Research Article

Control and Synchronization of Chaotic and Hyperchaotic Lorenz Systems via Extended Backstepping Techniques

Figure 2

Phase portraits of the attractor of the new hyperchaotic Lorenz system with the parameter values , , , , and .
861727.fig.002a
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861727.fig.002b
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861727.fig.002c
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861727.fig.002d
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