ABSTRACT

In a validation phase, the raw data from tests conducted for homologation in Germany are compared to simulation results in order to demonstrate that the simulation model can accurately predict the behaviour of the train. Validation has been conducted for two specific curved track sections with a tight radius curve where R = 279 m, and medium curve where R = 850 m. These events were chosen due to special behaviour of the vehicle during the running of the two selected curves. The test data was obtained from TÜV-Süd from tests in 2011 for HSG-2, through the usage of special test wheelsets that continuously record all lateral and vertical forces on the wheels. The test data is presented as recordings of Y/Q, Y, Q and SY over time. In the paper, the results show necessary parameter variations to get good agreement between test and simulation data. Once the model validation was completed and the reasons for a bad radial alignment of the steering bogie were understood, wear simulation were performed in order to adopt the rail profiles used in simulation to the likely situation in reality.