Figure 1
From: Hopf bifurcation control for the main drive delay system of rolling mill

The equilibrium of system (2) with \(\tau =0.5<\tau _{01}\) is stable
Theory and Modern Applications
From: Hopf bifurcation control for the main drive delay system of rolling mill
The equilibrium of system (2) with \(\tau =0.5<\tau _{01}\) is stable