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This paper presents the concept of a digital twin for the ETCS application. The ERTMS system is a technical solution aimed at ensuring interoperability of the railway system in the field of signalling within the European Union. It is also an important factor in the digitisation and automation of railways. Due to its complexity, it needs solutions to support its activities in all phases of the life cycle, in particular design, implementation, maintenance and operation. A digital twin is a virtual representation of a real system. According to many definitions, this mapping should be as close to identical as possible. Such a mapping should, by definition, accompany the real system throughout its lifetime, providing a consistent description of the current state and history of its operation. This mapping should be the primary source of information about the real system for all stakeholders interested in its operation. This paper presents the basic assumptions of the Digital Twin of the ETCS application in terms of its structure and its application to the verification of its correctness. |
