The sufficient stability criterion is derived for global synchronization of two chaotic rigid body motions with linear feedback control based on the Lyapunov stability theory and Gerschgorin theorem. From the above analysis, an adaptive feedback gains are designed to achieve chaos synchronization of two identical chaotic systems. The proposed scheme can be implemented without requiring the upper bound of the trajectory of a chaotic system in advance. The feasibility and effectiveness of the proposed scheme are verified via numerical simulations.
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