Research Article

Robust Synchronization of Fractional-Order Hyperchaotic Systems Subjected to Input Nonlinearity and Unmatched External Perturbations

Figure 4

State responses of controlled drive and response systems: (a) state response of , ; (b) state response of , ; (c) state response of , ; (d) state response of , .
517916.fig.004a
(a)
517916.fig.004b
(b)
517916.fig.004c
(c)
517916.fig.004d
(d)