基于参数Lyapunov函数的T-S模糊控制系统的稳定性分析

？Fordiscrete-timeT-Sfuzzysystems,thestabilityandcontrollerdesignmethodareinvestigatedbasedonparameter-dependentLyapunovfunction(PDLF).T-Sfuzzysystemsdifferfromnon-fuzzysystemswithpolytopicdescriptionormulti-modeldescriptioninthattheweightingcoefficientshaverespectivemeanings.They,however,havestabilityaspectincommon.Byadoptingastabilityconditionforpolytopicsystemsobtained$via$PDLF,andcombiningthepropertiesofT-Sfuzzysystems,newresultsaregiveninthispaper.Anexampleshowsthatbyapplyingthenewresults,thestabilityconditionsthatcanbedistinguishedarelessconservative.