Journal of Drive and Control (드라이브 ㆍ 컨트롤)

The Korean Society for Fluid Power and Construction Equipment (유공압건설기계학회)
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Development and Evaluation of a Hybrid Damper for Semi-active Suspension

반능동 현가장치의 하이브리드형 댐퍼 개발에 관한 연구

  • Jin, Chul Ho (School of Mechanical Design & Manufacturing, Busan Institute of Science and Technology) ;
  • Yoon, Young Won (Korea Hydraulic & Pneumatic System Co.) ;
  • Lee, Jae Hak (Department of Aircraft Parts Engineering, International University of Korea)
  • Received : 2017.07.26
  • Accepted : 2018.02.28
  • Published : 2018.03.01
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Abstract

This research describes the development model and testing of a hybrid damper which can be applicable to a vehicle suspension. The hybrid damper is devised to improve the performance of a conventional passive oil damper using a magneto-rheological (MR) accumulator which consists of a gas accumulator and a MR device. The level of damping is continuously variable by the means of control in the applied current in a MR device fitted to a floating piston which separates the gas and the oil chamber. A simple MR device is used to resist the movement of floating piston. At first a mathematical model which describes all flows within the conventional oil damper is formulated, and then a small MR device is also devised and adopted to a mathematical model to characterize the performance of the device.

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References

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