Adaptive Control Using Fully Online Sequential-Extreme Learning Machine and a Case Study on Engine Air-Fuel Ratio Regulation

Figure 6

Controller performance for (a) SGBP with𝐿=20and𝜂=0.005; (b) SGBP with𝐿=20and𝜂=0.01; (c) SGBP with𝐿=20and𝜂=0.05; (d) FOS-ELM with𝐿=50and𝜆=0.001.

(a)

(b)

(c)

(d)