Design of a Torsional Dynamic Absorber Using Magnetorheological Elastomers for Powertrain Vibration Control

Nga Hoang; Di Cao

doi:10.4028/www.scientific.net/AMR.230-232.372

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 230-232Design of a Torsional Dynamic Absorber Using...

Design of a Torsional Dynamic Absorber Using Magnetorheological Elastomers for Powertrain Vibration Control

Abstract:

This paper presents the design of torsional adaptive tunable vibration absorber (ATVA) using magnetorheological elastomers (MREs) for vibration reduction of powertrain systems. The MRE used for the ATVA development consists of a silicone polymer, silicone oil and magnetic particles with the weight fractions are 60%, 20%, 20%, respectively. Experimental testing is conducted to measure MRE Young’s modulus and damping ratio. With the MRE, a dynamic absorber design is proposed for powertrain vibration reduction and the parameters of magnetic circuit such as the number of turns of coils can be determined. Also, the mechanical parameters of the dynamic absorber are designed. In addition, the ATVA effectiveness is investigated through simulations, which is useful to optimize ATVA parameters to develop the ATVA.

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Periodical:

Advanced Materials Research (Volumes 230-232)

Pages:

372-376

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.230-232.372

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Online since:

May 2011

Authors:

Nga Hoang, Di Cao

Keywords:

Magnetorheological Elastomer (MRE), Powertrain Vibration, Tunable Vibration Dynamic Absorber, Varying Stiffness, Vibration Reduction

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