SS026
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Thoughts on AI-defined safety-critical systems, ERTMS development, and the SS026 journey

March 30, 2026AIERTMSSafetyOpinion

AI-Developed ETCS/ERTMS: 60 Hours, One Engineer, A Complete System

A candid reflection on building a complete safety-critical ETCS/ERTMS system with AI agents in 60 hours — what worked, what didn't, and what it means for the industry.

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March 29, 2026AISafetyERTMSSIL4

AI-Defined Safety-Critical Systems: A New Paradigm

How AI assistance is transforming the development of SIL4 railway signalling systems, demonstrated through the SS026 ERTMS/ETCS implementation.

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March 29, 2026VideoSimDeskTestingSystem TestsDemo

SimDesk in Action: End-to-End ETCS System Testing

A walkthrough of the SimDesk desktop application running closed-loop system tests with a real EVC, RBC, and train dynamics simulator interacting in real time.

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Written in Rust · no_std SIL4 core · Zero heap allocation in safety layers
"An honest 80% is worth more than a dishonest 100%"Built with Claude · 2026