EP2253525A1 - Zugsteuerungsverfahren, -vorrichtung und -system - Google Patents

Zugsteuerungsverfahren, -vorrichtung und -system Download PDF

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Publication number
EP2253525A1
EP2253525A1 EP10159207A EP10159207A EP2253525A1 EP 2253525 A1 EP2253525 A1 EP 2253525A1 EP 10159207 A EP10159207 A EP 10159207A EP 10159207 A EP10159207 A EP 10159207A EP 2253525 A1 EP2253525 A1 EP 2253525A1
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EP
European Patent Office
Prior art keywords
rbc
train
control
data
trains
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
EP10159207A
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English (en)
French (fr)
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EP2253525B1 (de
Inventor
Chen Guanghui
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of EP2253525A1 publication Critical patent/EP2253525A1/de
Application granted granted Critical
Publication of EP2253525B1 publication Critical patent/EP2253525B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • B61L27/30—Trackside multiple control systems, e.g. switch-over between different systems
    • B61L27/33—Backup systems, e.g. switching when failures occur

Definitions

  • the present invention relates to a control technology, and in particular, to a train control method, device and system.
  • a train control system is used to guarantee the safety of trains and to avoid such accidents as over speed, rear collision and side collision.
  • a communication based train control system (CBTC) is a widely used train control system.
  • the CBTC system may include an interlocking (IL) device, a radio block centre (RBC) and a centralized traffic control (CTC) device.
  • the CTC is adapted to dispatch trains in centralized mode and may include a temporary speed restriction server (TSRS), which is adapted to send temporary speed restriction commands.
  • TSRS temporary speed restriction server
  • the IL is adapted to: detect the occupancy states of train tracks, dispatch trains to routes according to the commands from the CTC, and notify the RBC of the occupancy states of the train tracks and train route information.
  • the RBC is adapted to: authorize the operation of an on-board device in a train and control the startup, stop, speed and direction of the train.
  • the prior art has at least following weaknesses: When the RBC is faulty, the train will be affected; the system may be degraded; the speed of the train may be affected; and the train schedule has to be changed. In particular, the safety of the train may be greatly reduced due to RBC failures in cases of sudden accidents or natural disasters.
  • Embodiments of the present invention provide a train control method, device and system to improve the safety of the trains.
  • embodiments of the present invention have the following merits:
  • the train control data of the RBC is backed up so that the RBC may be replaced to control the trains when the trains controlled by the RBC need alternative control.
  • the RBC may be replaced to control the trains, which guarantees that the trains run normally under control and improves the safety of the trains.
  • FIG. 1 is a flowchart of a train control method in the first embodiment of the present invention. The method includes the following steps:
  • the RBC may be replaced to control the trains to guarantee that the trains run normally, which improves the safety of the trains.
  • the step of backing up the data of the RBC in the method may include: obtaining the train control data of the RBC at a preset interval, and backing up the train control data of the RBC on a real-time and synchronous basis.
  • a standby RBC may be set to back up the train control data of the RBC on a real-time and synchronous basis, to synchronize the backup data with the train control data of the RBC on a real-time basis, so that alternative control may be performed when necessary.
  • the train control data may include the ID, speed and location of a train.
  • the method further includes: judging whether the trains are controlled by the RBC according to the backup data; and controlling the trains by using the backup data if the trains are controlled by the RBC.
  • the alternative control information is used for requesting alternative control.
  • S11 may include: obtaining the alternative control information of a running train by receiving a session request from an on-board device in the train.
  • a standby RBC is set to receive the session request from the on-board device, where the session request indicates that the train where the on-board device is located needs to communicate with the standby RBC to seek alternative control.
  • the method may further include: before controlling the trains by using the backup data, judging whether the RBC is abnormal through a heartbeat connection with the RBC; if so, replacing the RBC to control the trains managed by the RBC by using the backup data.
  • the standby RBC does not perform alternative control immediately but judges whether the RBC is working normally through the heartbeat connection with the RBC. If the heartbeat connection is abnormal, it is indicated that the RBC cannot work normally, and the standby RBC performs alternative control; if the heartbeat connection is normal, the standby RBC does not perform alternative control.
  • the standby RBC does not perform alternative control. After the temporary failure is removed and the communication between the RBC and the train is restored, the RBC still can control the train, which avoids handing over alternative control due to the temporary failure.
  • S11 may include: obtaining the alternative control information of the trains managed by the RBC from the RBC.
  • the RBC when the RBC cannot control all or part of the trains managed by the RBC, the RBC notifies the standby RBC of uncontrollable trains as trains that require alternative control.
  • the RBC may actively notify the standby RBC of alternative control information of the trains that require alternative control; or the standby RBC may obtain the alternative control information of the trains through the heartbeat connection with the RBC.
  • the standby RBC When the heartbeat connection is already established between the standby RBC and the RBC, the standby RBC performs alternative control on the trains controlled by the RBC if the standby RBC finds that the heartbeat of the RBC is abnormal, which indicates that the RBC may not control the trains managed by the RBC due to failures. It is understandable that the standby RBC may obtain the alternative control information from a third party entity besides the RBC or on-board device.
  • the step of replacing the RBC to control the trains may include: performing move authorization for the trains, and controlling the trains, where the move authorization is to provide the trains with train control information.
  • the method may further include: providing other RBCs with the train control data of an RBC.
  • the train control data of the standby RBC may also be backed up by other RBCs, so that other RBCs may perform alternative control on the trains controlled by the standby RBC in case of alternative control requirements.
  • two RBCs may act as the standby RBC of each other and back up data of each other.
  • An RBC A may store its own train control data in its database, and also store the train control data of an RBC B to back up the data of the RBC B; the RBC B also stores its own train control data and train control data of the RBC A.
  • the other party may perform alternative control on such trains by using the backup data to hand over the control and guarantee the normal running of the trains.
  • FIG. 2 is a flowchart of a train control method in the second embodiment of the present invention. The method may include the following steps:
  • the standby RBC may replace the RBC to control the trains and guarantee the safety of the trains.
  • the alternative control information may be a session request.
  • the on-board devices of trains may send a session request to notify the standby RBC of performing alternative control. Accordingly, after sending the session request, the on-board devices of the trains may obtain session permission from the standby RBC. After obtaining the session permission from the standby RBC, the method may further include: obtaining the move authorization of the standby RBC. After obtaining the authorization, the trains may accept the control of the standby RBC and keep normal running.
  • the on-board devices of the trains may be preset to know the existence of the standby RBC in advance before the trains run, so that the trains may send the alternative control information to the standby RBC when necessary. Certainly, the trains may know existence of the standby RBC through the RBC or other third party entities.
  • the connection with the RBC may fail several times. Specifically, when the on-board devices in the trains cannot keep normal communications with the RBC due to connection failures, the on-board devices may send a session request to the standby RBC or continue establishing a connection with the RBC. After the connection fails several times, the on-board devices may send a session request to the standby RBC to seek alternative control.
  • the method may further include: receiving and managing the device data of the RBC or the standby RBC or both the device data of the RBC and the standby RBC.
  • the trains may obtain the information of the standby RBC by receiving and managing the device data of the RBC and the standby RBC, so that the trains can send a session request for seeking alternative control to the standby RBC when necessary.
  • the device data of the RBC includes the ID and telephone number of the RBC.
  • FIG. 3 is a flowchart of a preferred train control method in the third embodiment of the present invention. The method may include the following steps:
  • the RBC is considered faulty if the connection fails three times.
  • the on-board device calls the standby RBC, and sends a session request to the standby RBC after the call connection succeeds.
  • the on-board device may call the telephone number of the access server in the standby RBC through the vehicle mounted station. After the call connection succeeds, the on-board device sends a session request to the standby RBC, requesting to accept the control of the standby RBC.
  • the standby RBC judges whether the train where the on-board device is located is controlled by the RBC; if so, the process proceeds to S34; otherwise, the standby RBC does not perform any operation.
  • the standby RBC backs up the data of the RBC. After receiving the call, the standby RBC judges whether the train where the on-board device is located is controlled by the RBC. When the backup data of the standby RBC includes the backup train control data of the train, it is indicated that the train is controlled by the RBC, and the standby RBC may use the backup data to control the train controlled by the RBC.
  • the standby RBC judges whether the RBC is faulty through a heartbeat connection with the RBC; if so, the standby RBC provides the on-board device with session permission.
  • the standby RBC determines that the RBC is faulty and continues to provide the on-board device with session permission to perform alternative control; if finding that the heartbeat of the RBC is normal, the standby RBC may continue to provide the on-board device with session permission, or reject the alternative control request of the on-board device, or report related information to the CTC for processing by the superior traffic control unit.
  • the on-board device After receiving the session permission, the on-board device notifies the standby RBC of its own location report and mobile authorization request.
  • the standby RBC generates move authorization for the on-board device according to the signal authorization of the IL, and controls the train where the on-board device is located.
  • the standby RBC sends a report to the CTC, notifying the CTC of completion of alternative control.
  • the standby RBC After replacing the old RBC to control the train managed by the RBC, the standby RBC notifies the CTC of the completion of alternative control.
  • the CTC receives a notification from the standby RBC, where the notification indicates that the train control is handed over and that the train can run normally.
  • the standby RBC may control the direction, speed, acceleration, startup and stop of the train according to the related train control information in the backup data of the standby RBC.
  • the standby RBC may contact the train at any time to update the information of the train and know the details of the train at any time.
  • the on-board device when the on-board device cannot establish a normal connection with the RBC, the on-board device sends a request to the standby RBC, requesting the standby RBC to perform alternative control. It is understandable that the alternative control request may be initiated by the RBC instead of the train. If the RBC wants the standby RBC to perform alternative control on the train controlled by the RBC, the RBC may send alternative control information to the standby RBC.
  • the standby RBC may judge whether the RBC is faulty through a heartbeat connection with the RBC, which facilitates the implementation of alternative control. For example, the RBC may actively disconnect the heartbeat connection with the standby RBC when wanting the standby RBC to perform alternative control.
  • the standby RBC may find that the heartbeat connection is already disconnected, and begin to perform alternative control.
  • the standby RBC may call the number of the on-board device to establish a connection. After the connection succeeds, the standby RBC sends an alternative control request to the train; if the train accepts the request, the standby RBC may provide the train with move authorization.
  • the RBC and the standby RBC may obtain the temporary speed restriction command of the CTC or track occupancy state or both the temporary speed restriction command of the CTC and track occupancy state, and obtain route information of the IL to control the train during the movement process.
  • two RBCs may act as the standby RBC of each other. When either of the two RBCs cannot continue controlling its trains, the other RBC may perform alternative control. Similarly, when the standby RBC backs up the data of a corresponding RBC, the standby RBC may also back up its own data to the RBC.
  • the RBC may control the trains by using the information such as locations, speeds and IDs of the trains.
  • the RBC may also back up such information to a corresponding standby RBC.
  • the on-board devices of the trains may send the information of the trains to the RBC and the standby RBC on a real-time basis, so that the standby RBC backs up the train data.
  • the on-board devices of the trains may also obtain the data of the RBC or the corresponding standby RBC, where the data may include telephone number and ID information, so that the trains interact with the RBC according to such data, which facilitates the implementation of control.
  • the on-board devices may input data through a driver machine interface (DMI) or read the data of the RBC through a balise.
  • DMI driver machine interface
  • the sender may send its data or information to the receiver through a third party.
  • a third party for example, a terrestrial access server.
  • the former mode is preferred.
  • FIG. 4 is a schematic diagram illustrating an RBC 40 in the fourth embodiment of the present invention.
  • the RBC 40 may include:
  • the RBC 40 backs up the data of the another RBC, so that the RBC 40 can perform alternative control when the another RBC cannot control its trains, which improves the safety of the trains.
  • the data backup module 41 may include:
  • the train controlling module 42 may include:
  • the judging unit 421 in the RBC 40 may judge whether the old RBC that controls the trains is faulty after obtaining a session request from the trains. If the RBC is faulty, alternative control may be performed, which may guarantee reliable alternative control and avoid unnecessary alternative control due to temporary failures of the old RBC.
  • the RBC 40 may further include a data providing module, which is adapted to provide other RBCs with the train control data of the RBC 40, where other RBCs are adapted to back up the train control data of the RBC 40.
  • a data providing module which is adapted to provide other RBCs with the train control data of the RBC 40, where other RBCs are adapted to back up the train control data of the RBC 40.
  • the other RBCs may replace the RBC 40 to control the trains according to the data of the RBC 40 backed up by the other RBCs.
  • two RBCs may act as the standby RBC of each other.
  • the other RBC may replace the RBC to control these trains, which improves the safety of the trains.
  • FIG. 5 is a schematic diagram illustrating an on-board device in the fifth embodiment of the present invention.
  • the on-board device 50 may include:
  • the on-board device 50 after failing to establish a connection with the first RBC, the on-board device 50 requests the second RBC 40 to replace the first RBC to control the trains, thus guaranteeing the safety of the trains.
  • the sending module 51 may include:
  • the alternative control information may be a session request initiated by the on-board device 50.
  • the on-board device 50 provides the second RBC 40 with alternative control information through the session request.
  • the on-board device 50 may further include: a permission accepting module 53, adapted to obtain session permission from the second RBC 40. After the session permission is obtained, it is indicated that the session request is permitted by the second RBC 40, and the second RBC 40 may establish sessions with the on-board device 50 to perform alternative control.
  • the on-board device 50 may further include: a data managing module 54, adapted to receive and manage the device data of the first RBC or the second RBC 40.
  • the device data may be used for interactions with the first RBC or the second RBC 40, which facilitates the control acceptance.
  • the device data of an RBC includes the telephone number and ID of the RBC.
  • FIG. 6 is schematic diagram illustrating a train control system in the sixth embodiment of the present invention.
  • the train control system may include:
  • the second RBC 62 of the train control system may replace the first RBC 61 to control the trains managed by the first RBC 61 when necessary.
  • the trains are still controllable, which improves the safety of the trains.
  • the first RBC 61 may provide the second RBC 62 with the alternative control information of the trains, notifying the second RBC 62 of performing alternative control.
  • the alternative control information of the trains may be provided to the second RBC 62 by the on-board devices of the trains or other third party entities.
  • the system may further include: an on-board device 63, located in the trains and adapted to provide the second RBC 62 with the alternative control information of the trains to indicate that the trains need alternative control when failing to establish a connection with the RBC 61. Then, the on-board device 63 may accept the control of the second RBC 62.
  • the system may further include a CTC 64, adapted to send a temporary speed restriction command to the first RBC 61 or the second RBC 62 or both.
  • the system may further include an IL 65, adapted to provide the first RBC 61 or the second RBC 62 or both RBC with the track occupancy state and route information.
  • the first RBC 61 or the second RBC 62 may control the trains according to the temporary speed restriction command of the CTC and route information of the IL 65, or according to track occupancy state and route information of the IL 65.
  • the second RBC 62 may be an independent standby device or a normal RBC.
  • the second RBC 62 and the first RBC 61 may act as the standby device of each other.
  • the other party may take its place to control the trains.
  • the first RBC 61 and the second RBC 62 may, by establishing a heartbeat connection, detect the state of each other on a real-time basis, find failures of each other and perform alternative control immediately. In actual applications, there may be more than one second RBC 62.
  • the program may be stored in a computer readable storage medium.
  • the storage medium may be a magnetic disk, a compact disk (CD), a read-only memory (ROM) or a random access memory (RAM).
  • a standby RBC may be used to perform alternative control and replace the RBC to control the trains.
  • the method can guarantee that the trains run normally under control and improve the safety of the trains.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephonic Communication Services (AREA)
EP10159207.9A 2009-05-18 2010-04-07 Zugsteuerungsverfahren, -vorrichtung und -system Not-in-force EP2253525B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101073526A CN101890971B (zh) 2009-05-18 2009-05-18 一种列车运行控制方法、设备和系统

Publications (2)

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EP2253525A1 true EP2253525A1 (de) 2010-11-24
EP2253525B1 EP2253525B1 (de) 2013-09-18

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KR101164767B1 (ko) 2011-08-25 2012-07-12 한국철도공사 철도의 연동장치와 무선폐색장치간 통신 인터페이스 시스템 및 그 운용방법
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EP2746131A4 (de) * 2011-05-16 2015-10-07 Beijing Nat Railway Res & Design Inst Of Signal & Comm Co Ltd Verfahren zur sicherheitsüberwachung und -verarbeitung eines eisenbahnzuges auf basis eines funkblockzentrums
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EP2746131A4 (de) * 2011-05-16 2015-10-07 Beijing Nat Railway Res & Design Inst Of Signal & Comm Co Ltd Verfahren zur sicherheitsüberwachung und -verarbeitung eines eisenbahnzuges auf basis eines funkblockzentrums
CN102332969A (zh) * 2011-06-21 2012-01-25 北京康拓红外技术有限公司 针对红外线轴温探测系统的数据报文传输确认及重传方法
CN102332969B (zh) * 2011-06-21 2013-12-18 北京康拓红外技术股份有限公司 针对红外线轴温探测系统的数据报文传输确认及重传方法
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CN101890971A (zh) 2010-11-24
CN101890971B (zh) 2013-01-23
EP2253525B1 (de) 2013-09-18

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