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Along with sophistication of society, requirements for infrastructure systems are also becoming more sophisticated. Conventionally, the infrastructure system has been accepted if it is safe and stable, but nowadays it will be required for serviceability as a matter of course. For this reason, not only expansion of the scope of the control system but also integration with the information service system...
East Japan Railway Company developed the IP Networkbased Signal Control System, which was introduced into service in February 2007, with an innovative change of the control techniques for wayside signaling devices from power control through conventional metallic cables to digital information control through an optical network. This system is intended to improve the quality of construction of signaling...
Recently, social environment has been greatly changing and this situation prompts social infrastructure such as railway system to be rapidly and frequently evolved. To meets this requirements the HRTAIS is proposed and it is clarified that the assurance feature becomes higher than that of current system architecture such as hierarchical system architecture by simulation. As an application of the proposed...
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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