Bibliografia Ferroviaria Italiana


ETCS European Train Control System. Development and implementation in Italy

Roma : CIFI, 2007.
Pagine 316. Cm. 29x21.
ISBN 978-88-95634-01-2

Testo in inglese

The ETCS is the future of railway signalling system and is the automatic train travel control and protection system of today. The first application of the ETCS in the world is on the two italian railway lines Roma - Naples and Milan - Turin. This book, describing the above projects, is an initial and rapid means of communicating the new concepts, investigating the general characteristics on the ETCS system and offering professional updating opportunities for all those who wish to understand more about this fascinating issue.

Indice del libro
The Authors10
Acknowledgements and Key factors of success11
Index to Figures13
1. Description of text, definitions and acronyms19
2. The ERTMS in Italy: integration of the High-Speed project and European Interoperability35
3. ERTMS and Interoperability43
    What is ERTMS?45
    Objectives of ETCS48
    ERTMS/ETCS levels53
    Development of ERTMS specifications54
    Management of Unisig Specifications and the new "BaseLines"57
4. Architecture and Operation of the HS Signalling Subsystem (HSSS)59
        Safety connection62
    General architecture65
        Functional Architecture68
            Functional architecture and delimitation of the signalling system68
        Physical Architecture70
        The ETCS Level 2 Ground Subsystem (SST)75
            Fixed Peripheral Points (PPF)76
            Operating modes77
        Types of ground Train Separation Subsystems77
            Train Separation Subsystem - Ground part - Alstom type77
            Train Separation Subsystem - Ground part - Ansaldo type84
        Radio Block Sections87
        RBC data and virtual signals87
        Point mechanisms90
            Point mechanisms for radii less than or equal to 0.07490
        Track Circuits (cdb)90
        Lowering pantographs (POC) and neutral stretches (PCF)91
        Kilometre markers91
        Information Points (PI) - Spatial reference91
        Telecommunications System92
            Long Distance TLC Subsystem94
        The ETCS Level 2 Trainborne Subsystem (SSB)97
            Description of trainborne subsystem equipment97
            Description of main displays99
            CAB Radio102
5. Description of System Operation103
    Operation without degrades103
        SSB connection and data entry (start of mission)106
        Entrance into the ERMTS area109
        Itinerary Management114
        POC Management119
        Phase Change120
        FS Mode Management122
        RBC Handover126
        Exit from the ERMTS area and end of mission130
    Degraded operation134
        SoM (Start of Mission) from PdS (PPF)134
        SoM (Start of Mission) in line134
        End Of Mission139
        Emergency Management141
        Unconditional emergency stop management141
        Urgent close of Station management142
        Conditional emergency stop management142
        On Sight travel management147
        Staff Responsible travel management147
        Override Procedure150
        RTB alarm management (Track-Train)152
        Train management with "very hot" alarm153
        Train management with "hot" alarm154
        Deceleration management156
        Setting a TSR157
        Activating a TSR157
        Cancelling a TSR158
        Protection of stopping points at the entrance to or inside a Station158
        Stopping at the entrance to a PdS160
        Arriving at the station and stopping at the end of an MA160
        Single component exclusion protection161
        Excluded Station Zone (PdS) protection161
        Radio block inversion management162
        In-line stopping point protection164
        Line out of service protection164
        Braking commanded by the ETCS SSB169
6. ERTMS/ETCS Level 2 Life Cycle169
    Project organisation171
    Validation and assessment process171
    Trainborne Subsystem175
7. CENELEC life cycle for ERTMS/ETCS Level 2 in Italy177
    Phase 1 Target concept of the railway project177
        Mission profile177
            Train Separation Safety Objectives177
    Phase 2 System Definition and Application Conditions180
    Phase 3 Risk Analysis181
        System FMEA and FTA analysis181
    Phase 4 System Requirements186
        Verification Reports of Requirement Specifications186
    Phase 5 Apportionment of System Requirements187
    Phase 6 Design and Implementation187
    Phase 7 Manufacturing and Phase 8 Installation190
    Phase 9 System validation including safety acceptance and putting into service190
        Safety Cases and Technical Safety Reports196
        RFI Technical Department Technical Committee205
        Functional Assessment activities for the Generic Application and initial Specific Application of the ETCS Level 2 SDT206
        Safety assessment211
        Organisation of tests in worksite, pre-operation and operation scenarios211
        Incremental regulatory process for ETCS level 2 train testing and sequencing213
        Train Separation System Technical Verification Commission213
        Qualification and training217
    Pre-operation period217
    Phase 10 System Acceptance218
    Phase 11 Operation and Maintenance218
    Phase 12 Performance Monitoring218
    Phase 13 Modification and Retrofit219
    Phase 14 Decommissioning219
    Future Developments and New Solutions220
        ETCS Level 1222
8. Analytical Sections225
    Radio Messages - Message 3 Movement Authority225
    Alstom RBC Path Concept227
    ACC (IXL) and RBC interfacing228
    Alstom RBC keyboard232
    Speed step before stopping the train233
    Odometry and ETCS train braking curves234
    Management of Cryptographic Keys between ETCS Level 2 SST and SSB236
    RBC Condition Tables238
    RBC Logic241
    Detecting the illegal occupation of the track circuit subsequent to the one occupied by the train (first axle occupation or "shadow track circuit")251
    Time parameters for radio disconnection management253
    System Response Times256
    ETCS Error Management258
    National Values and suitability and ERTMS/ETCS Level 2 parameters260
    Delayed opening of the Virtual Signal262
    Management of Line Management subsystem components263
    Configuration documentation for ETCS L2 SDT SST and SSB265
    Safety requirements270
    Design and development process273
    ERTMS/ETCS Level 2 Workshops and Trial Sites288
    Assessment Backup Tools for Specific Applications of ETCS level 2 SST290
    SSB Homologation Process292
    Functional assessment of test specifications using formal methods294
    Train sequencing tests - Integration ETCS L2: SST ASF and SSB Alstom295
    GSM-R integration on the Rome-Naples HS/HC line300
Reference documents301

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