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Vibration control for steel frame based on magnetorheological fluid absorber

XUHUI LIU1,* , HAO YU1, XIAOLI GAO1,* , MENG SUN1, HUI ZHANG1, DUN YE1

Affiliation

  1. School of Mechanical Engineering, Shanghai institute of Technology, 201418, Shanghai, China

Abstract

The similar model is made to three-layer building structure, the 4-DOF vibration system is built up; the parameter of MRF absorber is optimized and designed, the mass, damping coefficient and rigidity are obtained according to the characteristic of structure; a set of testing system of semi-active vibration control is designed to study the effect of MRF damper, considering the natural frequency and strength of external magnetic field, the amplitude of structure can be decreased obviously after using MRF absorber and the vibrating process is stabilized, validating the effect on shock absorber of MRF absorber..

Keywords

Magnetorheological fluid absorber, Vibration control, Steel frame.

Citation

XUHUI LIU, HAO YU, XIAOLI GAO, MENG SUN, HUI ZHANG, DUN YE, Vibration control for steel frame based on magnetorheological fluid absorber, Optoelectronics and Advanced Materials - Rapid Communications, 9, 1-2, January-February 2015, pp.222-225 (2015).

Submitted at: Aug. 5, 2014

Accepted at: Jan. 21, 2015