SIGNAL+DRAHT | Issue 12/2020

Reliability, availability and maintainability in interlocking technology – the development of an availability model for signal boxes

December 2020 | Jan Günther, Jan Michael Viethen

The maintenance departments at DB Netz AG are facing a challenge: the rail infrastructure is being increasingly subjected to significant strain, but at the same time it is also expected to meet high demands in terms of availability and punctuality. The new Reliability-Availability-Maintainability (RAM) model for interlocking technology has been developed against this backdrop and it promises to deliver considerable efficiency and productivity gains, while also working towards the overarching goal of consistently improving system availability...

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