyalgorithmXiu—fenXU*ElectricalandMechanicalEngineeringCollege，XinxiangInstitute，Xinxiang453000，ChinaAbstract：VACAisah

2、ybridalgorithmcombinedwiththevariablemetricalgorithmandantcolonyoptimizationalgorithm．Fortheelectro·hydraulicproportionalcontrolsystemforPIDparametertuningproblem，thispaperputsforwardtheoptimizationofPIDparametersbasedonVACA，andgivesthespecificimplementationsteps：establishmathematicalmodelforelec

3、tro-hydrauliccon-trolsystem，establishthesimulationmodelofelectro—hydraulicproportionalcontrolsystemofVA-CA-PIDbyusingSIMULINKtoolbox，simulationandverification．Theresultsshowthat：theVA-CA-PIDcontrollerhasgoodstaticanddynamicperformance，canfullymeettheelectro-hydraulicproportionalcontrolsystem．Keyw

4、ords：Improvedantcolonyalgorithm，Electro-hydraulicproportionalcontrol，PID，Optimiza-tioncontrolsystem，itsprinciplediagramisshowninFig—1．Introductionure1，includingtheelectro—hydraulicproportionalvalve，valvecontrolledsinglerodhydrauliccylinder，Concretepumptruck[1]isakindofconstrue—conversionlink(toeo

5、nve~cylinderexpansiona—tionmachinerywithconcretepumpsplacedinthemounttoboomAngle)，obliquitysensor，etc．specialpurposevehicleturf，tobeabletowalkinde．pendentlyandrealizetransmissionandpouringcon—cretethroughspecialboomofhightechnicalcontent．Pumptruckboomisthecorepartoftheelectro--hy--drauliccontrols

6、ystemanditsdynamicandsteady—stateperformancehasfar—reachinginfluencesontheFigure1．Theprinciplediagramoftheelectro—hydraulicvehicleperformance．AlthoughtraditionalZ—N[24]proportionalcontrolsystemsettingalgorithmcanbasicallymeettherequirements，ithassomelimitationsbecauseofthepoor2．Thetransferfunctio

7、nofthesystemstabilityandlowaccuracyofsetting．Sowemusta—Staticanddynamicperformanceoftheelectro—doptmeasurestoimprovethecontroleffect．Basedonhydraulicpropo~ionalpositioncontrolsystemmainlyVACA[5]toPIDcontrolparameteropt