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 architecture, Autonomous Decentralized Railway Signalling System is proposed and example of flexible route configuration which autonomously configures fault avoiding route with considering train schedule is introduced. And it is confirmed that the proposed architecture is effective for practical railway signalling system.
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