ETCS - Digital Railway

1 ETCS:Infrastructure ChangesWhat is fitted to the infrastructure? Radio Block Centre Similar architecture to EVC Link to FTNxand Interlocking Data Recording Operations and Maintenance TerminalKey Infrastructure Equipment Radio Block Centre Similar architecture to EVC Link to FTNxand Interlocking Data Recording Operations and Maintenance Terminal Euro-Balises Switchable Balises and Lineside Encoder Units (LEU) Passive BalisesKey Infrastructure Equipment Radio Block Centre Similar architecture to EVC Link to FTNxand Interlocking Data Recording Operations and Maintenance Terminal Euro-Balises Switchable Balises and Lineside Encoder Units (LEU) Passive Balises Signage Stop Markers Cab Entry / Exit Boards Degraded Speed Boards in km/hKey Infrastructure Equipment Radio Block Centre Similar architecture to EVC Link to FTNxand Interlocking Data Recording Operations and Maintenance Terminal Euro-Balises Switchable Balises and Lineside Encoder Units (LEU)

2 Passive Balises Signage Stop Markers Cab Entry / Exit Boards Degraded Speed Boards in km/hKey Infrastructure EquipmentAdditional Components Track Detection Axle Counters Track CircuitsAdditional Components Track Detection Axle Counters Track Circuits Legacy Signalling lights on sticks Semaphore Signalling PanelsAdditional Components Track Detection Axle Counters Track Circuits Legacy Signalling lights on sticks Semaphore Signalling Panels Class B Safety Systems TPWS / AWS BR ATP (Western / Chiltern)Installation Options Reference Design The on-board system is tightly defined in the TSI -it should be able to operate anywhere The trackside TSI defines messages but not their application This allows flexibility to design for the required functionality Network Rail looked to produce a consistent reference design that we could base everything fromInstallation Options Reference Design First.

3 Understanding how the Railway needs to work Breaking the journey of a train into small units Each unit is a facility defined in the Reference Design The route can be built from a sequence of facilitiesTrain starts in depot (start of mission process)Train enters ETCS area in Level 1 Train transitions to Level 2 Movement Authority (MA) is extended several timesTrain approaches occupied terminal platform & transitions to OS modeCoupling takes place in OSDriver closes cab and changes enters new leading cab and undertakes start of missionTrain obtains first movement authorityTrain Dispatch takes placeMA is extended several timesTrain approaches critical routing point & routing information is providedTrain is stopped on approach to junctionMA is extendedTypical JourneyTypical JourneyTypical JourneyInstallation Options Designing a Scheme No longer constrained by aspect

4 Sequences, signal spacing or the worst performing train brake on the route ERTMS allows the line to be cut up into as many or as few sections as we need to meet the operational targets. Short sections increase capacity around junctions/stations Longer sections allow faster running in degraded operationsInstallation Options Designing a Scheme Balises can also be spaced closer together where accurate odometryis critical approaching stations or junctionsInstallation Options An Overlay Fitting ETCS over conventional copies existing spacing Unfitted trains and untrained drivers can continue on route Fitted trains reap benefits of braking later and ATP safetyYards and Depots Full ETCS is unrealistic Level NTC movement

5 Authority received from lineside signal or Shunter s hand signals as today Level 1 launch at outlet to reduce distance taken to transition and protect mainlineScheme Design Level 1 Launch Offers L1 MA from last depot signal onto the mainline while the EVC is still connecting to the RBC Trains can connect to L2 later in the transition process L1 Launch allows train to transition in short space without stoppingETCS:Operational ConsiderationsOperational ConsiderationData Entry: Input of data takes time Must be accurate Non-fixed formation trains -critical task Still required for Level 0 and Level NTCO perational Considerations ActionTime TakenCommentsOpen cab and boot up57 secsCan be longer in other cabStart of Mission (SoM)1 secDriver ID2 secsChange level( 35 secs )Only required from cold startConnection to RBC20 secsTrain data entry30 secsSelect start4 secsTotal114 secs(2mins 54 secs)Route open (Signal as now cleared) Note: 35secs longer if cold startData Entry.

6 Example TimesTrain Awakening & Cold Movement DetectionIf the train is in an: Unknown position the train starts in SRmode Invalid position the train starts in SRmode Known position the train starts in OSmodeEVC1 EVC2FS MA supported by route setGap to be bridgedRoute set in interlocking from 301 to 3031G27 RSP301 RSP303 RSP340 RSP338 Further Operations Considerations Station Dispatch with no line-side signals (Level 2 and 3) Degraded Working Train-borne, non ERTMS Failures and Issues Temporary Speed Restrictions (TSRs) Safety Capacity and Performance ImprovementsTM.

7 Traffic ManagementTraffic ManagementTrain service delivery today: Control and signallingin multiple locations Current plan delivery based on best guess prediction from various systems Communications and delivery of planned changesTraffic Management: Takes input from various systems Identifies conflicts De-conflicts, predicts, delivers plan or gives options Users are aware of the changes as systems are updated Traffic Management: The Journey so Concept of operations Requirements ITT Use cases / scenarios ITT reviews Model office Contract awardPlan Re-planC-DASI ncident ManagementStock & CrewCustomer informationTraffic Management SystemPlan Re-planOperations Decision Support Tool (Isolated)IntegratedInterfacedTraffic Management: Key System Elements LINX: Layered Information Exchange System; Developed to integrate 3rd party systems with a Signallingsystems RIFs (Remote Interfaces) Allows use of different interlockingsto be integrated.

8 Functions as data protocol converter between signallingcontrol system and interlockings. Traffic Management: Key System Elements LINX: Layered Information Exchange System; Developed to integrate 3rd party systems with a Signallingsystems RIFs (Remote Interfaces) Allows use of different interlockingsto be integrated. Functions as data protocol converter between signallingcontrol system and interlockings. Areas of Control and Reconfiguration Workstation = Area of Control (AoC) AoCbroken down into Zones as defined by Route System provides reconfiguration of safety control layer to manage workload Telephony and signallingcontrol move togetherZone 1 SSI AZone 2 SSI BZone 3 SSI CZone 4 SSI DZone 5 SSI EWorkstationsZonesWorkstation 1 Workstation 2 Areas of Control and Reconfiguration Workstation = Area of Control (AoC)

9 AoCbroken down into Zones as defined by Route System provides reconfiguration of safety control layer to manage workload Telephony and signallingcontrol move togetherZone 1 SSI AZone 2 SSI BZone 3 SSI CZone 4 SSI DZone 5 SSI EWorkstationsZonesWorkstation 1 Workstation 2 Traffic Management: Human Machine InterfaceTraffic Management: Workstations Traffic Management interface with emphasis on dispatch management Integrated telecoms Keyboard and mouse control no fixed desk-mounted tracker ball Safety layer controls via drop-down menus Screen views customisableby operator Early adopters have segregation of safety and planning activitiesLine Graph (Route Setting Mimic)Graphical display of line of route can be used for simple re-routing via drag and dropTrain Graph (time/distance graph)Used for conflict detection and be used for routing and scheduling.

10 Platform DockerUsed for conflict detection and resolution -conflicts mirrored in Train re-platforming by drag and confirms GraphDisplays connections / associations between on accurate stock and crew data being provided. Task Allocation -Who s doing what?TM Interface Conflict managementTrain movement management and validationResource managementContingency planningTrain movement enquiriesSafety InterfaceManual route managementManual point controlSignal group replacementApply protection and inhibitsArea of control managementAlarm managementAut