Paper Title:
A Study on the Method of Vibration Analysis for Korean High Speed Train by the On-Line Test
  Abstract

The Korean High Speed Train (KHST) has been tested on the Kyongbu high speed line and the Honam conventional line since 2002. A data acquisition system was developed to test and prove the dynamic performance of the KHST, and the system has been found to be very efficient in acquiring multi-channel data from accelerometers located all over the train. Also presented in this paper is an analysis procedure which is simple and efficient in analyzing the acceleration data acquired during the on-line test of the KHST. The understanding of system vibration mode for a railway vehicle is essential to evaluate the characteristics of a dynamic system and to diagnose the dynamic problems of the vehicle system during tests and operations. Methods based on homogeneous linear systems are not realistic because real systems have nonlinear characteristics and are strongly dependent on environmental conditions. In this paper an efficient method of vibration analysis has been proposed and applied for the KHST to evaluate its vibration mode characteristics. The results show that this method is suitable to estimate the system vibration modes of the KHST.

  Info
Periodical
Key Engineering Materials (Volumes 321-323)
Edited by
Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi
Pages
1593-1596
DOI
10.4028/www.scientific.net/KEM.321-323.1593
Citation
C. K. Park, K. W. Kim, J. Y. Mok, Y. G. Kim, S. W. Kim, "A Study on the Method of Vibration Analysis for Korean High Speed Train by the On-Line Test", Key Engineering Materials, Vols. 321-323, pp. 1593-1596, 2006
Online since
October 2006
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Price
$32.00
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