Digital twin–based autonomous non-contact rail wear measurement system

The digital twin-based autonomous driving system addresses inefficiencies in rail wear measurement by enabling autonomous rail movement and real-time control, achieving faster and more accurate wear assessment with reduced manual intervention and system size.

WO2026127194A1 Publication Date: 2026-06-18LOBSE CO LTD
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
LOBSE CO LTD
Filing Date
2024-12-13
Publication Date
2026-06-18

AI Technical Summary

⚠Technical Problem

Existing rail wear measurement systems are inefficient, inaccurate, and time-consuming due to manual operation, requiring improvements in speed and accuracy while minimizing operator intervention.

⚗Method used

A digital twin-based autonomous driving non-contact rail wear measurement system that includes a rail moving device capable of autonomous movement and fixation, incorporating digital twin technology for real-time verification and control, with a lightweight and miniaturized configuration that separates the stepper motor from the rotating sensor unit, and allows simultaneous measurement of both rails using connected measuring units.

🎯Benefits of technology

Enables accurate and rapid rail wear measurement by autonomously moving and fixing the rail moving device, allowing real-time control, and preprocessing measurement data to exclude errors, resulting in improved measurement speed and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a non-contact rail wear measurement system and, more specifically, to a digital twin-based autonomous non-contact rail wear measurement system, which is configured such that a rail-moving apparatus moves autonomously along a rail and is fixed at a specific location for measurement, rather than being manually moved by an operator. By integrating digital twin and autonomous driving technologies, the system allows for real-time monitoring and control of the operation of the rail-moving apparatus from a control room. Moreover, by reducing the weight and size of a configuration that rotates along a rail head for wear measurement, the system improves measurement accuracy and speed. For the simultaneous measurement of a pair of railway rails, one of a pair of measurement units is designed to include only a moving support unit, a rail fixing unit, and a sensing device of the rail moving apparatus, thereby reducing the overall weight and size of the pair of measurement units. Furthermore, the system enables regions expected to experience rail wear to be selected and wear measurement to be performed on the corresponding regions. In addition, the system analyzes environmental factors that may cause errors during the measurement process and pre-processes measurement data expected to have caused errors as noise, thereby enabling more precise measurement of a wear state of the rail head.
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