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Performance Assessment of High-Speed Transponder System for Rail Transport on High-Speed Line

철도교통용 고속 트랜스폰더시스템 고속선 실차 성능평가

  • Park, Sungsoo (Signalling & Communication Research Team, Korea Railroad Research Institute) ;
  • Lee, Jae-Ho (Signalling & Communication Research Team, Korea Railroad Research Institute) ;
  • Kim, Seong Jin (Signalling & Communication Research Team, Korea Railroad Research Institute)
  • Received : 2016.03.18
  • Accepted : 2016.05.24
  • Published : 2016.06.30

Abstract

It is necessary to receive telegrams transmitted by transponder tags installed along the track in order to detect the exact position of a high-speed train. In a high-speed railway environment, telegrams can be corrupted by the electromagnetic interference that comes from onboard electric train power equipment or wayside devices. In this study, we verified the railway environment compatibility of a high-speed transponder system developed as a train position detection system. We installed transponder tags on the Honam high-speed line and measured the number of error-free telegrams received from the transponder tag while the HEMU-430X was running at 268km/h~334km/h. Based on the measurement, we estimated the length of the contact zone formed between the transponder reader and tag. Field test results allow us to estimate how many error-free telegrams can be received when HEMU-430X is at speeds up to 400km/h.

고속열차의 정확한 위치를 검지하기 위해서는 차상에 설치된 트랜스폰더 리더가 지상에 설치된 트랜스폰더 태그로부터 텔레그램을 오류없이 정확하게 수신하여야 한다. 고속철도 환경에서 텔레그램 수신 성능은 선로 변에 설치된 전기/신호 설비 및 열차에 설치된 전장품으로부터 발생하는 전자기 간섭의 영향을 받는다. 본 연구에서는 열차 위치검지시스템에 절대위치를 제공하기 위해 개발된 철도교통용 고속 트랜스폰더시스템 시작품의 철도환경 적합성을 검증하기 위하여, 호남고속선에 트랜스폰더 태그를 설치하고 HEMU-430X가 268km/h~334km/h로 운행할 때 트랜스 폰더 리더가 각 태그로부터 텔레그램을 오류없이 몇 회 수신하는지 측정하는 방식으로 실차 테스트를 수행하였다. 이를 바탕으로 트랜스폰더 리더와 태그 사이에 형성된 컨택 존의 길이를 추정하고, 400km/h의 고속주행환경에서 태그로부터 오류없이 수신가능한 텔레그램 개수를 예측하였다.

Keywords

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