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Quelle: Bombardier

Development project „SAFE On-Line“

In fact, the formation of damages at wheelset axles on rolling stock are incalculable and unpredictable events while the initial detection is indispensable to repairing the damaged vehicle. Until now, the axles were examined in order to find the cracks during the common maintenance intervals using the conventional ultrasonic inspection, which represents an intensive expenditure of time and fees for the operator. The project “SAFE On-Line” covers the development of a software and hardware architecture for a sensoring system to monitor the damages of wheelset axles. The new measurement system and analysis method is based on “Ultrasonic Guided Waves” and “Principal Component Analysis”.

Actually, the main challenges of the project lie on the experimental verification of the functionality of the sensor system, since the measuring technology must be validated for the demanding operating environments of the wheel set (shocks, moisture, dirt, temperatures ...). Further key aspects of this project are energy-efficient signal generation, measuring point management, the associated data acquisition, transmission and evaluation.

Partners of the three-year joint project, which started on 1st May 2017 and which is successfully competed in the leading market competition MobilitätsLogistik. NRW, are the Bombardier Transportation GmbH, the University of Siegen with the two chairs “Technical Mechanics” and “Embedded Systems”, the SONDEV GmbH and the W.S. Werkstoff Service GmbH, as well as Alpha Trains Europa GmbH.

Bombardier Transportation GmbH takes over the role of a System Integrator and Project Management during all project phases and will support all activities in advisory capacity.

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