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Announcement Signals and Automatic Braking Using Virtual Balises in Railway Transport Systems.

Enrique Santiso1, José A Jiménez1, Manuel Mazo1

  • 1Department of Electronics, University of Alcalá, 28805 Alcalá de Henares, Madrid, Spain.

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Summary
This summary is machine-generated.

This study introduces announcement signals and automatic braking using virtual balises (ASAB-VB) to enhance railway safety. The ASAB-VB system enables temporary automatic protection on track sections lacking physical balises, improving train control.

Keywords:
ASAB-VBautomatic train protection systemsdigital maprailway transportrailway transport safetyvirtual balise

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Area of Science:

  • Railway Engineering
  • Automation and Control Systems
  • Transportation Safety

Background:

  • Current railway automatic protection systems rely on fixed physical balises.
  • The absence of balises on certain track sections limits temporary automatic protection capabilities.
  • Unforeseen circumstances like track work or accidents necessitate flexible protection measures.

Purpose of the Study:

  • To propose a novel system, announcement signals and automatic braking using virtual balises (ASAB-VB), for enhanced railway safety.
  • To enable temporary automatic protection actions on track sections without physical balises.
  • To integrate real-time train positioning with a digital track map for dynamic safety management.

Main Methods:

  • Development of the ASAB-VB system for incorporating virtual balises.
  • Real-time train positioning using a fusion of GNSS, odometer, and inertial systems (gyroscope and accelerometers).
  • Creation and utilization of a digital track map including both physical and virtual balise locations.

Main Results:

  • The ASAB-VB system successfully allows for the placement of virtual balises at necessary track locations.
  • Real-time train positioning is achieved through multi-sensor data fusion.
  • The system facilitates the generation of automatic protection actions based on dynamic track information.

Conclusions:

  • The ASAB-VB system offers a viable solution to overcome the limitations of fixed physical balises in railway automatic protection.
  • Virtual balises enhance the flexibility and effectiveness of train control systems, particularly in dynamic operational scenarios.
  • This technology contributes to improved railway safety and operational efficiency by enabling adaptive protection measures.