Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/80664
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Type: Journal article
Title: Suppression of the stationary maglev vehicle-bridge coupled resonance using a tuned mass damper
Author: Zhou, D.
Li, J.
Hansen, C.
Citation: Journal of Vibration and Control, 2013; 19(2):191-203
Publisher: Sage Publications Inc
Issue Date: 2013
ISSN: 1077-5463
1741-2986
Statement of
Responsibility: 
Danfeng Zhou, Jie Li and Colin H Hansen
Abstract: The coupled resonance that occurs between a maglev vehicle and an elevated bridge is a unique problem for an electromagnetic suspension maglev system when the vehicle is suspended above the bridge without moving. This problem causes the bridge to vibrate in a large amplitude, it significantly degrades the ride comfort of the maglev train, and it needs to be solved before the commercial application of the system. In this paper, the principle of the stationary vehicle–bridge coupled resonance is investigated, and it is shown that the levitation system is non-passive and it causes self-excited vibration when the first resonance frequency of the bridge approaches the critical frequency of the levitation system. To eliminate the coupled resonance, an approach using a tuned mass damper (TMD) to render passive the levitation control system is presented, and it shows that a TMD with appropriate parameters can stabilize the coupled system. A procedure for seeking out a group of suboptimal parameters of the TMD is also proposed. This procedure ensures that the designed result has a satisfactory performance as well as a reasonable stability margin. The location where the TMD should be mounted to achieve the best performance is discussed. The numerical simulation shows that the designed TMD can completely suppress the vehicle–bridge coupled resonance.
Keywords: Coupled; maglev; resonance; TMD; vehicle-bridge
Rights: © The Author(s) 2012
RMID: 0020124634
DOI: 10.1177/1077546311430716
Appears in Collections:Mechanical Engineering publications

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