- Volume 22 Issue 11
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Modeling and Vibration Control of Small-sized Magneto-rheological Damper
소형 MR 댐퍼의 모델링 및 진동제어
- Lee, Jong-Woo (Mechanical Engineering, Inha University) ;
- Seong, Min-Sang (Mechanical Engineering, Inha University) ;
- Woo, Je-Kwan (Mechanical Engineering, Inha University) ;
- Choi, Seung-Bok (Mechanical Engineering, Inha University)
- Received : 2012.09.07
- Accepted : 2012.09.19
- Published : 2012.11.20
This paper presents a new small-sized damper featuring magneto-rheological(MR) fluid which can be applied to vibration control system. The proposed MR damper consists of cylinder, piston, a couple of bearings, oil-seals and magnetic circuit which has two coils. In this damper, approximately 5cc of MR fluid is used. The damping force of the MR damper is designed to be followed by linear shear-mode Bingham-plastic model. In order to verify the performance of the MR damper, an experimental apparatus is established. In the experimental test, the damping force of the MR damper is measured with respect to time, displacement and velocity. In addition, the time response of MR damper is measured when 1A of step current is applied. Finally, the proposed small MR damper is applied to vibration control. In this process, a simple 1-DOF system is modeled and controlled using PID controller.
Supported by : 한국연구재단
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