Independent technical and operational assessment of ATO GoA2 implementation variants
Customer: Rhaetian Railway, Switzerland
Project tasks
- Expert interviews
- Technical and operational assessment
- Independent evaluation of implementation variants
Our Approach
As part of the development of a technical specification for equipping an existing vehicle fleet with a driver assistance system (DAS) / ATO GoA2 (Automatic Train Operation, semi-automatic operation) , PROSE supported Rhaethian Bahn AG (RhB) with neutral expertise on technical implementation variants.
Specifically, the focus was on the interface and functionality to be implemented for the interface between the DAS and the vehicle control system, as well as the interaction of the locomotive crew with the DAS. In particular, the different implementation variants focused on the DAS activation and implementing the traction/braking force target values on the vehicle.
Based on the European specification analogue to SUBSET-125 and SUBSET-139, the adapted draft specifications, and internal implementation proposals, PROSE carried out a neutral evaluation of the variants using a two-stage methodology.
In the first step, selected RhB representatives from the areas of vehicle technology and locomotive personnel were interviewed. The purpose of the interview was to determine the significance of the individual evaluation criteria.
In the second step, the PROSE experts verified the fulfilment of the criteria for both variants based on the technical specifications and the expert interviews. In particular, the opportunities, risks, suitability for vehicle acceptance, migration capability, acceptance of the systems by the locomotive personnel, and an initial qualitative assessment from the HOF (Human-Organisational-Factors) perspective of the variants were compared and evaluated.
Customer benefit
RhB benefited from the neutral and independent assessment of the PROSE experts and the methodical approach involving the relevant internal representatives. PROSE’s expertise ensured fast and efficient processing and the necessary depth of detail.
