On an Non-Ideal Global and Local Energy Transfer, Using an Electro-Magneto and Magneto-Rheological Dampers

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2010-01-01

Autores

Balthazar, José Manoel [UNESP]
Palacios, Jorge L. F. [UNESP]

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Amer Soc Mechanical Engineers

Resumo

In this paper, we investigated the nonlinear vibrations of a Non-ideal (NIS) electromechanical absorber (NEVA), taking into account a modified mathematical model of (MR) Damper. We observed the presence of the Sornmerfeld effect (it is the steady state frequencies of the DC motor, which it will usually increasing as more power (Voltage) is given to it, in a step-by-step fashion. When a resonance condition it is reached, the better part of this energy it is consumed to generate large amplitude vibrations of the foundation, without sensible change of the motor frequency). The obtained results, by using numerical and analytical simulations, were discussed, in details.

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Proceedings of Asme International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, Vol 4, Pts A-c. New York: Amer Soc Mechanical Engineers, p. 1395-1401, 2010.