Successful test for recognizing of obstacles on train route

Published on 18/04/2022
Karel Novak

System can "see" obstacle up to 1 kilometer in all-weather conditions.

Successful test for recognizing of obstacles on train route
alstom.com

Alstom together with Elta Systems and its smart mobility spin-off NIART have successfully performed Obstacle Detection System (ODS) tests in Oosterhout, near the city of Breda in the Netherlands. These tests, which were conducted with Dutch infrastructure manager ProRail and rail freight operator Lineas have demonstrated that the ODS installed on-board the locomotive is able to detect obstacles up to 1,000 metres away in all-weather and visibility (day and night) conditions. It can be operated as a Driver-Assistance-System, as well as a fully automated system in conjunction with Alstom’s AutoPilot component. These tests were performed during the ongoing ATO tests on shunting trains in GoA level 4 of automation.

“Thanks to ODS and NIART’s expertise, the locomotive is able to detect both large obstacles such as a car and smaller ones such as a rabbit or human being, both during the day and at night,” said Abel Poelaert, Customer Director Alstom Benelux. “The tests we performed helped us to successfully resolve some small issues. The results are very encouraging and exciting.” 

NIART’s ODS is a perception system based on an innovative High Resolution Digital Radar fused with Multi-Spectral Electro-Optics backboned by powerful Classical and Machine Learning algorithms to detect and classify obstacles on the train route at 1,000 metres distance, in all weather and visibility conditions. The system is a complete self-contained on-board solution able to provide the locomotive driver with an early alert and actionable insights to ensure safety and reliability of the route, especially in harsh weather conditions.

The game changer is the radar, that scans the path ahead as fast as 200 times a second and utilises high-resolution imaging technics to analyse the scene and detect obstacles further than one kilometre away, even when the visibility for driver and optic-based systems is degraded. Elta Systems’ experience in imaging techniques used in Ground and Space-Borne systems is ported to the automotive world, to solve one of the major challenges of railway automation - reliable operation in all weather conditions.

The next phase of the pilot project in the Netherlands, which will be performed in the coming weeks, will be to test ODS in combination with ATO. The final goal is to have a shunting locomotive which will drive completely on its own, to fully integrate ODS with ATO systems and therefore, to enable GOA3-4 operation for future autonomous trains. These next test phases will be carried out before the end of the summer.

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