Shock and Vibration

Shock and Vibration / 2013 / Article
Special Issue

Nonlinear Vibrations in Elastic Structures: Dynamics and Control

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Open Access

Volume 20 |Article ID 605725 | 8 pages | https://doi.org/10.3233/SAV-130822

Nonlinear Dynamics of a Non-ideal Autoparametric System with MR Damper

Received08 Oct 2013
Accepted08 Oct 2013

Abstract

The nonlinear response of a three degree of freedom autoparametric system with a double pendulum, including the magnetorheological (MR) damper when the excitation comes from a DC motor which works with limited power supply, has been examined. The non-ideal source of power adds one degree of freedom which makes the system have four degrees of freedom. The influence of damping force in MR damper on the phenomenon of energy transfer has been studied numerically. Near the internal and external resonance region, except periodic vibration also chaotic vibration has been observed. Results show that MR damper can be used to change the dynamic behavior of the autoparametric system.

Copyright © 2013 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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