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Design and Control of Semi-Active Railway Vehicle Suspension Featuring MR Damper

[+] Author Affiliations
Jong-Seok Oh, Hwan-Choong Kim, Seung-bok Choi

Inha University, Incheon, Korea

Paper No. SMASIS2014-7434, pp. V001T03A006; 5 pages
  • ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
  • Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring; Keynote Presentation
  • Newport, Rhode Island, USA, September 8–10, 2014
  • Conference Sponsors: Aerospace Division
  • ISBN: 978-0-7918-4614-8
  • Copyright © 2014 by ASME


In this work, control performance of a semi-active railway vehicle suspension system featuring MR damper is evaluated. Firstly, a mathematical model for railway vehicle which contains car body, bogie frame and wheel-set is derived to represent lateral, yaw and roll motions. From this model, design parameters of MR damper are optimally determined. And then, MR dampers which can generate proper damping force to control the unwanted vibration of the railway vehicle are manufactured and evaluated experimentally. In order to attenuate the vibration of railway vehicle, in this work, skyhook controller is designed and implemented. Control performances of MR damper for railway vehicle including car body lateral motion and acceleration of MR damper are evaluated using test rig composed of a car body and two bogies.

Copyright © 2014 by ASME



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