%0 Journal Article %T Research of stability condition for time-invariant nonlinear system %A CHENHong %A OkuyamaY %A TakemoriF(.AutomationInstitute %A FuzhouUniversity %A Fuzhou %A Fujian %A China %A .FacultyofEngineering %A TottoriUniversity %A Japan) %J 福州大学学报(自然科学版) %D 2001 %X 1 IntroductionAsmallgaintheoremwithL2 normisgenerallyappliedtorobuststabilityconditionsinthefrequencydo mainforcontrolsystemswithuncertaintyandnon linear.Itcanbeappliedtotime varyingnon linearityorfre quencywithuncertaintyandhasbeenwidelyusedasadesigntec… %U http://xbzrb.fzu.edu.cn/ch/reader/view_abstract.aspx?file_no=20010104&flag=1