WO1989005255A1 - Railway network monitoring and control - Google Patents
Railway network monitoring and control Download PDFInfo
- Publication number
- WO1989005255A1 WO1989005255A1 PCT/GB1988/001067 GB8801067W WO8905255A1 WO 1989005255 A1 WO1989005255 A1 WO 1989005255A1 GB 8801067 W GB8801067 W GB 8801067W WO 8905255 A1 WO8905255 A1 WO 8905255A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- speed
- monitoring
- train
- rail network
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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 vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/021—Measuring and recording of train speed
-
- B61L15/0062—
-
- B61L15/0092—
-
- 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 vehicle trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or vehicle trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L2205/00—Communication or navigation systems for railway traffic
- B61L2205/04—Satellite based navigation systems, e.g. GPS
Abstract
A railway network monitoring system monitors the position and speed of a train (1) on a track (2). An aerial (3) and receiver (4) receive signals from earth satellites of a global positioning system, for example the Navstar System. The signals are passed to a processor (5) which determines the location of the train (1). The speed of the train (1) is measured by a speed sensor (6) and the measured value is input to the processor (5). The processor (5) accesses a digitally coded information from a data store (7) of a map of the train's route and associated speed data. The processor (5) then compares the train's determined location with the map and compares the known speed of the train (1) with the maximum permissible speed programmed into the data store for that particular location. The train's location, speed and difference from the maximum allowed are displayed on a visual display unit (8). If the train (1) is exceeding the allowed maximum on alarm (9) is activated to warn the driver. If the train (1) is exceeding the speed limit by a predetermined margin the power is reduced and/or the brakes applied by a power control unit (10) and brake control unit (11) respectively.
Description
RAILWAY NETWORK MONITORING AND CONTROL
The present invention relates to the monitoring of vehicles on a rail network, in particular to the monitoring of location and speed.
Aparticular problemwith rail networks is ensuring that vehicles do not travel faster than safe limits for the tracks. For the safe operation of the network it is necessary for the driver to be warned if the vehicle is exceeding the safe speed limit for that section of track.
At present speed limit indicators are positioned alongside the track and the driver monitors the vehicle speed. Ηύs presumes that the driver is alert at all times and also that he will not intentionally exceed the speed limit.
An alternative is to position speed sensors at positions along the track that measure the vehicle's speed and operate an alarm if it exceeds the speed limit. This requires equipment to be fitted along the tracks and if the network is large, much equipment will be required for effective coverage of the system. Track fitted equipment will also require regular maintenance and must be protected against the weather and possible damage. Thus installation and care of such a system can be very expensive.
Ihe object of the invention is principally to provide a means of monitoring the speed of vehicles on a rail network.
A further object of the invention is to provide a means of monitoring the speed and location of vehicles on a rail network without the need for equipment to be fitted on or adjacent to the tracks.
The invention provides a means of monitoring a vehicle on a rail network comprising: a) a location sensor; b) a speed sensor; c) a data store containing information relating to the rail network and tomaximum speeds at a number of positions on the network; d) cotπparator means to compare the sensed speed of the vehiclewith the maximum speed for the vehicle location; and e) means responsive to the output of the comparator means. Preferably the location sensor includes a receiver responsive to global positioning information transmitted by earth satellites.
Preferably the location sensor includes means to determine the positional co-ordinates of the vehicle from the global positioning information. Conveniently the positional co-ordinates are derived in terms of the latitude and longitude co-ordinates.
The speed sensor may be of any appropriate type. Conveniently speed readings may be derived from an on-vehicle sensor such as a normal speedometer. Alternatively the speed can be calculated, either using computing means, from the time taken to travel between tvro points determined by global positioning information, or measured by the receiver as velocity.
Preferably the information relating to the rail network contained in the data store is stored in the form of maps of the network with details of maximum speed permissible over the network. Conveniently each route has a corresponding map and the data store is suitable for storing the desired number of maps which could be all the maps relating to the network or the map relating to a specific route for the vehicle, or to a plurality of possible routes.
The maps are conveniently stored.in digital form and may be stored on magnetic disks to enable an appropriate disc to be selected for anyparticular vehicle.
Preferably the comparator means to compare the sensed speed of the vehicle with the maximum speed for the vehicle location, is a microprocessor programmed to compare the vehicle speed read from the speed sensor with speed informationgiven by the routemap stored in the data store for the position of the vehicle as determined by the speed sensor.
Conveniently the means responsive to the output of the comparator is an alarmwhich is operated if overεpeed is indicated. Alternatively itmay be a display, visible to the driver, which indicates the vehicle speed and the difference from the maximum speed. The display may also include location information for the driver. Another alternative is for automatic removal of power to the engine or application of braking in the event of overspeed being indicated. One or a combination of these response means may be used.
Advantageously the invention may include one or more additional features such as a "black box" to record locations and speeds for accident analysis if necessary.
Inclusion of a facility to enable the location and speed information
to be transmitted back to a central network control point allows the system to be used to assist in the overall control of the routes and the network.
The invention can easily be extended to include an autopilot facility such that the vehicle speed can be controlled over the route travelled. This can be used to provide optimum utilisation of the network and vehicles.
A further addition could be an information unit for passengers, triggered by the sensed location point. This unit could include a data store with information on the location, estimated times of arrival etc triggered by the sensed location of the vehicle. The information could be presented visually or orally.
The invention will now be described by way of example with reference to the drawings of which:
Figure 1 shows a schematic diagram of a vehicle location and speed monitor according to the invention for a train on a rail network; and
Figure 2 shows a monitor as shown in Figure 1 with additional features.
Figure 1 shows a representation of a train 1 on a track 2. An aerial 3 and receiver 4 receive signals from earth satellites of a global positioning system, for example the Navεtar System. The signals are passed to a processor 5 which determines the location of the train 1. The speed of the train 1 is measured by a speed sensor 6 and the measured value is input to the processor 5. The processor 5 accesses a digitally coded information from a data store 7 of a map of the train's route and associated speed data. The processor 5 then compares the train's determined location with the map and compares the known speed of the train 1 with the maximum permissible speed prograirmed into the data store for that particular location.
The train's location, speed and difference from the maximum allowed are displayed on a visual display unit 8. If the train 1 is exceeding the allowed maximum on alarm 9 is activated to warn the driver. If the train 1 is exceeding the speed limit by a predetermined margin the power is reduced and/or the brakes applied by a power control unit 10 and brake control unit 11 respectively.
Whilst the train is in service the location and speed data from the
processor 5 are recorded in a recorder 12 for later analysis if required.
Figure 2 shows the system of Figure 1 with additional features. A passenger information display unit 13 responds to information from the processor 5. Tfte unit 13 can be used to give passengers a visual display of location background, features, history etc as well as information on the train speed, estimated times of arrival and so on.
The system also includes a transmitter 14 which transmits the location and speed information derived from the processor 5 back to a central positioning station, thus allowing overall monitoring and control of the rail network from a central control point.
The invention provides a versatile and effective speed and location monitoring system for rail networks which also has the facility of being extended to include various additional features. The system lends itself to use on rail networks in particular as each vehicle can be given a unique identifying number and each route timetable requirement is individual.
In particular the invention assists in making optimum use ofvehicles on the network and also increases safety by ensuring that vehicles do not travel at dangerous speeds.
Claims
1. A means of monitoring a vehicle on a rail network characteriseo in that it cc-rprises: a) a location sensor including a receiver responsive to global positioning information transmitted by earth satellites; b) a speed sensor; c) a data store containing information relating to the rail network and tomaximum speeds at a number of positions on the network; d) comparator means to compare the sensed speed of the vehicle with the maximum speed for the vehicle location; and e) means responsive to the output of the comparator means.
2. A means of monitoring a venicle on a rail network according to claim 1 characterised in that the location sensor includes means to determine the positional co-ordinates of the vehicle from tine global positioning information.
3. A means of monitoring a vehicle on a rail network according to claim 2 characterised in that the positional co-ordinates are derived in terms of the latitude and longitude co-ordinates.
4. A means of monitoring a vehicle on a rail network according to any one preceding claim characterised in that the information relating to the rail network contained in tiie data store is stored in the form of maps of tne network with details of maximum speed permissible over the network.
5. A means of monitoring a vehicle on a rail network according to claim 4 characterised in that each route has a corresponding map and the data store is suitable for storing the desired number of maps.
6. A means of monitoring a vehicle on a rail network according to claim, 4 or claim 5 characterised in that the maps are stored in digital form.
7. A means of monitoring a vehicle on a rail network according to any one preceding claim characterised in that the comparator means to compare the sensed speed of the vehicle with the maximum speed for the vehicle location, is a microprocessor programmed to compare the vehicle speed read from the speed sensor with speed information given by the route map stored in the data store for the position of the vehicle as determined by the speed sensor.
8. A means of monitoring a vehicle on a rail network according to any one preceding claim characterised in that the means responsive to the output of the comparatoris an alarm which is operated if overspeed is indicated.
9. A means of monitoring a vehicle on a rail network according to any one of claims 1 to 8 characterised in that the means responεive to the output of the comparator is a display, visible to tne driver, which indicates the vehicle speed and the difference from the maximum speed.
10. A means of monitoring a vehicle on a rail network according to claim 9 characterised in that the display includes location information for the driver.
11. Ameans of monitoring a vehicle on a rail network according to any one of claims 1 to 7 characterised in that tne means responsive to the output of the comparator causes automatic removal of power to the engine or application of braking in tne event of overspeed being indicated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9011977A GB2230885B (en) | 1987-12-02 | 1990-05-29 | Railway network monitoring and control |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878728165A GB8728165D0 (en) | 1987-12-02 | 1987-12-02 | Rail network monitoring and control |
GB8728165 | 1987-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1989005255A1 true WO1989005255A1 (en) | 1989-06-15 |
Family
ID=10627854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1988/001067 WO1989005255A1 (en) | 1987-12-02 | 1988-12-02 | Railway network monitoring and control |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB8728165D0 (en) |
WO (1) | WO1989005255A1 (en) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678962A1 (en) * | 1991-07-12 | 1993-01-15 | Plasser Bahnbaumasch Franz | METHOD FOR DETERMINING THE DISTANCES OF THE ACTUAL POSITION OF A TRUNK OF RAILWAY. |
DE4235256A1 (en) * | 1992-10-20 | 1993-04-01 | Volker Klahn | Railway safety equipment monitoring position of end of train end by detecting transmitter - checks position using static rail-free report unit and, after leaving rail section, train end transmitter signal is located for comparison with theoretical data. |
WO1994005536A1 (en) * | 1992-08-31 | 1994-03-17 | Carrnovo Ab | Method to control in a track traffic system moving units, device for effecting of such control and process for installation of the device |
DE4244624A1 (en) * | 1992-12-29 | 1994-06-30 | Mannesmann Ag | Method and device for determining driving data of a rail vehicle |
WO1994029827A1 (en) * | 1993-06-09 | 1994-12-22 | Minnesota Mining And Manufacturing Company | Vehicle tracking system |
DE4331431C1 (en) * | 1993-09-13 | 1995-03-02 | Elpro Ag | Traffic control device for controlling the driving operation and the traffic flow for the rail-bound traffic |
EP0644098A2 (en) * | 1993-09-14 | 1995-03-22 | MANNESMANN Aktiengesellschaft | Apparatus for measuring and processing movement data of a rail vehicle |
DE4408261A1 (en) * | 1994-03-11 | 1995-09-14 | Kreis Willibald Univ Prof Dr I | Rail vehicle goods waggon monitoring device |
DE4434861A1 (en) * | 1994-09-29 | 1996-04-04 | Grundig Emv | Arrangement for securing railway lines |
WO1998007608A1 (en) * | 1996-08-16 | 1998-02-26 | Rebs Zentralschmiertechnik Gmbh | Process for lubricating the surface of a railway wheel and/or a railway track |
DE19636108A1 (en) * | 1996-09-05 | 1998-03-12 | Siemens Ag | Train location system |
DE19647461A1 (en) * | 1996-11-16 | 1998-05-20 | Deutsche Bahn Ag | Rail vehicle position detection and identification method |
DE19708559A1 (en) * | 1997-03-04 | 1998-09-10 | Alsthom Cge Alcatel | Process for controlling track-bound vehicles as well as vehicle computer and vehicle control system therefor |
EP0884233A1 (en) * | 1997-06-10 | 1998-12-16 | De Limon Fluhme Gmbh | Installation for wheel profile lubrification for railway vehicles |
DE19816435C1 (en) * | 1998-04-15 | 1999-06-17 | Deutsche Bahn Ag | Satellite locating apparatus |
DE19822803A1 (en) * | 1998-05-20 | 1999-11-25 | Alcatel Sa | Process for operating rail vehicles and train control center and vehicle device therefor |
DE4137064C2 (en) * | 1991-11-11 | 2001-02-01 | Diessel Gmbh & Co | Measurement and data acquisition system |
WO2002003094A2 (en) * | 2000-06-30 | 2002-01-10 | Alstom Belgium S.A. | Method for secure determination of an object location, preferably a vehicle moving along a known course |
US6768447B2 (en) | 2000-06-30 | 2004-07-27 | Alstom Belgium S.A. | Method for secure determination of an object location, preferably a vehicle moving along a known course |
US6879889B2 (en) * | 1994-05-05 | 2005-04-12 | H.R. Ross Industries, Inc. | Roadway-powered electric vehicle system having automatic guidance and demand-based dispatch features |
US7398140B2 (en) | 2003-05-14 | 2008-07-08 | Wabtec Holding Corporation | Operator warning system and method for improving locomotive operator vigilance |
WO2009043109A1 (en) * | 2007-10-05 | 2009-04-09 | United Group Rail Services Limited | Railroad vigilance system control unit |
US8965604B2 (en) | 2008-03-13 | 2015-02-24 | General Electric Company | System and method for determining a quality value of a location estimation of a powered system |
FR3063705A1 (en) * | 2017-03-08 | 2018-09-14 | Sncf Mobilites | METHOD AND SYSTEM FOR CONTROLLING THE SPEED OF A RAILWAY VEHICLE |
CN109572759A (en) * | 2018-11-19 | 2019-04-05 | 中车戚墅堰机车有限公司 | Net rail detects vehicle speed-limiting protection system |
RU2757131C1 (en) * | 2021-04-09 | 2021-10-11 | Акционерное общество "Научно-исследовательский и проектно-конструкторский институт информатизации, автоматизации и связи на железнодорожном транспорте" | Method for controlling trains when they are sequentially departing from the station |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2378302A (en) * | 2001-07-31 | 2003-02-05 | Ronald Tubb | Train collision avoidance |
RU2567099C1 (en) * | 2014-07-10 | 2015-10-27 | Открытое акционерное общество "Научно-исследовательский институт информатизации, автоматизации и связи на железнодорожном транспорте" | Control over shunting locomotive |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2156811A1 (en) * | 1971-11-16 | 1973-05-24 | Heinz Schubert | METHOD FOR AUTOMATIC DISPLAY OF ROUTE PLANS FOR VEHICLES, IN PARTICULAR FOR RAIL-MOUNTED VEHICLES, ADDITIONALLY AN AUTOMATIC SPEED CONTROL IS PROVIDED |
US4181943A (en) * | 1978-05-22 | 1980-01-01 | Hugg Steven B | Speed control device for trains |
DE3227547A1 (en) * | 1982-07-23 | 1984-02-02 | Teldix Gmbh, 6900 Heidelberg | Navigation system |
-
1987
- 1987-12-02 GB GB878728165A patent/GB8728165D0/en active Pending
-
1988
- 1988-12-02 WO PCT/GB1988/001067 patent/WO1989005255A1/en unknown
-
1990
- 1990-05-29 GB GB9011977A patent/GB2230885B/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2156811A1 (en) * | 1971-11-16 | 1973-05-24 | Heinz Schubert | METHOD FOR AUTOMATIC DISPLAY OF ROUTE PLANS FOR VEHICLES, IN PARTICULAR FOR RAIL-MOUNTED VEHICLES, ADDITIONALLY AN AUTOMATIC SPEED CONTROL IS PROVIDED |
US4181943A (en) * | 1978-05-22 | 1980-01-01 | Hugg Steven B | Speed control device for trains |
DE3227547A1 (en) * | 1982-07-23 | 1984-02-02 | Teldix Gmbh, 6900 Heidelberg | Navigation system |
Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2678962A1 (en) * | 1991-07-12 | 1993-01-15 | Plasser Bahnbaumasch Franz | METHOD FOR DETERMINING THE DISTANCES OF THE ACTUAL POSITION OF A TRUNK OF RAILWAY. |
DE4137064C2 (en) * | 1991-11-11 | 2001-02-01 | Diessel Gmbh & Co | Measurement and data acquisition system |
WO1994005536A1 (en) * | 1992-08-31 | 1994-03-17 | Carrnovo Ab | Method to control in a track traffic system moving units, device for effecting of such control and process for installation of the device |
US5740046A (en) * | 1992-08-31 | 1998-04-14 | Abb Daimler Benz Transportation Signal Ab | Method to control in a track traffic system moving units, device for effecting of such control and process for installation of the device |
DE4235256A1 (en) * | 1992-10-20 | 1993-04-01 | Volker Klahn | Railway safety equipment monitoring position of end of train end by detecting transmitter - checks position using static rail-free report unit and, after leaving rail section, train end transmitter signal is located for comparison with theoretical data. |
DE4244624A1 (en) * | 1992-12-29 | 1994-06-30 | Mannesmann Ag | Method and device for determining driving data of a rail vehicle |
EP0605069A2 (en) * | 1992-12-29 | 1994-07-06 | MANNESMANN Aktiengesellschaft | Method and apparatus for measuring movement data of a rail vehicle |
EP0605069A3 (en) * | 1992-12-29 | 1994-08-17 | Mannesmann Ag | Method and apparatus for measuring movement data of a rail vehicle. |
WO1994029827A1 (en) * | 1993-06-09 | 1994-12-22 | Minnesota Mining And Manufacturing Company | Vehicle tracking system |
US5602739A (en) * | 1993-06-09 | 1997-02-11 | Minnesota Mining And Manufacturing Company | Vehicle tracking system incorporating traffic signal preemption |
DE4331431C1 (en) * | 1993-09-13 | 1995-03-02 | Elpro Ag | Traffic control device for controlling the driving operation and the traffic flow for the rail-bound traffic |
DE4331931A1 (en) * | 1993-09-14 | 1995-05-18 | Mannesmann Ag | Device for determining and processing the driving data of a rail vehicle |
EP0644098A2 (en) * | 1993-09-14 | 1995-03-22 | MANNESMANN Aktiengesellschaft | Apparatus for measuring and processing movement data of a rail vehicle |
EP0644098A3 (en) * | 1993-09-14 | 1997-07-16 | Mannesmann Ag | Apparatus for measuring and processing movement data of a rail vehicle. |
DE4408261A1 (en) * | 1994-03-11 | 1995-09-14 | Kreis Willibald Univ Prof Dr I | Rail vehicle goods waggon monitoring device |
US6879889B2 (en) * | 1994-05-05 | 2005-04-12 | H.R. Ross Industries, Inc. | Roadway-powered electric vehicle system having automatic guidance and demand-based dispatch features |
DE4434861A1 (en) * | 1994-09-29 | 1996-04-04 | Grundig Emv | Arrangement for securing railway lines |
WO1998007608A1 (en) * | 1996-08-16 | 1998-02-26 | Rebs Zentralschmiertechnik Gmbh | Process for lubricating the surface of a railway wheel and/or a railway track |
DE19636108A1 (en) * | 1996-09-05 | 1998-03-12 | Siemens Ag | Train location system |
DE19636108C2 (en) * | 1996-09-05 | 2001-05-23 | Siemens Ag | Train location system |
DE19647461A1 (en) * | 1996-11-16 | 1998-05-20 | Deutsche Bahn Ag | Rail vehicle position detection and identification method |
DE19647461C2 (en) * | 1996-11-16 | 2000-05-25 | Deutsche Bahn Ag | Device for the detection of railway vehicles |
DE19708559A1 (en) * | 1997-03-04 | 1998-09-10 | Alsthom Cge Alcatel | Process for controlling track-bound vehicles as well as vehicle computer and vehicle control system therefor |
EP0884233A1 (en) * | 1997-06-10 | 1998-12-16 | De Limon Fluhme Gmbh | Installation for wheel profile lubrification for railway vehicles |
DE19816435C1 (en) * | 1998-04-15 | 1999-06-17 | Deutsche Bahn Ag | Satellite locating apparatus |
DE19822803A1 (en) * | 1998-05-20 | 1999-11-25 | Alcatel Sa | Process for operating rail vehicles and train control center and vehicle device therefor |
CN100362363C (en) * | 2000-06-30 | 2008-01-16 | 阿尔斯托姆比利时股份有限公司 | Method for secure determination of object location, preferably vehicle moving known course |
US6768447B2 (en) | 2000-06-30 | 2004-07-27 | Alstom Belgium S.A. | Method for secure determination of an object location, preferably a vehicle moving along a known course |
WO2002003094A3 (en) * | 2000-06-30 | 2002-04-11 | Alstom Belgium Sa | Method for secure determination of an object location, preferably a vehicle moving along a known course |
WO2002003094A2 (en) * | 2000-06-30 | 2002-01-10 | Alstom Belgium S.A. | Method for secure determination of an object location, preferably a vehicle moving along a known course |
CZ304692B6 (en) * | 2000-06-30 | 2014-09-03 | Alstom Belgium S. A. | Method of determining the location and/or positioning of an object, in particular a vehicle such as a train moving along a known course and apparatus for making the same |
US7398140B2 (en) | 2003-05-14 | 2008-07-08 | Wabtec Holding Corporation | Operator warning system and method for improving locomotive operator vigilance |
WO2009043109A1 (en) * | 2007-10-05 | 2009-04-09 | United Group Rail Services Limited | Railroad vigilance system control unit |
US8965604B2 (en) | 2008-03-13 | 2015-02-24 | General Electric Company | System and method for determining a quality value of a location estimation of a powered system |
FR3063705A1 (en) * | 2017-03-08 | 2018-09-14 | Sncf Mobilites | METHOD AND SYSTEM FOR CONTROLLING THE SPEED OF A RAILWAY VEHICLE |
CN109572759A (en) * | 2018-11-19 | 2019-04-05 | 中车戚墅堰机车有限公司 | Net rail detects vehicle speed-limiting protection system |
RU2757131C1 (en) * | 2021-04-09 | 2021-10-11 | Акционерное общество "Научно-исследовательский и проектно-конструкторский институт информатизации, автоматизации и связи на железнодорожном транспорте" | Method for controlling trains when they are sequentially departing from the station |
Also Published As
Publication number | Publication date |
---|---|
GB9011977D0 (en) | 1990-08-22 |
GB2230885A (en) | 1990-10-31 |
GB2230885B (en) | 1991-08-07 |
GB8728165D0 (en) | 1988-01-06 |
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