Fig. 9From: Paradoxes in dynamic stability of mechanical systems: investigating the causes and detecting the nonlinear behaviorsControlled Ziegler column when \(\gamma =0.05\): a critical manifold in the \((\mu ,\xi _{1},\xi _{2})\)-parameter space: C controlled system, U uncontrolled system; b \(\mu\)-isolines: S stable region, U unstable region, black curves controlled system, gray curves uncontrolled systemBack to article page