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Engineering    2016, Vol. 2 Issue (3) : 360 -365     https://doi.org/10.1016/J.ENG.2016.03.016
Research |
New Monitoring Technologies for Overhead Contact Line at 400 km·h−1
Chul Jin Cho1,Young Park2,()
1. Korea University, Seoul 02841, Korea
2. Korea Railroad Research Institute, Uiwang-si, Gyeonggi-do 16105, Korea
Abstract
Abstract  

Various technologies have recently been developed for high-speed railways, in order to boost commercial speeds from 300 km·h−1to 400 km·h−1. Among these technologies, this paper introduces the 400 km·h−1 class current collection performance evaluation methods that have been developed and demonstrated by Korea. Specifically, this paper reports details of the video-based monitoring techniques that have been adopted to inspect the stability of overhead contact line (OCL) components at 400 km·h−1 without direct contact with any components of the power supply system. Unlike conventional OCL monitoring systems, which detect contact wire positions using either laser sensors or line cameras, the developed system measures parameters in the active state by video data. According to experimental results that were obtained at a field-test site established at a commercial line, it is claimed that the proposed measurement system is capable of effectively measuring OCL parameters.

Keywords High-speed railway      Overhead contact lines      Condition monitoring      Image processing based measurement     
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Corresponding Authors: Young Park   
Just Accepted Date: 26 September 2016   Issue Date: 28 September 2016
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Cite this article:   
Chul Jin Cho,Young Park. New Monitoring Technologies for Overhead Contact Line at 400 km·h−1[J]. Engineering, 2016, 2(3): 360 -365 .
URL:  
http://engineering.org.cn/EN/10.1016/J.ENG.2016.03.016     OR     http://engineering.org.cn/EN/Y2016/V2/I3/360
References
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