A Study on the Improvement for EMU Maintenance System of Urban Transit

도시철도 전동차 유지보수체계의 개선에 관한 연구

  • Kim, Kyu-Joong (Daejeon Metropolitan Express Transit Corporation) ;
  • Lee, Keun-Oh (Department of Safety Engineering, Seoul National University of Technology)
  • 김규중 (대전광역시도시철도공사) ;
  • 이근오 (서울산업대학교 안전공학과)
  • Received : 2009.09.02
  • Accepted : 2010.02.12
  • Published : 2010.02.28

Abstract

Urban transit system must secure fast, safe and reliable transportation capacity as a metropolitan mass transit. For this purpose, it is important to make all the sub-systems (which consist of EMU, power feeding, signaling & telecommunication, railway, platform facility, and control system and so on) work well. To operate all the systems effectively and reliably, a maintenance measure optimal to each system's characteristics is needed to be established and executed. So, highly reliable maintenance should be performed. But, EMU maintenance methods suitable to its own model and EMU lines are not yet introduced. This study examined few examples mainly to secure reliability on a maintenance quality in operating method and the features of train maintenance system based on travel distance.

Keywords

urban transit system;maintenance;electric multiple unit(EMU);reliability

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