Ladder Logic implementation for Romanian railway interlockings

Interlockings are critical systems for the railway network which ensure the safety of train operations. While previous generations of interlockings use hardware logic to implement safety functions, electronic interlockings employ different techniques and architectures to comply with strict reliabili...

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Bibliographic Details
Published in2024 16th International Conference on Electronics, Computers and Artificial Intelligence (ECAI) pp. 1 - 5
Main Authors Badau, Florin, Iordache, Valentin, Stan, Valentin Alexandru, Cormos, Angel Ciprian
Format Conference Proceeding
LanguageEnglish
Published IEEE 27.06.2024
Subjects
interlocking
ladder logic
Logic
PLC
Programming
rail system
Rail transportation
relay
Reliability
Safety
Termination of employment
Topology
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Summary:Interlockings are critical systems for the railway network which ensure the safety of train operations. While previous generations of interlockings use hardware logic to implement safety functions, electronic interlockings employ different techniques and architectures to comply with strict reliability and redundancy standards. Ladder Logic has been used for decades for industrial automation, which has witnessed a transition from relay-based to PLC-based systems. This paper proposes a standard for translating relay interlocking schematics into Ladder programmes. The proposed model is evaluated against a physical relay interlocking.
DOI:10.1109/ECAI61503.2024.10607527