Abstract
Abstract –Recently, various monitoring systems have been proposed to detect interaction performance between trains and infrastructure, as well as, various techniques to improve the accuracy and performance of such inspection equipment in high speeds. Especially, it is important to predict electric noise of high speed trains due to its effect on detection system accuracy. In this paper, we analyze various types of electrical noise in electric vehicles to improve the accuracy of the detection module of the inspection car. In detail, analysis of electric noise of high speed railway is performed as a function of speed based on field tests that were carried out by HEMU-430X (Highspeed Eletric Multiple Unit - 430 km/h eXperiment). Key Words : Inspection car, Railway infrastructure, Maintenance equipment† Corresponding Author : School of Electronic and Electrical Engineering, Sungkyunkwan University, Korea.E-mail: jaehyeong@skku.edu* Dept. of High-Speed Railroad Research Center, Korea Railroad Research Institute, Korea** School of Electrical Engineering, Korea University, Korea*** School of Electronic and Electrical Engineering, Sungkyunkwa n University, Korea.Received : March 27, 2015; Accepted : April 29, 2015
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