Adaptive Sliding Mode Control of a Novel Class of Fractional Chaotic Systems

Figure 4

The chaotic trajectories of the fractional Chen’s system with simulation time 𝑇_sim=100s and time step ℎ=0.005: (a) the 𝑥−𝑦−𝑧 space; (b) the 𝑥−𝑡 space; (c) the 𝑦−𝑡 space; (d) the 𝑧−𝑡 space.

(a)

(b)

(c)

(d)