期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 45, 期 6, 页码 2758-2761出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2009.2020549
关键词
Electromagnetic shunt damper; passive vibration damping; RLC shunt circuit
资金
- National Research Foundation of Korea [2008-0059994] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
In this paper, the electromagnetic shunt damper was newly developed to passively suppress the vibration of the flexible cantilever beams. The electromagnetic shunt damper, which is electro-mechanically coupled with the flexible structures, simply consists of a coil, a permanent magnet, and an R-C circuit. The ends of the conductive coil are connected to the R-C series shunt circuit. The vibration and damping characteristics of the flexible beams with the electromagnetic shunt damper were investigated by tuning the circuit parameters. Also, the effect of the magnetic intensity on the shunt damping was studied with the variation of the gap between the aluminum beam and the permanent magnet. The theoretical model of electromagnetic shunt damper was validated with experimental results. Present results show that the magnet shunt damper can be successfully applied to reduce the vibration of the flexible structures.
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