Development of Large Capacity Semi-Active Seismic Damper Using Magneto-Rheological Fluid

[+] Author and Article Information
Hiroshi Sodeyama

Test and Research Department, Sanwa Tekki Corporation, Utsunomiya, Japan

Kohei Suzuki

Department of Mechanical Engineering, Tokyo Metropolitan University, Tokyo, Japan

Katsuaki Sunakoda

Technical Division, Sanwa Tekki Corporation, Tokyo, Japan

J. Pressure Vessel Technol 126(1), 105-109 (Feb 26, 2004) (5 pages) doi:10.1115/1.1634587 History: Received November 07, 2002; Revised May 30, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Viscosity without magnetic field
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Schematic of developed MR damper
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Experimental setup for dynamic loading test
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Displacement-force hysteresis loops
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Velocity-force relationships
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Field induced damping force
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Damping characteristic without magnetic field
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Analytical model of MR damper
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Analytical results compared with test results
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Force-velocity relationships
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Experimental results of damping control (Sinusoidal input 2 Hz)



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