Abstract
The main aim of this paper is focused on vibration attenuation of the electromechanical system flexibly coupled with a baseplate and damped by an impact element. The model is constructed with three degrees of freedom in the mechanical oscillating part, two translational and one rotational. The system movement is described by three mutually coupled second-order ordinary differential equations, derived by the force balance method. Here, the most important nonlinearities are: stiffness of the support spring elements and internal impacts. The main results show the impact damping device attenuates vibrations of the rotor frame in a wide range of the excitation frequencies, that is wider then in the case when the impact element works only as an inertia damper without occurrence of any impacts.
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