Fig. 11From: Paradoxes in dynamic stability of mechanical systems: investigating the causes and detecting the nonlinear behaviorsTime histories relevant to the case study II for the uncontrolled (dark gray curves) and controlled (light gray curves), when \(\mu =1.66\) and \(\gamma =0.01\): a \(\vartheta _{1}\) versus t; b \(\vartheta _{2}\) versus t Back to article page