简介:Thispaperstudiestheglobalrobustoutputregulationproblemforlowertriangularsystemssubjecttononlinearexosystems.Byemployingtheinternalmodelapproach,thisproblemcanbeboileddowntoaglobalrobuststabilizationproblemofatime-varyingnonlinearsysteminthecascade-connectedform.Then,asetofsufficientconditionsforthesolvabilityoftheproblemisderived,andthus,leadingtothesolutiontotheglobalrobustoutputregulationproblem.Anapplicationofthemainresultofthispaperisalsoproposed.
简介:BasedontheT-Smodel,theoutputregulationofnonlinearsingularlyperturbedsystemsviastatefeedbackisdiscussed.Itisshownthat,understandardassumptions,thisproblemissolvableifandonlyifcertainlinearmatrixequationsaresolvable.Oncetheseequationsaresolvable,thestatefeedbackregulatorcaneasilybeconstructed.