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http://dx.doi.org/10.7736/KSPE.2013.30.10.1051

H∞ Control of Secondary Suspension in Railway Vehicles Equipped with a MR Damper  

Shin, Yu Jeong (High-Speed Railroad System Research Center, Korea Railroad Research Institute)
You, Won Hee (High-Speed Railroad System Research Center, Korea Railroad Research Institute)
Hur, Hyun Moo (High-Speed Railroad System Research Center, Korea Railroad Research Institute)
Park, Joon Hyuk (High-Speed Railroad System Research Center, Korea Railroad Research Institute)
Publication Information
Journal of the Korean Society for Precision Engineering / v.30, no.10, 2013 , pp. 1051-1059 More about this Journal
Abstract
In general, lateral ride comfort of railway vehicle is mainly influenced by a secondary suspension placed between the bogie and carbody. Higher operating speeds of train results in increased vibration of carbody, which has a negative impact related to the ride comfort. To solve this problem, researches to replace the conventional passive suspension with (semi)active technology in the secondary suspension of a railway vehicle have been carried out. The semi-active suspension using the magneto-rheological damper is relatively simpler system and has advantage in maintenance compared to the hydraulic type semi-active damper. This study was performed to reduce lateral vibration acceleration of carbody related to ride comfort of railway vehicles with a semi-active suspension system. The numerical analysis was conducted by replacing passive lateral damper with semi-active MR damper, and robust control with the MR damper was applied to the 1/5 scaled railway vehicle model.
Keywords
H infinity Control; Railway Vehicle; Semi-active and Active Suspension Control;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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