Ensuring the system safety at all times is most important in railway systems where small failures may result in a large number of casualties and property loss. Although there are various design methods, safety precautions, and recommendations of the railway-related safety standards, sometimes the occurrence of accidents cannot be prevented. In this paper, according to the recommendations of the railway-related safety standards, an interlocking system architecture, which consists of two controllers and a coordinator, for a fixed-block railway signaling system is studied. Based on the Petri net models of railway field components, decision-making strategies including fault diagnosis are presented.
Decision-making strategies in fixed-block railway signaling systems: A discrete event systems approach
IEEJ Transactions on Electrical and Electronic Engineering ; 10 , 2 ; 186-194
2015
9 Seiten
Aufsatz (Zeitschrift)
Englisch
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