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Title: Visual Measurement System for Wheel–Rail Lateral Position Evaluation
Authors: Skrickij, Viktor
Šabanovič, Eldar
Shi, Dachuan
Ricci, Stefano
Rizzetto, Luca
Bureika, Gintautas
Keywords: railway
track gauge measurement
track geometry
lateral displacement of the wheelset
image processing
in-service trains
Issue Date: 2021
Publisher: MDPI
Citation: Skrickij, V.; Šabanovič, E.; Shi, D.; Ricci, S.; Rizzetto, L.; Bureika, G. Visual Measurement System for Wheel–Rail Lateral Position Evaluation. Sensors 2021, 21, 1297.
Series/Report no.: 21;4
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.
Description: This article belongs to the Special Issue Data Acquisition and Processing for Fault Diagnosis
ISSN: 1424-8220
Appears in Collections:Moksliniai straipsniai / Research articles

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