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http://dx.doi.org/10.5207/JIEIE.2010.24.1.160

Study on Design of Rail Level Crossing System for Preventing from Non-Alarming Status Caused by Track Shunting Sensibility Errors  

Jang, Dong-Wan (서울산업대학교 산업대학원)
Jeon, Tae-Hyun (서울산업대학교 전기공학과)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.24, no.1, 2010 , pp. 160-166 More about this Journal
Abstract
Railroad level crossing systems are used to prevent train from collisions by informing pedestrians and vehicles of approaching trains on the level crossing. The current detection systems mostly use track-based electrical circuits to detect approaching trains. The making and breaking of the circuit when the train wheel passes along the track sends a signal to barriers that restrict access to the track. Unfortunately, this track-based signal system is vulnerable to malfunctions in certain situations. If the rail becomes rusted due to moisture, weather conditions, or infrequent use, the electrical circuit detection system could fail. Such a failure could lead to a train-vehicle or train-pedestrian collision. This paper suggests a replacement of the electrical circuit-based system with an infrared detection system. The research shows that an infrared detection system improves safety by reducing the frequency of detection failure of the alarming circuit to system.
Keywords
Railroad Level Crossing; Track-Based System; Infrared Detection; Track Shunting Sensitivity Error;
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