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Condition Monitoring of Shinkansen Tracks based on Inverse Analysis

Volume 10, Number 5, July 2014, Paper 1 pp 443-452

TAKAHITO KOBAYASHI1, YASUKUNI NAGANUMA2 and HITOSHI TSUNASHIMA3

1 Graduate School of Nihon University, Narashino-shi, Chiba 2758575, JAPAN
2 Nippon Kikai Hosen KK., Minato-ku, Tokyo 1080075, JAPAN
3 Nihon University, Narashino-shi, Chiba 2758575, JAPAN

(Received on February 1, 2013, revised on Nov., 18, 2013, and April 14, and April 30, 2014)

Abstract:

This paper demonstrates the possibility to estimate the track irregularities of Shinkansen tracks using car-body motions only. In an inverse problem to estimate track irregularity from car-body motions, a Kalman Filter was applied to solve the inverse problem. This technique is utilized to estimate the track irregularity in longitudinal level. It can be concluded that the track irregularity estimation in longitudinal level is possible with acceptable accuracy for practical use with method.

 

References: 7

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