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The railway signaling system has recently achieved realization of new functions by using assurance technology. By constructing systems in stages, making both control data and information data coexist on the same network, and realizing coexistence of both old and new systems, we succeeded in introducing a large-scale system as well as system change. This method also improved services to customers such...
We have developed a novel railway signal control system that operates as a distributed system. It consists of a central control unit (called LC) and terminal devices (called FC) that are distributed at the railroad wayside aid operate signal devices. The Internet technologies and optical LAN technologies have been used as communication methods between the LC and the FCs. While handling enormous amount...
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