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Investigation of State Convergence Issues on Uncertain Perturbed Nonlinear T-S Fuzzy System

This paper addresses the state convergence problems on nonlinear perturbed T-S fuzzy system with uncertainties. The recently developed delay division method using geometric sequence is combined with a new integral delay-partitioning approach to overcome the negative effects of the mixed time delays. Then a modified Lyapunov Krasovskii functional (LKF) using flexible integral intervals is established. This development can reduce the computation burden and also improve the efficiency for obtaining the expected delay upper bound.