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대구도시철도 1호선 전동차 ATP/ATO System 개량 연구
박주열(J. Y. Park),김효상(H. S. Kim),진병삼(B. S. Jin),박재완(J. Y. Park),김봉택(B. T. Kim),이준환(J. H. Lee) 한국도시철도학회 2015 한국도시철도학회논문집 Vol.3 No.2
On-Board Signaling equipment for the rail car is similar as a nerve network of human body which needs high reliability and stability. Daegu metro line 1 was opened to the public on July 1997 and it is providing reliable and stable large-scale transportation for the Daegu citizens up to the present. But, for 18 years of long operation, equipments are being obsolete and it is now facing several problems on maintaining and repairing the product because spare parts of the equipments are no longer manufactured. Specially, ATP/ATO train signaling equipments of Daegu metro line 1 needs to have continuous support and functional upgrade because of relatively long runtime and unstable running environment which is different from ground signaling equipment. In this paper we have improved the difficulties of analysing and preventing recurrence of malfunction on the ordinary train signaling equipment which is unable to save and view the processing information data because limitations of circuit organization and usage of supplier"s hardware & software