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Objectives of the TRAINDY Project

The main purpose of calculating longitudinal dynamics is to assess risks in rail operations, such as that of derailing or unintentional separation of trains. Thanks to TrainDy the number of test runs can be reduced (which can lead to savings of up to one million Euros per test run).

This new system simulates all parameters linked to longitudinal dynamics with maximum precision. Moreover, it maps the complex interaction between brake components. Train shunting can be modelled very easily by selecting a locomotive or a wagon from a database after defining a track section and running conditions on the basis of distance, speed or time. Subsequently the limit and initial conditions are determined so that the system can calculate the resulting pressures, speeds and forces partes proportionales. This enables the user to determine the tolerance ranges of various vehicle components to be taken into account in the calculation (longitudinal and vertical forces, roll and pitch).

Such accurate simulation allows rail operators to calculate the level of safety of a specific train in terms of longitudinal dynamics. Agreeing on an international safety level for rail operations will benefit the European rail sector, thanks to internationally standardised rail traffic. The aim is to define an internationally recognised risk analysis system to ensure that the current level of safety is maintained. This can be achieved with the help of the new TrainDy software, with the calculation procedure for the safety level also to be developed.

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