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Projective Synchronization of Three Memristor Chaotic Systems with Unknown Parameters via Adaptive Control

This paper studies the synchronization of three memristor chaotic systems (MCSs) with unknown parameters. The presented projective synchronization extends traditional synchronization between one master system and one slave system to that of three MCSs. Based on parameter estimation method, an adaptive controller is designed to realize the synchronization of MCSs, where unknown parameters can be tracked automatically. Finally, the numerical simulations are provided to verify the effectiveness of the theoretical results.