A novel two-sided closed-loop Lyapunov-Krasovskii functional was proposed to solve the sampled data synchronization control problem of time-delay chaotic neural networks. A new interval was introduced to fully capture the sampled information ranging from to . Furthermore, the free-matrix inequality approach was adopted to design the sampled data controller, and sufficient conditions for chaotic synchronization of drive-response systems were derived, which were expressed in the form of linear matrix inequalities. Finally, numerical simulation examples were carried out to verify the effectiveness and superiority of the proposed synchronization criteria.
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