An Improved Principle of Rapid Oscillation Suppression of a Pendulum by a Controllable Moving Mass: Theory and Simulation

Figure 8

Nonsynchronous motion. (a) θ₀ = 0.1 rad, the effects of the motion distance ∆L on the equivalent damping ratio ζ and the exact damping ratio ζ_e; (b) ∆L/L = 4/15, the effect of the initial amplitude θ₀ on the exact damping ratio ζ_e.

(a)

(b)