Development of a novel variable stiffness and damping magnetorheological fluid damper

Shuaishuai Sun, Jian Yang, Weihua Li, Huaxia Deng, Haiping Du, Gursel Alici

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)

Abstract

This paper reports a novel magnetorheological fluid (MRF)-based damper, which synergizes the attributes of variable stiffness and damping through the compact assembly of two MRF damping units and a spring. The magnetic field densities of the two damping units were analyzed. After the prototype of the new MRF damper, a hydraulically actuated MTS machine was used to test the damper's performance, including stiffness variability and damping variability, amplitude-dependent responses and frequency-dependent responses. A new mathematical model was developed to describe the variable stiffness and damping MRF damper. The successful development, experimental testing and modeling of this innovative variable stiffness and damping MRF damper make the true design and implementation of the concept of variable stiffness and damping feasible.

Original languageEnglish
Article number085021
JournalSmart Materials and Structures
Volume24
Issue number8
DOIs
Publication statusPublished - 2015 Aug 1
Externally publishedYes

Keywords

  • damper performance
  • magnetorheological fluids
  • variable stiffness and damping
  • vibration control

ASJC Scopus subject areas

  • Signal Processing
  • Civil and Structural Engineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Electrical and Electronic Engineering

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