Quantitative dependability evaluation of train control systems in presence of uncertainty: a systematic literature review

Technological advances in Train Control Systems (TCSs) hold substantial promise for revolutionizing railway transportation de- pendability in terms of safety, availability, and operational capacity. This transformation is primarily driven by cutting-edge distancing policies such as Moving Block (MB) signaling and Virtual Coupling (VC), which are powered by sophisticated train localization technologies including satellite-based positioning systems. At the same time, these technolog- ical advances raise notable concerns about the effects that uncertainty in critical TCS parameters, such as train position and speed, may have on dependability-related attributes. This is an extended abstract of the journal paper [6], where a comprehensive systematic literature review in- vestigating quantitative methodologies for assessing TCS dependability under uncertain conditions is presented. Through selection and analysis of 42 peer-reviewed publications spanning 2011-2023, we provide em- pirical insights and a taxonomic framework on research and practice in quantitative dependability assessment of TCSs.