Formation of operational indicators multi-factor matrices under different variants of single-track polygon configuration and interval train control systems

   At the present stage, the significant development of automation and telemechanics systems has led to a variety of railway network operation modes, in connection with that a more detailed study is required to determine the potential of interval train control systems to improve the efficiency of the transportation process on single-track railway polygons.

   The aim of the work is to evaluate the efficiency of different variants of interval regulation on single-track polygons in conditions of traffic size growth and destabilising factors combinations in comparison with transition to a double-track configuration of the polygon.

   Multi-approach modelling is used to simulate the operation of the polygon, including application of process approach for simulation of on-duty personnel actions on train passing, agent-based modelling for simulation of train mode selection and system dynamics for real-time traction calculations. The approach to estimation of interval regulation efficiency application on the basis of indicators and configuration matrices analysis of single-track polygon is offered. In a double-track configuration of the polygon, increasing traffic sizes, coupled with destabilising factors reduce the route speed, while in a single-track configuration, in addition to slowing down the train flow, they cause a capacity deficit leading to an increase in the amount of required infrastructure. Significant improvement of indicators and reduction of requirements in additional infrastructure at single-track configuration provide transitions from traditional autoblocking with «fixed» blocks to virtual coupling and from autoblocking with «moving» blocks to coordinate system of interval regulation. Interval regulation on a single-track polygon can become one of the effective tools of transport process intensification, allowing to reduce extensive increase of the polygon infrastructure. It should be noted that there is no universal variant of interval regulation for single-track polygons and it's necessary to change the existing infrastructure to maximise the potential of this technology.

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