The new CEN Technical Report for the use of simulations is contributing to the development of the railways of the future

CEN and CENELEC is proud to contribute to the development of simulation as alternative to physical tests in railways with the new CEN/TR 17833:2022 developed by CEN/TC 256 ‘ Railways applications’ in close collaboration with CENELEC Rail experts (CENELEC/TC 9X). 

Developing safe, sustainable, and interoperable trains and infrastructure requires phases of tests by manufacturers, operators, and infrastructure managers. These simulation phases rely massively on physical tests that can be very costly and time-consuming to organize. Developing solutions to facilitate simulations in digital environment is a key challenge for the trains of the future and the need for standardization in this area is increasingly crucial. 


This new technical report provides guidance for the use of simulations to demonstrate compliance with technical and regulatory requirements as well as the introduction and development of simulation requirements into standards.


The aim of this document is to help CEN and CENELEC Working Group convenors and experts to develop simulations in their standards as an alternative to physical tests for proving conformity. It can also provide useful guidance to assessors in the railway sector in approving simulations where they are not yet specifically defined or where physical tests on the real system are not defined in standards. Consequently, CEN/TR 17833:2022 is also relevant to companies developing and applying simulations with the intention to achieve system validation.  


It is not intended to provide technical guidance on applying simulations in general. Where simulations are already introduced in existing standards, this guide is not intended to modify the specified requirements. However, technical harmonisation between standards might benefit from this guide for the introduction of alternative methods for simulations. This document covers the following aspects: numerical simulation; using complex methods or using simple spreadsheets methods; hardware and software in the loop; and mathematical models solved using numerical methods or iteration.  


With the new CEN/TR 17833:2022, CEN/TC 256 lays a new important stone in the path of standardization work in support of the European railways community! 


CEN/TR 17833:2022 was developed by CEN/TC 256, whose secretariat is held by DIN



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