简介:TherobustDstabilizationproblemisconsideredforsingularsystemswithpolytopicuncertaintiesinthispaper.BoththederivativematrixEandthestatematrixAarewithuncertainties,whichwerenotconsideredbefore.First,withtheintroductionofsomefreematrices,anecessaryandsufficientconditionforthesingularsystemtobeDstableisproposed,basedonwhich,therobustDstableproblemissolved,andasufficientconditionfortheclosedsystemtoberobustDstabilizableisobtained.Thedesiredstatefeedbackcontrollerisgiveninanexplicitexpression.Numericalexamplesshowtheefficiencyoftheproposedapproach.