Abstract
Magnetorheological elastomer (MRE) is a class of elastomer that consist of rubber with embedded ferromagnetic particles. As a result, the mechanism of these materials can be controlled under the different magnetic field levels. The systems that use MRE-based devices can efficiently tune natural frequencies to avoid resonance. Recently, the use of this material in intelligent vibration systems has attracted many scientists. In this study, MREs were used in an intelligent suspension system. The stiffness controllable elastomer is first fabricated, and then the static and dynamic properties are tested under different magnetic fields. Second, an on-off semi-active controller was used to reduce the vibration of a system. The control algorithm scheme is based on the Lyapunov stability theory to maximize vibration energy absorption. The effectiveness of the developed controller has been evaluated by experiment.
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This research is funded by Funds for Science and Technology Development of the University of Danang under project number B2019-DN06–16.
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Nguyen, X.B., Tung, P.M. (2021). Adaptive Variable Stiffness Vibration Absorber Using Magnetorheological Material. In: Long, B.T., Kim, YH., Ishizaki, K., Toan, N.D., Parinov, I.A., Vu, N.P. (eds) Proceedings of the 2nd Annual International Conference on Material, Machines and Methods for Sustainable Development (MMMS2020). MMMS 2020. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-69610-8_31
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DOI: https://doi.org/10.1007/978-3-030-69610-8_31
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