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http://dx.doi.org/10.5050/KSNVE.2016.26.4.443

Design and Analysis of Magneto-Rheological Damper Using Permanent Magnet  

Kim, Wan Ho (Department of Mechanical Engineering, Inha University)
Suresh, Kaluvan (Department of Mechanical Engineering, Inha University)
Park, Jhin Ha (Department of Mechanical Engineering, Inha University)
Choi, Sang Min (Department of Mechanical Engineering, Inha University)
Park, Chun-Yong (Department of Mechanical Engineering, Inha University)
Kang, Je-Won (Department of Mechanical Engineering, Inha University)
Choi, Seung-Bok (Department of Mechanical Engineering, Inha University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.26, no.4, 2016 , pp. 443-448 More about this Journal
Abstract
A novel Permanent Magnet based Magneto Rheological (PM-MR) damper is proposed in this paper. The principle of proposed MR damper is achieved by designing a linearly varying magnetization area with-respect to the movable permanent magnetic based piston setup. Nowadays, commercially available MR damper uses electromagnetic coils for generating the variable magnetic fields corresponding to the variable damping force. The amount of magnetic field produced by the electromagnetic coils are depends on the biasing current of voltage source. The key enabling concept of the proposed MR damper is to replace the electromagnetic coils and the voltage sources by utilizing the variable area based permanent magnetic piston setup. The proposed unique design structure of PM-MR damper has an increasing shear mode damping force with the piston movement in both jounce and rebound motion. In this research, analytical model of the proposed structure is derived and the structural design of proposed concept is verified using numerical CAD tool. As a result, the damping force is increase when piston movement in both jounce and rebound motion.
Keywords
Permanent Magnet; MR Damper; Shear Mode; Variation of Magnetization Area;
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Times Cited By KSCI : 1  (Citation Analysis)
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