Synchronization of Fractional-Order Hyperchaotic Systems via Fractional-Order Controllers

Figure 3

The waveform of synchronization time with the control parameters 𝑘_𝑖(𝑖=1,2,3,4) (a) and time waveforms of synchronization errors between two hyperchaotic Chen systems with parameter 𝑘_𝑖=15 (b), 1875 (c), 4500 (d) (𝑖=1,2,3,4), respectively.

(a)

(b)

(c)

(d)