Quarterly Report of RTRI
Online ISSN : 1880-1765
Print ISSN : 0033-9008
ISSN-L : 0033-9008
PAPERS
Investigation to Suppress Bending Vibration of Railway Vehicle Carbodies Using Piezoelectric Elements
Tadao TAKIGAMITakahiro TOMIOKA
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2005 Volume 46 Issue 4 Pages 225-230

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Abstract

The goal of this study is to reduce the bending vibration of railway vehicles by applying a vibration suppression technique that utilizes piezoelectric elements electrically shunted by an external circuit. This paper presents an investigation that uses a scale model of a Shinkansen vehicle about 5m long. Small pieces of piezoelectric elements are bonded to its floor structure and electrically connected to a shunt circuit featuring a design based on a newly proposed method. The results of excitation tests show that the bending vibration of the carbody can be reduced successfully.

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© 2005 by Railway Technical Research Institute
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