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9 April 2010 A dual adaptive tunable vibration absorber using MREs for vehicle powertrain vibration control
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Abstract
This paper presents a dual Adaptive Tuned Vibration Absorber (ATVA) using a magnetorheological elastomer (MRE) for powertrain torsional vibration control. The MRE used in this device is a soft MRE with a significant MR effect. By using the MRE, the ATVA can work in a wide frequency range. In this paper, the dual ATVA is proposed rather than a single ATVA because a single ATVA, at a fixed location, cannot deal with resonances happening to several powertrain vibration modes. Also, the dual ATVA concept design is presented to validate its effectiveness. In addition the soft MRE shear modulus is approximated by a polynomial of magnetic flux intensity B and the approximation was experimentally validated. The simulation results showed that with the ATVA, powertrain vibration response is significantly suppressed. Furthermore, the effect of the dual ATVA parameters such as inertia moment, stiffness and damping coefficients and ATVA locations were examined. The dual ATVA will be useful device for powertrain vibration suppression.
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N. Hoang, N. Zhang, and H. Du "A dual adaptive tunable vibration absorber using MREs for vehicle powertrain vibration control", Proc. SPIE 7643, Active and Passive Smart Structures and Integrated Systems 2010, 76430Z (9 April 2010); https://doi.org/10.1117/12.847478
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