This paper deals with the robust stability of a class of uncertain nonlinear time-delay systems. A quasi-one-sided Lipschitz condition is introduced to estimate the in-fluenee of nonlinear vector function on the stability analy-sis. Delay-independent/delay-dependent stability criteria for-mulated in the form of linear matrix inequalities are pre-sented. Furthermore, these stability criteria are available even if the system parameter is unstable, because the unneces-sary positive quasi-one-sided Lipschitz constant matrix includes much useful information of the nonlinear part. Numerical ex-amplee show the advantage of the results obtained in this paper.
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