In this paper, we propose new sufficient conditions guaranteeing exponential stability of linear neutral systems with mixed constant delays. With a change of variable and bounded techniques along with constructed Lyapunov-Krasovskii functionals, the sufficient conditions are formulated without adding free matrices used. Three numerical examples are given to show effectiveness of the proposed criteria by comparing upper bounds of the time-delays and rate of convergence with some recent works.

In this paper, an exponentially stable condition for linear neutral with uncertainties and constant neutral and time-varying discrete delays is formulated. Based on a change of variable and improved Lyapunov-Krasovskii functional, the sufficient condition is obtained in the form of linear matrix inequalities. Two numerical examples are given to show effectiveness of the proposed condition by comparing upper bounds of the time-delays and rate of convergence with recent works.

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