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Ares(2019)512917 - 29/01/2019 D2.1 - Modelling of the moving block signalling system Deliverable ID D2.1 Deliverable Title Modelling of the moving block signalling system Work Package WP2 Dissemination Level PUBLIC Version 2.0 Date 2019-01-28 Status Released Lead Editor SIRTI Main Contributors ARD, ISMB Published by the ASTRAIL Consortium This project has received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No 777561 Call identifier: H2020-S2RJU-2017 | Topic: S2R-OC-IP2-01-2017 – Operational conditions of the signalling and automation systems; signalling system hazard analysis and GNSS SIS characterization along with Formal Method application in railway field Satellite-based Signalling and Automation Systems on Railways along with formal Method and Moving Block Validation Document History Version Date Author(s) Description 0.0 2017-09-15 ARD First Draft with TOC 0.1 2017-09-29 ARD First draft of the chapters 1 and 2. 0.2 2017-10-03 ARD Completion of the draft chapter 1 and 2. 0.3 2017-10-16 ARD, SIRTI, Completion of the chapters 1, 2, 3 and draft version of the chapter ISMB 5. 0.4 2017-11-06 ARD Re-arranging of the chapters 1, 2 and 3, draft version of the chapter 4, completion of the chapter 5. 0.5 2017-11-24 ARD, SIRTI Completion of the deliverable for final internal revision 0.6 2017-11-28 ARD, CNR Commentaries addressed regarding Moving Block System model 1.0 2017-11-29 ARD Release of the Final version 1.1 2018-06-01 ISMB Added legal notice 1.2 2019-01-10 ARD, SIRTI Correction according to the comments received from the reviewer 2.0 2019-01-28 ARD Version release Legal Notice The information in this document is subject to change without notice. The Members of the ASTRail Consortium make no warranty of any kind with regard to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The Members of the ASTRail Consortium shall not be held liable for errors contained herein or direct, indirect, special, incidental or consequential damages in connection with the furnishing, performance, or use of this material. The Shift2Rail JU cannot be held liable for any damage caused by the Members of the ASTRail Consortium or to third parties as a consequence of implementing this Grant Agreement No 777561, including for gross negligence. The Shift2Rail JU cannot be held liable for any damage caused by any of the beneficiaries or third parties involved in this action, as a consequence of implementing this Grant Agreement No 777561. The information included in this report reflects only the authors' view and the Shift2Rail JU is not responsible for any use that may be made of such information. Table of Contents Document History ...................................................................................................................................................................................... 2 Legal Notice .................................................................................................................................................................................................. 2 Table of Contents ....................................................................................................................................................................................... 2 1 Introduction ........................................................................................................................................................................................ 4 Deliverable D2.1 Deliverable Title Modelling of the moving block signalling system Page 2 of 44 Version 2.0 – 28/01/2019 Satellite-based Signalling and Automation Systems on Railways along with formal Method and Moving Block Validation 1.1 Objectives .................................................................................................................................................................................. 4 1.2 Scope .......................................................................................................................................................................................... 4 1.3 Document structure .............................................................................................................................................................. 4 1.4 Related documents................................................................................................................................................................ 5 1.5 Terms and Definitions .......................................................................................................................................................... 5 2 State of the Art .................................................................................................................................................................................. 6 2.1 Train detection systems ....................................................................................................................................................... 6 2.2 Principle of moving block ................................................................................................................................................... 7 2.3 ERTMS level 3 .......................................................................................................................................................................... 8 2.4 Functions of GNSS-based moving block system ..................................................................................................... 11 2.5 Other moving block signalling systems ...................................................................................................................... 13 3 Methodology ................................................................................................................................................................................... 15 3.1 Working plan ......................................................................................................................................................................... 15 3.2 UML state machine diagram............................................................................................................................................ 15 3.3 UML Sequence Charts ........................................................................................................................................................ 17 4 Functional modelling of the moving block system .......................................................................................................... 19 4.1 Assumptions ........................................................................................................................................................................... 19 4.2 Virtual Balise principle ........................................................................................................................................................ 19 4.3 User requirements for railway GNSS applications .................................................................................................. 20 4.4 Functional model.................................................................................................................................................................. 21 5 System Use Cases ........................................................................................................................................................................... 28 5.1 Railway profiles ..................................................................................................................................................................... 29 5.2 Grade of Automation .......................................................................................................................................................... 29 5.3 System states ......................................................................................................................................................................... 31 5.4 Environmental conditions ................................................................................................................................................. 31 6 Use Cases representation with UML Sequence Charts .................................................................................................... 32 6.1 Use Case 1 Start of Mission when the train position is valid .............................................................................. 33 6.2 Use Case 2 Start of Mission when the train position is invalid/ unknown .................................................... 35 6.3 Use Case 3 Start of Mission when the train integrity is not confirmed .......................................................... 37 6.4 Use Case 4 Transition from Full Supervision to TRIP if train position is invalid/unknown ..................... 39 7 Conclusion ......................................................................................................................................................................................... 41 Acronyms ..................................................................................................................................................................................................... 42 List of figures .............................................................................................................................................................................................
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