|
自动化学报 2005
一种模型参考鲁棒控制的跟踪性能改善, PP. 327-334 Keywords: Robustcontrol,modelfollowing,non-linearcontrol,backstepping Abstract: ?Thispaperconsidersthetrackingperformanceproblemofamodelreferencerobustcontrol(MRRC)forplantswithrelativedegreegreaterthanone.Anewalgorithmisproposedbasedontheearlierresearch.Itisshownthatbyapplyingaspecialtransformationtothetrackingsystem,theL1boundofthetrackingerrorcanbeachievedevenwhenthehighfrequencygainisunknown,andboththetrackingperformanceandthecontroleffortcanbeimprovedsignificantly.Furthermore,thestrictlypositivereal(SPR)condition,whichisanessentialassumptionoftheearlierdesign,canberemoved.
|