Hyun-Ung Oh 2004 Smart Mater. Struct. 13 1238 doi:10.1088/0964-1726/13/5/028
Hyun-Ung Oh
Show affiliationsA low-power-consumption magneto-rheological (MR) fluid damper has been designed and fabricated to suppress the vibration of a space flexible structure. The MR damper fabricated in this study has advantages of both semi-active and optimal passive dampers, unlike the conventional MR and electro-rheological (ER) fluid semi-active damper. The vibration is thus damped quickly when the damper is controlled semi-actively, and the vibration energy is dissipated by an optimal passive damper in the absence of control. To implement the aforementioned damper, we fabricated an electromagnet combined with a permanent magnet. Its performance and the characteristics of the damper with the newly developed electromagnet were subsequently measured. The performance of the damper has been confirmed by vibration suppression experiments using 10-bay truss structures.
83.80.Gv Electro- and magnetorheological fluids
46.40.Ff Resonance, damping and dynamic stability
Issue 5 (October 2004)
Received 18 July 2003, in final form 8 June 2004
Published 16 September 2004
Hyun-Ung Oh 2004 Smart Mater. Struct. 13 1238
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