Fundamentals of Implementation of Safety Movement of Trains under Integration of Control Systems with Hardware for Railway Infrastructure Facilities Monitoring

The authors show that safety systems of railway automation and remote control can't ensure safety when reaching the limit states of railway infrastructure objects with which they do not directly interact. This is the cause of the train traffic safety incident. Conditions for the safety train control system architecture are formulated. The necessity of integration of hardware for diagnostics and monitoring with train control systems in railway transport for the implementation of the barrier function is noted. It is proposed to output the alarm signal through the hardware interfaces to the train control systems for the speed limits data communication to the train movements controller and the locomotive driver when passing the object under test (up to a complete stop).

I. Introduction

Technical diagnostics and monitoring (TDM) systems are widely used in the field of automation of processes control and production, which fully applies to the infrastructure of the railway complex. In each of the facilities (artificial structures, tracks, power supply, automation and remote control, etc.), to maintain high failure robustness and safety of railway infrastructure objects, both manual and automated methods of technical diagnostics and monitoring are used. However, all these methods are designed to automatically obtain diagnostic information for its subsequent analysis by expert technologists. Therefore, TDM systems currently implement only one key function - automatic data acquisition & storage to automate maintenance procedures.