Model Reference Control of Hyperchaotic Systems

Figure 5

The estimation of the uncertain parameters: (a) 𝑎 is the estimation of 𝑎; (b) 𝑏̂ is the estimation of 𝑏; (c) 𝑐̂ is the estimation of 𝑐; (d) 𝑑 is the estimation of 𝑑; (e) 𝑓 is the estimation of 𝑓; (f) 𝑔 is the estimation of 𝑔.

(a) The estimation of 𝑎

(b) The estimation of 𝑏

(c) The estimation of 𝑐

(d) The estimation of 𝑑

(e) The estimation of 𝑓

(f) The estimation of 𝑔