Abstract
Three-DOF system with a limited power-supply (or non-ideal system) having the von Mises girder as absorber is considered. Stationary resonance regimes of vibrations with snap-through motions around the unstable equilibrium position of the system are analyzed in two approximations of the mixed multiple scales/harmonic balance method. Namely, vibrations near the resonance 1:1 between the motor rotation frequency and the linearized sub-system frequency are analyzed. This analysis and numerical simulations confirm that the regime of snap-through motions guarantees an effective absorption of elastic vibrations. Besides, we can find other regimes which guarantee such absorption and the fast outcome from the resonance region.
Published Version
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