EP2470408A1 - Initialisation of a signalling system - Google Patents

Initialisation of a signalling system

Info

Publication number
EP2470408A1
EP2470408A1 EP11721085A EP11721085A EP2470408A1 EP 2470408 A1 EP2470408 A1 EP 2470408A1 EP 11721085 A EP11721085 A EP 11721085A EP 11721085 A EP11721085 A EP 11721085A EP 2470408 A1 EP2470408 A1 EP 2470408A1
Authority
EP
European Patent Office
Prior art keywords
train
signalling
database
equipment
network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11721085A
Other languages
German (de)
French (fr)
Other versions
EP2470408B1 (en
Inventor
Simon Chadwick
Kevin Turner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
Westinghouse Brake and Signal Holdings Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westinghouse Brake and Signal Co Ltd, Westinghouse Brake and Signal Holdings Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of EP2470408A1 publication Critical patent/EP2470408A1/en
Application granted granted Critical
Publication of EP2470408B1 publication Critical patent/EP2470408B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/14—Devices for indicating the passing of the end of the vehicle or train
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
    • B61L25/02—Indicating or recording positions or identities of vehicles or trains
    • B61L25/026—Relative localisation, e.g. using odometer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Definitions

  • This invention relates to a method of initialising a rail signalling system for a rail network with a plurality of trains located therein and a rail signalling system for controlling the movement of one or more trains on a rail network.
  • Fig. 1 schematically shows a typical computer-based train control system, such as could be used, for example, with an unmanned metro or underground rail network.
  • Two trains 1 a, 1 b are shown on a line 2.
  • a platform 3 is shown near train l a's location.
  • the network is divided into signalling sections, shown by the dotted lines, with signalling equipment 4, in this case a signalling equipment hub, in each section.
  • both trains 1 a, 1 b are within the same section.
  • the trains are in bidirectional radio communication 5a, 5b with signalling equipment 4 within the section.
  • Each signalling equipment 4 is connected to a central control system 6 allowing bi-directional communication therebetween.
  • train location is detected on the train 1 a, 1 b, for example via absolute position references ("APR"s), for example where the train passes a unique identifiable marker (not shown in Fig. 1 ), or derived via odometry and / or via a tachometer.
  • APR absolute position references
  • the trains report their location to the signalling equipment 4 by radio.
  • the signalling equipment hub 4 uses the train location reports and requests from the control system 6 to compute the signalling data sent to trains 1 a, 1 b.
  • the invention is considered to be particularly advantageous in relation to metro / underground rail systems and unmanned systems.
  • unmanned systems are often also metro / underground systems.
  • This aim is achieved by providing a diverse, relatively coarse train detection system in a centralised, overseeing capacity, together with a train database, which monitors the locations of all trains within the railway (or area) under consideration.
  • Such a system provides for initialisation of a signalling system which does not have continuous trackside train detection, such as that provided by track circuits.
  • a train location detection system diverse to the signalling architecture, comprising a train database for storing the location of each train within the network at a block level, the train database being in communication with the controller for sending train location information thereto;
  • a rail signalling system for controlling the movement of one or more trains on a rail network, the system having a signalling architecture comprising: signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment; and a controller in communication with the signalling equipment, for controlling the signalling equipment;
  • rail signalling system further comprises:
  • a train location detection system comprising:
  • train database for storing the location of each train at a block level within the network, the train database being in communication with the controller for sending train location information thereto;
  • beacons defining the blocks, located at spaced locations within the network
  • communications means for enabling information confirming that a train has passed a beacon to be sent to the train database
  • the signalling architecture and train location detection system being diverse such that in the event of partial or complete failure of the signalling architecture, or failure of an individual train on the network, train locations remain available from the train database.
  • the present invention is therefore capable of providing, inter alia, the following advantages:
  • Fig. 1 schematically shows a typical computer-based train control (“CBTC”) system
  • Fig. 2 schematically shows a computer-based train control system in accordance with the present invention.
  • FIG. 2 An embodiment of the invention is schematically shown in Fig. 2. As for as possible, the numbering system used in Fig. 1 has been retained for like items.
  • the present invention can be directly applied to "closed” railway, with captive stock, such as a metro system or to an "open” railway, by transitioning trains into and out of the area.
  • the embodiment shown and described with reference to Fig. 2 is for a typical computer-based train control ("CBTC") system, with no use of either track circuits or GPS.
  • CBTC computer-based train control
  • a portion of a rail network is shown having two trains, 1 a and 1 b.
  • Platforms are shown at 3, signalling equipment at 4 and a controller at 6.
  • Bidirectional communications for example bi-directional radio communications, between signalling equipment 4 and trains 1 a and 1 b are shown as 5a and 5b respectively.
  • the combination of signalling equipment 4, controller 6 and train- carried signalling communication apparatus constitutes a signalling architecture.
  • the network is divided into a plurality of relatively coarse train location blocks by trackside-located beacons 7.
  • one beacon 7 is provided at each end of a platform 3. There need not be many of these beacons/sensors, as only coarse train detection is required.
  • the provision of these beacons 7 enables each train 1 to be located within a block, each block being delimited by two beacons 7.
  • the location definition provided is relatively coarse compared to that available through the signalling architecture in fault-free operation.
  • Each block can contain more than one train.
  • Each beacon 7 has a unique identifier or ID, and furthermore is in communication with a train database 8, in this example via fixed lines which give optimum reliability, although wireless transmission, for example radio transmission, may alternatively be used.
  • Train database 8 maintains a record of the location of each train on a block level.
  • Train database 8 is communicatively connected to controller 6, for example by hard-wiring or wireless means, for communication therewith.
  • beacons 7 are capable of both wirelessly transmitting their unique identifiers to train- carried beacon detection means in the form of transceivers 9a, b when they pass, and of receiving train identifiers (i.e. comprising the train-specific ID) from the transceivers 9a, b.
  • Such wireless transmission may comprise radio frequency transmission, Bluetooth (RTM) or the like.
  • the transceivers 9a, b are also able to detect movement of the train using inertial navigation sensors.
  • the transceivers 9a, b are fitted externally to the trains, and are battery-backed such that they contain their own power source.
  • the beacons 7 are operable to send the received train identifiers from transceivers 9a, b, together with the beacons' own unique identifiers, to train database 8.
  • transceivers 9a, b are operable to send their train identifiers together with the received beacon identifiers, to signalling equipment 4, via the train-carried signalling communication equipment using bidirectional communication 5.
  • the beacon identifiers and train identifiers may then be forwarded to controller 6 and then on to train database 8. Therefore, whenever a train 1 passes a beacon 7, both the train identifier and beacon identifier are sent to the train database 8 so that the block location of the train 1 is recorded. Having this information sent by both the beacon 7 and train 1 provides the security of a back-up transmission path for redundancy.
  • Fig. 2 shows that each train 1 carries two transceivers 9, typically one (9a) proximate the front of the train, and one (9b) proximate the rear. Such an arrangement is useful to confirm that the entirety of the train has passed into one block, or conversely that the train straddles two adjacent blocks, with this confirmation being performed by the controller 6. Having two transceivers 9a, b also provides redundancy if one transceiver should fail.
  • the beacon to train database communications system is wholly diverse to the signalling architecture. Therefore, if one system should fail, the other will be unaffected.
  • the controller 6 has a processor which receives train reports from all valid sources as is known in the art, including from the train database 8. During failure conditions, it is possible that only this coarse train location may be received in certain areas.
  • Train locations may be passed from the signalling system to the train database, in order to enable clearing of the "coarse blocks”.
  • the communications system could be "mesh" based, with limited use of fixed communications.
  • the train location in these areas could be determined via GPS, rather than via trackside beacons.
  • the system could be extended to include other equipment, for example trolleys and other track-mounted equipment etc. used during possessions. This would require different types of trains in the train database, and then an output from the train database to indicate whether or not such items were still on the railway.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

A method of initialising a rail signalling system for a rail network with a plurality of trains located therein, the signalling system having a signalling architecture comprising signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment; and a controller, in communication with the signalling equipment, for controlling the signalling equipment; comprises the steps of: a)dividing the network into a plurality of blocks; b)providing a train location detection system,diverse to the signalling architecture,comprising a train database for storing the location of each train within the network at a block level, the train database being in communication with the controller for sending train location information thereto; c)setting the controller to treat any blocks with at least one train located therein as occupied; d)causing one train to move if the block ahead of that train in the direction of travel is not occupied; and e)repeating the previous step for each of the plurality of trains.

Description

Initialisation of a Signalling System
This invention relates to a method of initialising a rail signalling system for a rail network with a plurality of trains located therein and a rail signalling system for controlling the movement of one or more trains on a rail network.
Fig. 1 schematically shows a typical computer-based train control system, such as could be used, for example, with an unmanned metro or underground rail network. Two trains 1 a, 1 b are shown on a line 2. A platform 3 is shown near train l a's location. The network is divided into signalling sections, shown by the dotted lines, with signalling equipment 4, in this case a signalling equipment hub, in each section. In this example, both trains 1 a, 1 b are within the same section. The trains are in bidirectional radio communication 5a, 5b with signalling equipment 4 within the section. Each signalling equipment 4 is connected to a central control system 6 allowing bi-directional communication therebetween.
When the system is fully operational, train location is detected on the train 1 a, 1 b, for example via absolute position references ("APR"s), for example where the train passes a unique identifiable marker (not shown in Fig. 1 ), or derived via odometry and / or via a tachometer. With these methods, the train location may only be determined if the train is moving. The trains report their location to the signalling equipment 4 by radio. The signalling equipment hub 4 uses the train location reports and requests from the control system 6 to compute the signalling data sent to trains 1 a, 1 b.
As other prior art may be mentioned US2005/0192720, US2005/0133673, US5950966, US2002/0062181 , EP0638469, JP2004338520 and JP2002187552. There are systems where train location may be determined while stationary, for example by using GPS positioning techniques or by the use of track circuits. However, such techniques are not appropriate for all rail systems, for example metro or underground rail systems. Such systems, while generally working well in normal use, may have problems associated with them, which are generally associated with one or more failures within the system. These include:
Communications failures, such that the signalling system is not able to receive train locations;
Failure of individual trains;
Partial trackside signalling system failure; and
Complete signalling system failure. In the event of a partial or complete signalling system failure, for safety any trains located on the route in question are stopped. This may lead to problems following rectification of the signalling failure. In particular, and as mentioned previously, train locations may generally only be determined if the trains are moving. Therefore there is a problem re-starting the system, as some or all of the train locations may not be known. In addition, certain trains may have been moved since the system failed, for example under manual supervision to allow egress of passengers.
The nature of the system demands that, as described above, trains need to move in order to determine their position. However, if the train positions are not all known, it is difficult to know which trains can move.
With a manned system, voice protocols can be used to report locations of "lost" trains, and verbal authorities can be given to move trains at slow speeds. With an unmanned system however, this solution is not available.
It is an aim of the present invention to overcome these problems, such that the locations of trains can be determined sufficiently accurately to enable a timely return to operation following a system failure. The invention is considered to be particularly advantageous in relation to metro / underground rail systems and unmanned systems. In practice, unmanned systems are often also metro / underground systems. This aim is achieved by providing a diverse, relatively coarse train detection system in a centralised, overseeing capacity, together with a train database, which monitors the locations of all trains within the railway (or area) under consideration. Such a system provides for initialisation of a signalling system which does not have continuous trackside train detection, such as that provided by track circuits.
This enables re-starting of the railway in the following scenarios: after partial or complete failure of the signalling system, or after failure of an individual train.
In accordance with a first aspect of the present invention there is provided a method of initialising a rail signalling system for a rail network with a plurality of trains located therein, the signalling system having a signalling architecture comprising signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment, and a controller, in communication with the signalling equipment, for controlling the signalling equipment;
the method comprising the steps of:
a) dividing the network into a plurality of blocks;
b) providing a train location detection system, diverse to the signalling architecture, comprising a train database for storing the location of each train within the network at a block level, the train database being in communication with the controller for sending train location information thereto;
c) setting the controller to treat any blocks with at least one train located therein as occupied;
d) causing one train to move if the block ahead of that train in the direction of travel is not occupied; and
e) repeating the previous step for each of the plurality of trains. In accordance with a second aspect of the present invention there is provided a rail signalling system for controlling the movement of one or more trains on a rail network, the system having a signalling architecture comprising: signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment; and a controller in communication with the signalling equipment, for controlling the signalling equipment;
wherein the rail signalling system further comprises:
a train location detection system comprising:
a train database for storing the location of each train at a block level within the network, the train database being in communication with the controller for sending train location information thereto;
a plurality of beacons, defining the blocks, located at spaced locations within the network;
means for detecting that a train passes a beacon; and
communications means for enabling information confirming that a train has passed a beacon to be sent to the train database;
the signalling architecture and train location detection system being diverse such that in the event of partial or complete failure of the signalling architecture, or failure of an individual train on the network, train locations remain available from the train database.
The present invention is therefore capable of providing, inter alia, the following advantages:
- the restarting of a railway without continuous trackside train detection, following a partial or complete signalling system failure;
the restarting of a railway without continuous trackside train detection, following failure of an individual train within the system;
a means of providing "occupied areas" for individual trains which have failed, until those trains have been repaired or removed from the system, including over difficult border and transition areas;
the ability to take into consideration any train moves which may have taken place under verbal controls, whilst the signalling system is failed;
the ability to control trolleys and other track-mounted equipment during possessions for maintenance work.
The invention will now be described with reference to the accompanying drawings, in which: Fig. 1 schematically shows a typical computer-based train control ("CBTC") system; and
Fig. 2 schematically shows a computer-based train control system in accordance with the present invention.
An embodiment of the invention is schematically shown in Fig. 2. As for as possible, the numbering system used in Fig. 1 has been retained for like items.
As mentioned previously, the present invention can be directly applied to "closed" railway, with captive stock, such as a metro system or to an "open" railway, by transitioning trains into and out of the area. The embodiment shown and described with reference to Fig. 2 is for a typical computer-based train control ("CBTC") system, with no use of either track circuits or GPS. As in Fig. 1 , a portion of a rail network is shown having two trains, 1 a and 1 b. Platforms are shown at 3, signalling equipment at 4 and a controller at 6. Bidirectional communications, for example bi-directional radio communications, between signalling equipment 4 and trains 1 a and 1 b are shown as 5a and 5b respectively. The combination of signalling equipment 4, controller 6 and train- carried signalling communication apparatus (not explicitly shown in Fig. 2) constitutes a signalling architecture.
In this embodiment, the network is divided into a plurality of relatively coarse train location blocks by trackside-located beacons 7. As shown, one beacon 7 is provided at each end of a platform 3. There need not be many of these beacons/sensors, as only coarse train detection is required. As will be described below, the provision of these beacons 7 enables each train 1 to be located within a block, each block being delimited by two beacons 7. The location definition provided is relatively coarse compared to that available through the signalling architecture in fault-free operation. Each block can contain more than one train.
Each beacon 7 has a unique identifier or ID, and furthermore is in communication with a train database 8, in this example via fixed lines which give optimum reliability, although wireless transmission, for example radio transmission, may alternatively be used. Train database 8 maintains a record of the location of each train on a block level. Train database 8 is communicatively connected to controller 6, for example by hard-wiring or wireless means, for communication therewith. In this embodiment, beacons 7 are capable of both wirelessly transmitting their unique identifiers to train- carried beacon detection means in the form of transceivers 9a, b when they pass, and of receiving train identifiers (i.e. comprising the train-specific ID) from the transceivers 9a, b. Such wireless transmission may comprise radio frequency transmission, Bluetooth (RTM) or the like. In this embodiment, the transceivers 9a, b are also able to detect movement of the train using inertial navigation sensors. The transceivers 9a, b are fitted externally to the trains, and are battery-backed such that they contain their own power source. The beacons 7 are operable to send the received train identifiers from transceivers 9a, b, together with the beacons' own unique identifiers, to train database 8. In addition, transceivers 9a, b are operable to send their train identifiers together with the received beacon identifiers, to signalling equipment 4, via the train-carried signalling communication equipment using bidirectional communication 5. The beacon identifiers and train identifiers may then be forwarded to controller 6 and then on to train database 8. Therefore, whenever a train 1 passes a beacon 7, both the train identifier and beacon identifier are sent to the train database 8 so that the block location of the train 1 is recorded. Having this information sent by both the beacon 7 and train 1 provides the security of a back-up transmission path for redundancy.
Fig. 2 shows that each train 1 carries two transceivers 9, typically one (9a) proximate the front of the train, and one (9b) proximate the rear. Such an arrangement is useful to confirm that the entirety of the train has passed into one block, or conversely that the train straddles two adjacent blocks, with this confirmation being performed by the controller 6. Having two transceivers 9a, b also provides redundancy if one transceiver should fail. The beacon to train database communications system is wholly diverse to the signalling architecture. Therefore, if one system should fail, the other will be unaffected. The controller 6 has a processor which receives train reports from all valid sources as is known in the art, including from the train database 8. During failure conditions, it is possible that only this coarse train location may be received in certain areas.
Train Database
The following summarises the functions in the train database 8:
1 . Maintain the location of all trains in the system against the railway layout, using all train location data available. Where possible maintain a fine level of train location, but a coarse level must always be maintained. Algorithms using time-dependent "train-growing" variables may need to be used. Note that there may be more than one train per section. The time of entry of a train into a section should also be recorded.
2. Continually process train location reports from trackside beacons and train- carried sensors. There is redundant information in this, which needs to be resolved to both fine level and simple coarse block level occupancy.
3. Process addition / removal of trains to / from the network, such that the trains are added to or removed from the database following their entry or exiting the network. In a "closed" railway, this should not happen very often. Joining and splitting of trains will also need to be catered for.
4. Publish the coarse train locations to the signalling system. Also indicate whether there are any "lost" trains in the system.
System operation under initialisation conditions
A) The following summarises the required restarting operation of the signalling system, when recovering from a partial or complete signalling system failure: 1 . Check if all trains are accounted for, by using the data published by the train database. If there are trains for which the location is not known, then manual intervention will be required.
2. Treat any coarse train location blocks containing one or more trains as occupied in the signalling system.
3. Start trains moving one by one, dependent on the order of entry into the block if the block ahead of that train in the direction of travel is not occupied. The trains may be restarted in the order in which they entered the block, or alternatively in the reverse order if they need to change direction, for example if for operational reasons (such as the line being blocked), it is necessary to reverse and detrain passengers at the nearest station in rear. This may be via an automated algorithm, or via the intervention of a single central controller.
4. As each train moves, it will report location again. This information can be correlated with the train database information, until such time as the coarse train location blocks can be regarded as "clear".
B) The following summarises the required restarting operation of the signalling system, when recovering from the failure of an individual train:
1 . Check if all trains are accounted for, by using the data published by the train database. If there are trains for which the location is not known, then manual intervention will be required.
2. Treat any coarse train location blocks containing one or more trains as occupied in the signalling system.
3. Check using the train locations stored in the database 8 which trains are in the same coarse section as the failed train, and permit those in front of the failed or "lost" train to proceed if the coarse block ahead of that train in the direction of travel is not occupied, whilst sending stop messages to those behind the failed or "lost" train.
4. After the failed or "lost" train has been removed via manual procedures, permit those which were behind the failed or "lost" train to proceed in dependence on their order of entry into the block. If it is required to reverse the trains behind the failed or "lost" train, in order to permit egress of passengers at a station, the trains can be given permission to move in the reverse order to that which they entered the coarse section.
5. Once all trains have been removed from the coarse section, including the failed or "lost" train, normal operation can be resumed.
The above-described embodiments are exemplary only, and other possibilities and alternatives within the scope of the invention will be apparent to those skilled in the art. For example, while the embodiment shown in Fig. 2 enables the train and beacon identifiers to be transmitted to the train database via two diverse communications routes, for simplicity only one such route could be used. In this case, it is preferable to rely upon the beacon - train database route so that this communication will not be affected by failure of the signalling architecture.
In addition, other modifications / alternative arrangements are possible within the scope of the invention, for example: - Train locations may be passed from the signalling system to the train database, in order to enable clearing of the "coarse blocks".
The communications system could be "mesh" based, with limited use of fixed communications.
In a system with visibility to the skies, i.e. not entirely within tunnels, the train location in these areas could be determined via GPS, rather than via trackside beacons. The system could be extended to include other equipment, for example trolleys and other track-mounted equipment etc. used during possessions. This would require different types of trains in the train database, and then an output from the train database to indicate whether or not such items were still on the railway.

Claims

Claims
1 . A method of initialising a rail signalling system for a rail network with a plurality of trains located therein, the signalling system having a signalling architecture comprising signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment, and a controller, in communication with the signalling equipment, for controlling the signalling equipment;
the method comprising the steps of:
a) dividing the network into a plurality of blocks;
b) providing a train location detection system, diverse to the signalling architecture, comprising a train database for storing the location of each train within the network at a block level, the train database being in communication with the controller for sending train location information thereto;
c) setting the controller to treat any blocks with at least one train located therein as occupied;
d) causing one train to move if the block ahead of that train in the direction of travel is not occupied; and
e) repeating the previous step for each of the plurality of trains.
2. A method according to claim 1 , for restarting the signalling system following a partial or complete failure of the signalling system.
3. A method according to claim 1 , for restarting the signalling system following a failure of an individual train within the network.
4. A method according to any preceding claim, wherein the train database additionally stores the location of trolleys or other track-mounted equipment within the network.
5. A method according to any preceding claim, further comprising the step of: f) determining the location of each train at a higher resolution than at the block level once the train is moving, using the signalling architecture.
6. A method according to any preceding claim, wherein step c) includes the initial step of consultation of the location information stored by the train database to check that the location of all trains on the network is known at the block level.
7. A method according to any preceding claim, wherein the train location detection system further comprises a plurality of beacons, defining the blocks, located at spaced locations within the network, and communications means for enabling information confirming that a train has passed a beacon to be sent to the train database.
8. A method according to any preceding claim, comprising the step of updating the train database with train location information from the signalling architecture.
9. A rail signalling system for controlling the movement of one or more trains on a rail network, the system having a signalling architecture comprising: signalling equipment, signalling communication equipment located on each train for enabling train location information to be sent from the train to the signalling equipment; and a controller in communication with the signalling equipment, for controlling the signalling equipment;
wherein the rail signalling system further comprises:
a train location detection system comprising:
a train database for storing the location of each train at a block level within the network, the train database being in communication with the controller for sending train location information thereto;
a plurality of beacons, defining the blocks, located at spaced locations within the network;
means for detecting that a train passes a beacon; and
communications means for enabling information confirming that a train has passed a beacon to be sent to the train database;
the signalling architecture and train location detection system being diverse such that in the event of partial or complete failure of the signalling architecture, or failure of an individual train on the network, train locations remain available from the train database.
10. A system according to claim 9, wherein each beacon has a unique identifier.
1 1 . A system according to claim 10, wherein the detecting means comprises beacon detection means located on each train, and means for receiving the identifier from that beacon.
12. A system according to claim 1 1 , wherein the communications means comprises communication equipment located on each train for sending the received identifier information to the train database via the signalling equipment.
13. A system according to either of claims 1 1 and 12, comprising a first beacon detection means located substantially at the front of each train and a second beacon detection means located substantially at the rear of each train.
14. A system according to any of claims 9 to 13, wherein the detecting means comprises train detection means located at each beacon.
15. A system according to claim 14, wherein the communications means comprises beacon communication equipment for enabling communication between each beacon and the train database.
16. A system according to any of claims 9 to 15, wherein the controller is adapted to send train location information to the train database.
17. A system acording to any of claims 9 to 16, wherein the train database is adapted for storing the location of trolleys or other track-mounted equipment within the network.
EP11721085.6A 2010-04-28 2011-04-28 Initialisation of a signalling system Active EP2470408B1 (en)

Applications Claiming Priority (2)

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GB1007073A GB2479900A (en) 2010-04-28 2010-04-28 Block by block initialisation of a rail signalling system for a rail network.
PCT/GB2011/050842 WO2011135368A1 (en) 2010-04-28 2011-04-28 Initialisation of a signalling system

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EP2470408A1 true EP2470408A1 (en) 2012-07-04
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JP6223608B2 (en) * 2015-01-27 2017-11-01 三菱電機株式会社 Train information management apparatus and train information management method
DE102015207223A1 (en) * 2015-04-21 2016-10-27 Siemens Aktiengesellschaft Method and device for locating a rail vehicle operating in a CBTC (Communication-Based Train Control) train control and protection system
FR3075742B1 (en) * 2017-12-22 2020-01-10 Alstom Transport Technologies METHOD FOR RESETTING A ZONE CONTROLLER AND ASSOCIATED SYSTEM FOR AUTOMATIC TRAIN CONTROL

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GB2479900A (en) 2011-11-02
EP2470408B1 (en) 2017-07-19
GB201007073D0 (en) 2010-06-09

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