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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/24015

Title: Optimal Vibration Suppression in Modal Space for Flexible Beams Subjected to Moving Loads
Authors: Yih-Hwang Lin
Contributors: NTOU:Department of Mechanical and Mechatronic Engineering
Date: 1997
Issue Date: 2011-10-20T08:09:23Z
Publisher: Shock and Vibration Journal
Abstract: abstract:Optimal independent modal space control for vibration suppression of beam structures traversed by a moving concentrated force was examined. Two control methodologies, optimal linear quadratic tracking and an optimal linear quadratic regulator, were utilized, with the former approach taking into account the disturbance due to the moving load and the latter one simply ignoring that disturbance. One single actuator placed at the beam center was found to be sufficient to suppress excessive vibration of a beam traversed by the moving load with a reasonable amount of control input. This study shows that excessive vibration of the beam structure induced by the moving load can be more effectively suppressed using the tracking control approach than using the regulator design, even with +/-50% variation of the moving load magnitude or speed from that designed for the tracking control system. (C) 1997 John Wiley & Sons, Inc.
Relation: 4(1), pp.39-50
URI: http://ntour.ntou.edu.tw/handle/987654321/24015
Appears in Collections:[機械與機電工程學系] 期刊論文

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