Taking into account the nature of signalling and automation systems, X2Rail-2 aims to improve the performance at a railway system level by introducing new functionalities at sub-system level as well as on the architectural level that should revolutionize the signalling and automation concept for the future (see Figure 1).
X2Rail-2 follows a holistic system approach to create the building blocks for Shift2Rail IP2. Thus, the outcomes at individual technology level will be combined to bring a benefit at system level.
The key technologies within X2Rail-2 cover GNSS application in Railway and advanced technologies for implementing new signalling and automation functionalities. These functionalities are addressed in individual but interconnected work streams, each focusing on different key technologies such as safe on – board systems, TMS, etc.
In order to enable a rapid ramp up of these new technologies, new lab test strategies and environments are addressed as well in cooperation with ongoing IP2 projects (e.g.: X2Rail-1), facilitating the approval and time-to market procedures. To make best use of technical innovations developed and provided by other sectors, X2Rail-2 consists also of non-railway domain partners that will provide knowledge for possible adaptation of relevant and emerging technologies to the railway system.
Figure 1: Overall Concept of X2Rail-2 project
WP1 - Project ManagementThe objectives of this work package are to ensure efficient and effective
Coordination of the project
Management of the consortium and contract management
Administrative and financial management
Quality managementWP2 - Technical Coordination & System CoherenceThe objective of this WP is to coordinate the four technical work packages (WP3, WP4, WP5, WP6) and the dissemination work package (WP7) to create a single project that addresses the whole subject of research and innovations in X2Rail-2 in coherence with the ongoing and future and concurrent S2R IP2 research and development activities.WP3 - Fail-Safe Train Positioning (including satellite technology)The objective of WP3 is the development of a fail-safe, multi-sensor train positioning system by applying GNSS technology to the current ERTMS/ETCS core and by using new technologies (e.g. inertial measurement units) or of other on-board existing sensors (e.g. accelerometers, odometer sensors). This Fail-Safe Train Positioning will be specified, developed and verified to guarantee the backward compatibility with existing ERTMS systems and the key ERTMS interoperability requirements. The application of this Fail-Safe Train Positioning aims to boost the quality of train localization and integrity information, while also reducing overall costs, in particular by enabling a significant reduction in all track-side conventional train detection systems (balises, track circuits, axle counters, etc.). WP4 - On-board Train IntegrityThe on-board train integrity (OTI) designed in WP4 will have the main goal to autonomously verify the completeness of the train, while train is in operation. If the train tail is advancing coherently with the front of the train and the distance between the first and the last pieces of rolling stock remains unchanged it means that all is working correctly. Otherwise, the on-board system will detect the loss of train integrity, will apply the defined actions and will inform the Radio Block Center (RBC).
The OTI system will also contribute to implement the concept of Moving Block delivered by on-board equipment. This will be a significant advantage not only in terms of capacity and shorter headways, but also in terms of removal of track infrastructures, reduction of maintenance costs and resiliency. WP5 - Formal Methods and standardization for smart signalling systemsThe Formal Methods designed in WP5 will have the main goal to propose suitable formal methods for requirement capture, design, verification and validation of railway signalling systems and applying for development of signalling systems with standardized interfaces and operational scenarios. WP6 - Traffic Management evolutionThe Traffic Management Evolution in WP6 is the first system design integrating all rail operation track-side based services. The heart of the entire system is the Integration layer linking the different Rail operation services amongst one another, with the infrastructure/vehicles and with external clients. Therefore the key interfaces will be standardized to secure compatibility and long-term applicability of all existing and new subsystems. The integration of legacy installations with different data structures will be covered. The Integration layer will provide a standardized scalable data-format to secure seamless and automated data exchange between the different clients to enable the integration of dynamically updated data from various services into a decision-making processes. This generic Trackside ICT is one of the key enabler to achieve the different targets of S2R such as capacity increase, cost reduction and increase of reliability of rail traffic operation.
The new Traffic Management will carry the development of a generic framework for applications allowing plug and play installation, a standardized multi-purpose workstation and advanced business logic applied for traffic regulation and operation covering the need for improving existing procedures and enabling the execution of new functionalities such as ATO and Moving Block developed under the S2R program to secure an increase of capacity and a reduction of cost. WP7 - Exploitation, Dissemination and CommunicationThis WP seeks to ensure proper dissemination and promotion of the project and its results, in a way which is consistent with the dissemination and promotion activities of the Shift2Rail JU and the already ongoing IP2 project X2Rail-1. It will ensure that the outputs of the project are delivered in a form which makes them immediately available for use by the IP2 within Shift2Rail. The WP7 will make use of the results stemming from all other work packages and foster the communication and transfer of these results.
* Please note that this/these deliverable(s) is/are undergoing S2R JU review and acceptance processes.
All deliverables, results and publications herewith provided reflects only the author's view and the S2R JU is not responsible for any use that may be made of the information it contains.
WP4 F2F meeting No. 9 was hosted by RAILENUM inLille on 15th-16th May 2019. During the meeting the on On-Board Train Integritypartners worked on requirements formal validation, demonstrators definition and cost-benefits analysis.
WP4 F2F meeting No.8 was hosted by INDRA in Madrid on 20th-21th February 2019. During the meeting the on On-Board Train Integrity partners worked on requirements, technological research and development as well as train length determination analysis; necessary services for the ERTMS L3 implementation.
On 8th and 9th of November 2018 an overview about the On-board Train Integrity product classes, target scenarios, functional requirements and functional architecture has been presented at SIGNAL+DRAHT 2018 Congress in Fulda.
On 14th and 15th of May a group consisting of several TD leaders met at Thales in Ditzingen to discuss how to best represent IP2 at Innotrans 2020. The results are very promising and we already invite you to Innotrans 2020 to come and see the progress towards a competitive and resource-efficient European railway system that was made in X2Rail projects (X2Rail-1, X2Rail-2 and X2Rail-3).
The X2Rail-2 project was presented at the “Space for Innovation in Rail” event in Vienna. The aim of the event was to share the vision and roadmap of space technologies for the future of railways in Europe, what is their role in innovation and digitalisation, with a special focus on progress and implementation of GNSS for rail. The X2Rail-2 project coordinator Salvatore Sabina shared with the audience about the status of the Fail-Safe Train Positioning Specifications and the Functional Architecture that are expected to include the results of other on-going analysis by the middle of 2019.
In X2Rail-2, the work package forPositioning is the framework where (a) the investigations of innovative technologies are expected to be executed and (b) the results of other R&D initiatives have to be harmonized.
In later project phase (in X2Rail-5)three prototypes for positioning are planned with tests and implementations in 2021 and 2022.
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