Control of Hopf Bifurcation in Autonomous System Based on Washout Filter

Figure 19

Experimental observations of the time history and phase diagram of system (16) with 𝑎=1, 𝑐=0.08, 𝑚=0.5, 𝑘₁=0.8, 𝑘₂=0.5, and 𝑏=−0.15.

(a) The time history

(b) The phase diagram