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1 International Journal of Applied Mechanics and Engineering

1 2020

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Analytical model of the two-mass above resonance system of the eccentric-pendulum type vibration table

Lanets O. S., Dmytriv V. T., Borovets V. M., Derevenko I. A., Horodetskyy I. M.

International Journal of Applied Mechanics and Engineering

2020

Vol. 25, no. 4

116--129

The article deals with atwo-mass above resonant oscillatory system of an eccentric-pendulum type vibrating table. Based on the model of a vibrating oscillatory system with three masses, the system of differential equations of motion of oscillating masses with five degrees of freedom is compiled using generalized Lagrange equations of the second kind. For given values of mechanical parameters of the oscillatory system and initial conditions, the autonomous system of differential equations of motion of oscillating masses is solved by the numerical Rosenbrock method. The results of analytical modelling are verified by experimental studies. The two-mass vibration system with eccentric-pendulum drive in resonant oscillation mode is characterized by an instantaneous start and stop of the drive without prolonged transient modes. Parasitic oscillations of the working body, as a body with distributed mass, are minimal at the frequency of forced oscillations.