資源描述：
《Adaptive Neural Control for Output Feedback Nonlinear Systems Using a Barrier Lyapunov Function》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、IEEETRANSACTIONSONNEURALNETWORKS,VOL.21,NO.8,AUGUST20101339BriefPapersAdaptiveNeuralControlforOutputFeedbackNonlinearSystemsUsingaBarrierLyapunovFunctionItiswellknownthatNNapproximation-basedcontrolreliesonuniversalapproximationpropertyinacompactsetinorderBeibeiRen,Member,IEEE,Shuz
2、hiSamGe,Fellow,IEEE,toapproximateunknownnonlinearitiesintheplantdynamics.KengPengTee,Member,IEEE,andForanyinitialcompactset0,aslongastheargumentsTongHengLee,Member,IEEE0oftheunknownfunctionstartfromandremainwithinacompactsuperset,asshowninFig.1[8],NNapproximationisvalid.Therefor
3、e,howtodetermineapriorithecompactsupersetAbstractInthisbrief,adaptiveneuralcontrolispresentedandhowtoensuretheargumentsoftheunknownfunc-foraclassofoutputfeedbacknonlinearsystemsinthepresenceofunknownfunctions.Theunknownfunctionsarehandledtionremainwithinthecompactsuperset,aretwoo
4、penviaon-lineneuralnetwork(NN)controlusingonlyoutputandchallengingproblemsintheneuro-controlarea[2].Onemeasurements.AbarrierLyapunovfunction(BLF)isintroducedmethodofensuringthattheNNapproximationconditionholdstoaddresstwoopenandchallengingproblemsintheneuro-isbycarefulselectionofth
5、econtrolparameters,viarigorouscontrolarea:1)foranyinitialcompactset,howtodeterminetransientperformanceanalysis,sothatthesystemstatesdoapriorithecompactsuperset,onwhichNNapproximationisvalid;and2)howtoensurethattheargumentsofthenottransgressthecompactsupersetofapproximation[6],unkn
6、ownfunctionsremainwithinthespeci?edcompactsuperset.[8],butthecompactsupersetisonlygivenqualitatively,notByensuringboundednessoftheBLF,weactivelyconstrainthequantitively.Anothermethodistorelyonslidingmodecontrolargumentoftheunknownfunctionstoremainwithinacompactoperatinginparallelt
7、otheapproximation-basedcontrol,suchsupersetsuchthattheNNapproximationconditionshold.Thethatthecompactsupersetisrenderedpositivelyinvariantsemiglobalboundednessofallclosed-loopsignalsisensured,andthetrackingerrorconvergestoaneighborhoodofzero.[5],[27].Thecompactsupersetcanbespeci?
8、edapriori,Simulationresult
