In this paper, we derive new results based on the sliding mode control for the anti-synchronization of identical hyperchaotic Qi systems (2005). The stability results for the sliding mode control based antisynchronization schemes derived in this paper are established using Lyapunov stability theory. Since the Lyapunov exponents are not required for these calculations, the sliding mode control method is effective and convenient to achieve global chaos anti-synchronization of the identical hyperchaotic Qi systems. Numerical simulations are shown to illustrate the effectiveness of the sliding mode control results derived in this paper for the identical hyperchaotic Qi systems.
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