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Main Title: Visual Measurement System for Wheel−Rail Lateral Position Evaluation
Author(s): Skrickij, Viktor
Šabanovič, Eldar
Shi, Dachuan
Ricci, Stefano
Rizzetto, Luca
Bureika, Gintautas
Type: Article
Abstract: Railway infrastructure must meet safety requirements concerning its construction and operation. Track geometry monitoring is one of the most important activities in maintaining the steady technical conditions of rail infrastructure. Commonly, it is performed using complex measurement equipment installed on track-recording coaches. Existing low-cost inertial sensor-based measurement systems provide reliable measurements of track geometry in vertical directions. However, solutions are needed for track geometry parameter measurement in the lateral direction. In this research, the authors developed a visual measurement system for track gauge evaluation. It involves the detection of measurement points and the visual measurement of the distance between them. The accuracy of the visual measurement system was evaluated in the laboratory and showed promising results. The initial field test was performed in the Vilnius railway station yard, driving at low velocity on the straight track section. The results show that the image point selection method developed for selecting the wheel and rail points to measure distance is stable enough for TG measurement. Recommendations for the further improvement of the developed system are presented.
Subject(s): railway
track gauge measurement
track geometry
lateral displacement of the wheelset
image processing
in-service trains
Issue Date: 11-Feb-2021
Date Available: 10-Mar-2021
Language Code: en
DDC Class: 620 Ingenieurwissenschaften und zugeordnete Tätigkeiten
Sponsor/Funder: EC/H2020/826250/EU/Measuring, monitoring and data handling for railway assets; bridges, tunnels, tracks and safety systems/Assets4Rail
Journal Title: Sensors
Publisher: MDPI
Volume: 21
Issue: 4
Article Number: 1297
Publisher DOI: 10.3390/s21041297
EISSN: 1424-8220
TU Affiliation(s): Fak. 5 Verkehrs- und Maschinensysteme » Inst. Land- und Seeverkehr (ILS) » FG Schienenfahrzeuge
Appears in Collections:Technische Universität Berlin » Publications

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