Collaborative Digital Twin Development for Railway Braking and Traction Applications

The paper presents the collaborative development of adigital twin for railway braking and traction applicationsas part of the ERJU MOTIONAL project. The project’s goal isto enhance the efficiency, user-friendliness, andmaintainability of European railways through theapplication of digital twin concepts across nine distinctuse cases. Contributing components are shared in a commonlibrary as Functional Mock-up Units (FMUs), enabling thecreation of digital twins for various applications.Specifically, this study focuses on the braking andtraction use case for virtual validation purposes. Thepaper details the vehicle dynamics model, control units,and their interfaces, presenting simulation results underdiverse adhesion conditions. Additionally, it highlightsthe potential benefits of digital twins in optimizingrailway operations and monitoring system integrity,ultimately enhancing the reliability and efficiency ofrailway transportation.