Digital ATC Support For The RAMS Standard
Author(s)
T. Nakamura, T. Tsurumaki, Y. Sugita & K. Tashiro
Abstract
A RAMS (Reliability, Availability, Maintainability and Safety) document
concerned with a brand new digital ATC (Automatic Train Control) system has
been developed in proportion to IEC 62278. The ATC system is going to be
applied for the most important commuter lines in the Tokyo Metropolitan Area
in place of the present analog ATC system. East Japan Railway has taken a
leading role in the safety and reliability field from the system development
phase. Thorough documentation activities had been kept from the principle
examination stage in 1996 prior to the establishment of the IEC standard. The
digital ATC realizes shorter train headway, and improves riding comfort. Its train
control functions are as follows.
(1) An ATC logic controller generates stop point information based on areas
such as the position of the preceding train, and tran
Keywords
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