Journal
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
Volume 19, Issue -, Pages S611-S615Publisher
ELSEVIER
DOI: 10.1016/S1003-6326(10)60118-5
Keywords
magneto-rheological elastomer; variable stiffness; absorber
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Funding
- National Natural Science Foundation of China [60804018, 50830202]
- Post doctoral Fund of China [20070420719]
- Chongqing Natural Science Foundation, China [CSTC.2008BB6184]
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A new adaptive variable stiffness absorber was proposed based on a smart material, magnetorheological elastomer (MRE), and its vibration control performance was investigated. Before developing the proposed absorber, the MREs were firstly fabricated by curing a mixture of 704 silicon rubber, carbonyl iron particles and a small amount of silicone oil under an external magnetic field. Then the mechanical properties of the fabricated MREs were measured. On the basis of the measured mechanical characteristics, the MRE absorber was developed and its working characteristics were also tested under various input currents and excited frequencies. Finally, the control responses of a two-degree-of-freedom dynamic system with a MRE absorber were presented under a chirp input and used to evaluate the effectiveness of the MIZE absorber.
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