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

DOI PDF 被引用文献8件
  • 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

書誌事項

公開日
2004-02-01
DOI
  • 10.1115/1.1634587
公開者
ASME International

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説明

<jats:p>In recent years, there has been increasing research in several industrial fields for development of semi-active vibration control devices. In particular, devices using magneto-rheological (MR) fluid have been attracting great research interest because they can realize high performance as capacity-variable dampers. MR fluids are controllable fluids that respond to applied magnetic fields. Applied magnetic fields drastically change the viscosity of MR fluids from an oily state to a semi-solid state. This paper describes a study on a large capacity device using an MR fluid, i.e., an MR damper. This developed MR damper provides a maximum damping force of 300 kN. Various tests were carried out and the dynamic characteristics, force-displacement hysteresis loops and controllable forces were investigated. These tests verified that the MR damper provides a technology that enables effective semi-active control of large-scale structure systems, i.e., real buildings and civil engineering structures.</jats:p>

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