Numerical and experimental studies on a new variable stiffness and damping magnetorheological fluid damper

Hui Huang, Shuaishuai Sun, Shumei Chen, Weihua Li

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

This article describes a new magnetorheological fluid damper; its damping and stiffness are variable and controllable through the compact structure of two damping units and a spring. The ability of variable stiffness and damping enables it to be used for more effective vibration control in wide-band excitation wave occasions. First, the effective stiffness and output damping force are calculated in theory. Then, the magnetic field is simulated by finite element analysis. After the prototype of the new magnetorheological fluid damper is developed and machined, the damper’s performances are tested in a hydraulic actuated MTS machine, including stiffness variability and damping variability in different current. The successful development, numerical calculation, and experimental testing shows that the new damper not only outputs a controllable damping force but also occurs as the great variable stiffness in a certain range, which makes the true design and implementation of the concept of variable stiffness and damping.

Original languageEnglish
Pages (from-to)1639-1652
Number of pages14
JournalJournal of Intelligent Material Systems and Structures
Volume30
Issue number11
DOIs
Publication statusPublished - 2019 Jul 1
Externally publishedYes

Keywords

  • Magnetorheological fluid
  • numerical and experimental
  • structure design
  • variable stiffness and damping
  • vibration control

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanical Engineering

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