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Assessment of Static Graviceptive Perception in the Roll-Plane using the Subjective Visual Vertical Paradigm

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Visual Measurement System for Wheel-Rail Lateral Position Evaluation.

Viktor Skrickij¹, Eldar Šabanovič¹, Dachuan Shi²

¹Transport and Logistics Competence Centre, Transport Engineering Faculty, Vilnius Gediminas Technical University, Saulėtekio al. 11, 10223 Vilnius, Lithuania.

Sensors (Basel, Switzerland)

|March 6, 2021

Summary

This summary is machine-generated.

Researchers developed a visual measurement system for evaluating track gauge (TG) in railways. Initial tests show promising stability for lateral track geometry measurement, offering a new low-cost approach.

Keywords:

image processing in-service trains lateral displacement of the wheelset railway track gauge measurement track geometry

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Area of Science:

Civil Engineering
Transportation Engineering
Geomatics Engineering

Background:

Railway infrastructure safety relies on consistent track geometry monitoring.
Current methods often use complex, costly equipment, with limitations in lateral measurements.
Existing low-cost inertial systems excel in vertical, but not lateral, track geometry assessment.

Purpose of the Study:

To develop and evaluate a novel visual measurement system for track gauge (TG) evaluation.
To address the need for accurate lateral track geometry measurement solutions.
To assess the system's accuracy and stability in laboratory and initial field conditions.

Main Methods:

Development of a visual measurement system utilizing image processing for point detection.
Measurement of the distance between detected points on the track for gauge evaluation.
Laboratory accuracy assessment and initial field testing on a straight track section at low velocity.

Main Results:

The developed visual measurement system demonstrated promising accuracy in laboratory evaluations.
The image point selection method proved stable for track gauge (TG) measurement during initial field tests.
The system successfully measured track gauge on a straight section of track.

Conclusions:

The visual measurement system offers a viable, potentially low-cost solution for lateral track geometry monitoring.
The developed point selection technique is stable for track gauge measurement.
Further improvements are recommended for broader application and enhanced performance.