IRT Railenium (http://railenium.eu/fr/) is a test and applied research center for the rail industry in France. One of its three R&D and innovation programs aims in particular to provide the technological tools and bricks necessary for the development of the Autonomous Train. This Autonomous Train program will thus address signaling, control-command, driving and railway operating systems. The Autonomous Freight Train project under the Autonomous Train program with the cooperation of several partners ("SNCF", "ALSTOM", "Hitachi Rail STS France", "ALTRAN" and "APSYS") targets performance improvements of the system thanks to the implementation of autonomy in railways operations. This system is classified as Cyber-Physical System (CPS) and depends more and more on effective solutions that can address heterogeneity and interplay of physical and software elements. In particular, modeling languages used for specifying CPS should incorporate, in a consistent manner, the essential concepts from multiple engineering disciplines that take part in the design of such systems.
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