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Projective synchronization of a new hyperchaotic Lorenz system. (English) Zbl 1209.93105
Summary: This Letter mainly concerns projective synchronization (PS) of a new hyperchaotic Lorenz system. PS with both identical and different scaling factors between two hyperchaotic Lorenz systems are realized. A general sufficient condition for PS in a certain class of chaotic (hyperchaotic) system with uncertainties is obtained by using adaptive control. Numerical simulations are performed to verify and illustrate the analytical results.

MSC:
 93D05 Lyapunov and other classical stabilities (Lagrange, Poisson, $$L^p, l^p$$, etc.) in control theory 37D45 Strange attractors, chaotic dynamics of systems with hyperbolic behavior 34H10 Chaos control for problems involving ordinary differential equations
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