On Fractional Model Reference Adaptive Control

Figure 3

Fractional adaptive control of the fractional nonlinear system (26). (a) Estimation of parameter 𝑎_𝑝(𝑡); (b) parameter 𝑏_𝑝(𝑡); (c) estimation of parameter 𝑐_𝑝(𝑡); (d) control input 𝑢(𝑡).

(a)

(b)

(c)

(d)