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http://dx.doi.org/10.5139/JKSAS.2009.37.5.450

Performance Investigation of Semi-Active Damper Considering Mass Modeling of Functional Fluid  

Oh, Hyun-Ung (국방과학연구소 영상정보체계개발단)
Choi, Young-Jun (국방과학연구소 영상정보체계개발단)
Lee, Kyong-Min (국방과학연구소 영상정보체계개발단)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.5, 2009 , pp. 450-456 More about this Journal
Abstract
Semi-active vibration control is one of the attractive control methods for space application due to its robustness as passive damping system and much higher damping performance than passive system. In this paper, performance investigation of semi-active damper considering a mass modeling of functional fluid inside of the damper has been performed. Numerical investigation results confirmed that the damper model considering the fluid mass is effective for vibration suppression performance at a relatively low viscosity range of functional fluid. Based on the analysis results, design method to enhance the performance of semi-active damper has been proposed.
Keywords
Semi-Active Control; Variable Damping; Functional Fluid;
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