CN115503793A - Train control system supporting virtual linkage and operation method thereof - Google Patents
Train control system supporting virtual linkage and operation method thereof Download PDFInfo
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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
- B61L27/40—Handling position reports or trackside vehicle data
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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
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
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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
- B61L27/70—Details of trackside communication
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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
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
- B61L2027/204—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation using Communication-based Train Control [CBTC]
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Abstract
The invention discloses a train control system supporting virtual linkage and an operation method thereof, wherein the operation method of the train control system comprises the following steps: the dispatching center equipment generates a virtual coupling command and forwards the virtual coupling command to corresponding train equipment through the temporary speed limiting server; and the temporary speed limit server reports the execution condition of the virtual continuous hanging command to the dispatching center equipment according to the report information fed back by each train equipment and performs corresponding processing. The train control system can support the virtual linkage technology, effectively shortens the driving interval, considers the abnormity of issuing the plan, has higher availability, and the temporary speed limit server is the existing equipment of the train control system, does not need to newly add equipment types, greatly reduces the cost and is suitable for the existing train control system in China.
Description
Technical Field
The invention relates to a train equipment signal control system, in particular to a train control system supporting virtual linkage operation and an operation method.
Background
The train control technology is changed from fixed blocking to movable blocking, the tracking interval is continuously smaller before and after the train equipment is pursued, the smaller tracking interval means the same line, more trains can be operated simultaneously, the transportation capacity is higher, the cost for reconstructing and expanding the line can be effectively reduced, and the transportation efficiency is higher. With the development of computer technology, communication technology, control technology, and the like, control technology based on relative distance is becoming increasingly possible. Currently, the authorization of a rear vehicle can only reach the rear of a front vehicle at the farthest based on a target-distance tracking mode. The virtual coupling technology is based on the speed and acceleration information of the front vehicle, the authorization of the rear vehicle can be properly on the premise, the limit of the tail of the front vehicle is broken through, the interval between the front vehicle and the rear vehicle can be effectively shortened, and the purpose of improving the efficiency is achieved. The virtual coupling aims at the communication between vehicles, uses soft connection to represent the traditional hard hook technology, connects a plurality of train devices through soft hooks, operates in the integral form of train device groups, and gradually becomes the research hotspot of the train device technology.
The CTCS system is a train control system in China, and the temporary speed limit server is a core device of the CTCS and has the functions of temporary speed limit command management, operation plan issuing, electronic map management and the like. However, the current CTCS architecture does not support virtual concatenation related techniques.
Disclosure of Invention
The invention provides a train control system supporting virtual linkage, wherein a temporary speed limiting server of the train control system can support receiving of virtual linkage information from a dispatching center device and forwarding of the virtual linkage information to a vehicle-mounted device, so that the virtual linkage function of the train control system is realized.
In order to achieve the above object, the present invention provides a train control system supporting virtual hitching, comprising:
a scheduling center device for generating a virtual concatenation command;
the temporary speed limiting server is connected with the dispatching center equipment and is used for sending the virtual linkage command to the train equipment and reporting the execution condition of the virtual linkage command to the dispatching center equipment according to the report information fed back by each train equipment;
the temporary speed limit server includes: and the configuration module is used for carrying out corresponding processing according to the execution condition of the virtual linkage command.
Further, the temporary speed limit server further includes:
the receiving module is used for receiving the virtual coupling command and report information fed back by each train device;
the sending module is used for sending the virtual linkage command to each train device and sending report information of the virtual linkage command execution condition of the train devices to the dispatching center device;
and the judging module is used for judging the virtual coupling state of each train device according to the report information fed back by each train device so as to obtain the execution condition of the virtual coupling command.
Further, the temporary speed limit server further includes:
and the registration module is used for registering the train equipment information in the temporary speed limit server.
Further, the temporary speed limit server further includes:
the storage module is used for storing the virtual linkage command in a local memory and a disk;
and the reissue module is connected with the storage module and is used for reissuing the lost virtual coupling command to the train equipment or reissuing the corresponding virtual coupling command to the train equipment which does not successfully execute the virtual coupling operation.
Further, the report information fed back by the train equipment comprises: virtual hitching state, and with which train devices to virtually hitch.
Based on the same conception, the invention also provides a train control system operation method supporting virtual linkage, which comprises the following steps:
the dispatching center equipment generates a virtual coupling command and forwards the virtual coupling command to the corresponding train equipment through the temporary speed limiting server;
and the temporary speed limit server reports the execution condition of the virtual continuous hanging command to the dispatching center equipment according to the report information fed back by each train equipment.
Further, the virtual hitching command comprises: virtual hitching operation information or virtual hitching operation releasing information; the virtual hitching operation information or the virtual hitching release operation information includes ID information of train equipment performing corresponding operations.
Further, the operating method further comprises: when the temporary speed limit server detects that the train equipment which is not registered in the temporary speed limit server exists, the temporary speed limit server feeds back an error receipt to the dispatching center equipment and stops issuing the virtual linkage command.
Further, the method also comprises the following steps: and the dispatching center equipment issues the virtual linkage command to the temporary speed limit server again at a certain time interval, and the temporary speed limit server registers the train equipment in the time interval.
Further, the temporary speed limit server stores the received virtual coupling command in a local disk, and automatically reissues a corresponding virtual coupling command to the train equipment which loses the virtual coupling command or the train equipment which does not successfully execute the virtual coupling command.
Further, the temporary speed limit server can also receive a vehicle-mounted report fed back by the train equipment, and can know whether the virtual linkage command is lost or not according to the vehicle-mounted report.
Further, the method for reporting the virtual linkage command execution condition to the dispatching center equipment by the temporary speed limit server according to the report information fed back by each train equipment and performing corresponding processing specifically comprises the following steps:
and configuring and issuing the longest waiting allowable time, and if the temporary speed limit server receives report information fed back by each train device within the configured time, sending a virtual connection command to the dispatching center device to execute a successful receipt.
Further, the temporary speed limit server sends a virtual connection command to the dispatching center equipment for multiple times at a certain time interval to execute a successful receipt.
Further, the method also comprises the following steps:
if the virtual linking command is virtual linking operation information, and the temporary speed limit server only receives report information fed back by part of the train equipment or does not receive report information fed back by the train equipment within the configuration time, the temporary speed limit server sends a virtual linking command execution failure receipt to the dispatching center equipment, directly clears the virtual linking command according to the configuration, and waits for the dispatching center equipment to send the virtual linking command again.
Further, the method also comprises the following steps:
if the virtual hitching command is virtual hitching operation information and report information fed back by each train device is received within the configuration time, the temporary speed limit server can be configured not to locally clear the virtual hitching command so as to automatically reissue the virtual hitching command after the train device loses the virtual hitching command.
If the virtual coupling command is virtual coupling operation information and only report information fed back by part of the train equipment is received within the configuration time, the temporary speed limit server sends a virtual coupling command execution failure receipt to the dispatching center equipment, configures the temporary speed limit server to directly clear the virtual coupling command and waits for the dispatching center equipment to issue the virtual coupling command again; or configuring the temporary speed limit server to continuously issue a virtual linkage command to part of the train equipment which does not feed back the report information until all the train equipment feeds back the report information or until the virtual linkage release operation information issued by the dispatching center equipment is received.
If the virtual coupling command is virtual coupling operation information and report information fed back by any train equipment is not received within the configuration time, the temporary speed limit server sends a virtual coupling command execution failure receipt to the dispatching center equipment, and configures the temporary speed limit server to continuously issue the virtual coupling command to the train equipment until receiving contact virtual coupling operation information issued by the dispatching center equipment.
If the virtual linkage command is the information for releasing the virtual linkage operation, and the temporary speed limiting server only receives report information fed back by part of the train equipment or does not receive report information fed back by the train equipment in the configuration time, the temporary speed limiting server sends a virtual linkage command execution failure receipt to the dispatching center equipment, and directly clears the virtual linkage command execution failure receipt according to the configuration
The invention has the following advantages:
the train control system can support the virtual linkage technology, effectively shortens the driving interval, considers the abnormity of plan issuing and has higher usability. And the temporary speed limiting server is the existing equipment of the train control system, and no new equipment type is needed, so that the cost is greatly reduced, and the method is suitable for the existing train control system in China.
Drawings
Fig. 1 is a schematic structural diagram of a train control system supporting virtual concatenation according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart of an operation method of a train control system according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are each provided with a non-precise ratio for the purpose of facilitating and clearly facilitating the description of the embodiments of the present invention.
In order to meet the requirement of the next development of the train control technology and adapt to the national conditions of China, the invention provides the train control system supporting the virtual linkage, which can effectively shorten the interval between the front train and the rear train and achieve the aim of improving the efficiency.
As shown in fig. 1, the train control system supporting virtual hitching according to the present invention includes: the system comprises dispatching center equipment and a temporary speed limiting server which supports virtual connection, wherein the dispatching center equipment is in communication connection with each other. And the dispatching center equipment is used for generating a virtual linkage command and receiving the execution condition of the virtual linkage command fed back by the temporary speed limiting server. The temporary speed limiting server is used for sending the virtual linkage command to each train device, reporting the execution condition of the virtual linkage command to the dispatching center device according to the report information fed back by each train device, and simultaneously carrying out corresponding processing according to the execution condition of the virtual linkage command.
Wherein the virtual chaining command comprises: virtual hitching operation information or virtual hitching operation releasing information; the virtual hitching operation information or the virtual hitching release operation information includes ID information of a train device that performs a corresponding operation. The report information fed back by the train equipment comprises: the virtual linkage state of the train equipment and the train equipment which is virtually linked with the train equipment.
Specifically, the temporary speed limit server includes:
the receiving module is used for receiving the virtual linkage command and report information fed back by each train device;
the sending module is used for sending the virtual linkage command to each train device and sending report information of the virtual linkage command execution condition of the train devices to the dispatching center device;
the judging module is used for judging the virtual coupling state of each train device according to the report information fed back by each train device so as to obtain the execution condition of the virtual coupling command;
the configuration module is connected with the judgment module and is used for carrying out corresponding processing according to the execution condition of the virtual linkage command;
the storage module is used for storing the virtual linkage command in a local disk;
the reissue module is connected with the storage module and is used for reissuing the lost virtual linkage command to the train equipment or reissuing the corresponding virtual linkage command to the train equipment which does not successfully execute the virtual linkage command;
and the registration module is used for registering the train equipment information in the temporary speed limit server.
In addition, the temporary speed limit server also comprises an existing function module so as to realize the execution of the existing function of the temporary speed limit server.
The temporary speed limiting server is the existing equipment of the train control system and has good interconnection and interoperability. In the embodiment, the function module is additionally arranged in the temporary speed limiting server, so that the virtual linkage function of the train control system can be supported on the basis of realizing the existing function, the type of equipment does not need to be additionally arranged, and the cost is reduced.
Based on the same concept, the invention also provides a train control system operation method supporting virtual linkage, as shown in fig. 2, comprising the following steps:
s1, the dispatching center equipment generates a virtual linkage command and sends the virtual linkage command to a temporary speed limiting server.
And S2, the temporary speed limit server stores and forwards the virtual linkage command to the corresponding train equipment.
Specifically, the virtual hitching command includes ID information of train equipment that executes corresponding operations, and in step S2, if the temporary speed limit server detects that there is train equipment that has not yet been registered in the temporary speed limit server, the temporary speed limit server feeds back an error receipt to the scheduling center equipment, and stops issuing the virtual hitching command. And the dispatching center equipment issues the virtual linkage command to the temporary speed limit server again at a certain time interval, and the temporary speed limit server registers the train equipment in the time interval. And after all the train equipment is registered, the temporary speed limiting server forwards the virtual connection command to the corresponding train equipment.
And after receiving the virtual linkage command, the train equipment executes corresponding operation, namely virtual linkage operation or virtual linkage connection releasing operation, and feeds back report information to the temporary speed limiting server after the execution is finished. Meanwhile, the train equipment also sends a vehicle-mounted report to the temporary speed limit server at a certain time period, and in the embodiment, the time period is configured to be 6 seconds. When the train equipment breaks down, the temporary speed limit server can know whether the train equipment loses the corresponding virtual connection command or not according to the vehicle-mounted report.
The temporary speed limiting server stores the received virtual linkage command in a local disk, and when the virtual linkage command is lost by the train equipment, the temporary speed limiting server can automatically reissue the corresponding virtual linkage command. Or after the temporary limit server is powered off and restarted, the temporary speed limit server can automatically reissue a virtual connection command to the train equipment which does not feed back the report information, so as to prevent manual omission.
And S3, the temporary speed limit server reports the execution condition of the virtual linkage command to the dispatching center equipment according to the report information fed back by each train equipment.
Specifically, in step S3, the temporary speed limit server is configured to issue the longest waiting time, and if the report information fed back by each train device is received within the configured time, the temporary speed limit server sends a virtual hitching command to the scheduling center device to execute a successful receipt, that is, a successful receipt for executing a virtual hitching operation of the train device is sent, or a successful receipt for releasing the virtual hitching operation of the train device is sent. Further, the temporary speed limit server sends a virtual connection command to the dispatching center equipment for multiple times at a certain time interval to execute a successful receipt.
If only the report information fed back by part of the train equipment is received within the configuration time or the report information fed back by any train equipment is not received, sending a virtual linking command execution failure receipt to the dispatching center equipment, namely, the virtual linking operation execution failure receipt of the train equipment or the virtual linking operation release execution success receipt of the train equipment.
And S4, the temporary speed limiting server performs corresponding processing according to the virtual linkage command execution condition.
Specifically, the following types can be roughly classified according to the type of the virtual hitching command:
when the virtual linkage command is virtual linkage operation information, and after the temporary speed limit server sends a virtual linkage command execution success receipt to the scheduling center, the temporary speed limit server can be configured to clear the virtual linkage command from the local disk; the temporary speed limit server can automatically send corresponding virtual connection commands to the train equipment losing the virtual connection commands when certain train equipment fails.
When the virtual linkage command is virtual linkage operation information and the temporary speed limit server only receives report information fed back by part of the train equipment within the configuration time, the temporary speed limit server sends a virtual linkage command execution failure receipt to the dispatching center equipment, and then the temporary speed limit server is configured to directly clear the virtual linkage command and wait for the dispatching center equipment to issue the virtual linkage command again. Or the virtual hitching command is configured to be continuously issued to part of the train devices which do not feed back the report information until all the train devices feed back the report information, or the virtual hitching releasing operation information sent by the dispatching center device is received.
When the virtual coupling command is virtual coupling operation information and the temporary speed limit server does not receive report information fed back by any train equipment within the configuration time, after the temporary speed limit server sends a virtual coupling command execution failure receipt to the dispatching center equipment, the temporary speed limit server is configured to continuously issue the virtual coupling command to the train equipment until receiving contact virtual coupling operation information issued by the dispatching center equipment.
When the virtual linkage command is the information for releasing the virtual linkage operation, and the temporary speed limit server sends the virtual linkage command to the scheduling center to execute the successful receipt, the temporary speed limit server is configured to directly clear the virtual linkage command in the local disk.
When the virtual coupling command is the information for releasing the virtual coupling operation, the temporary speed limit server only receives report information fed back by part of the train equipment or report information fed back by no train equipment within the configuration time, and sends a successful receipt of the virtual coupling command to the dispatching center, and the temporary speed limit server is configured to clear the virtual coupling command.
Examples
In this embodiment, the train devices to be virtually linked are a train device a, a train device B, and a train device C, respectively.
Step 1, after the dispatching center equipment plans to make new virtual continuous hanging operation information, the information is issued to a temporary speed limiting server.
And 2, the temporary speed limit server finds that the train equipment C is not registered according to the virtual continuous operation information, and directly returns an error receipt to the dispatching center equipment.
And 3, the train equipment C finishes registration, the dispatching center equipment sends the virtual linkage operation information again, and the virtual linkage operation information is forwarded to the train equipment A, the train equipment B and the train equipment C through the temporary speed limiting server.
And 4, configuring the longest waiting time for sending as 27 seconds, receiving the virtual hitching operation information and feeding back report information to the temporary speed limiting server in 6 seconds and 8 seconds before and after the train equipment A and the train equipment B, feeding back no report information when the train equipment C exceeds 27 seconds, and sending a virtual hitching operation information execution failure receipt to the dispatching center equipment by the temporary speed limiting server.
And 5, configuring the temporary speed limit server to continuously send the virtual continuous hanging operation information to the train equipment C which does not feed back the report information.
And 6, after the fault of the train equipment C is repaired, the temporary speed limiting server receives report information fed back by the train equipment A, B, C, sends the virtual hitching operation information to the dispatching center equipment, executes a successful receipt, and is configured not to clear the virtual hitching operation information from the local disk.
And 7, restarting the down of the train equipment B, acquiring the lost virtual linkage operation information by the temporary speed limit server according to the vehicle-mounted report of the train equipment B, automatically transmitting the virtual linkage operation information to the train equipment B again, and receiving the report information fed back by the train equipment A, B, C by the temporary speed limit server again.
And 8, when the virtual train connection equipment arrives at the terminal, the dispatching center equipment formulates virtual connection releasing operation information, and forwards the virtual connection releasing operation information to the train equipment A, B, C through the temporary speed limiting server, and the train equipment A, B, C receives and executes the virtual connection releasing operation information and feeds back report information to the temporary speed limiting server.
And 9, the temporary speed limiting server sends a response of successful execution of the information of the virtual linked operation to the dispatching center equipment, and the information of the virtual linked operation is cleared from the local.
The train control system provided by the invention supports a virtual coupling technology, can effectively shorten the interval between front and rear trains, and achieves the purpose of improving the efficiency. And the temporary speed limiting server is the existing equipment of the train control system, and the type of newly added equipment is not needed, so that the cost is greatly reduced.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (16)
1. A train control system supporting virtual hitching, comprising:
a scheduling center device for generating a virtual concatenation command;
the temporary speed limiting server is connected with the dispatching center equipment and is used for sending the virtual linkage command to the train equipment and reporting the execution condition of the virtual linkage command to the dispatching center equipment according to the report information fed back by each train equipment;
the temporary speed limit server includes: and the configuration module is used for carrying out corresponding processing according to the execution condition of the virtual linkage command.
2. The train control system of claim 1, wherein the temporary speed limit server further comprises:
the receiving module is used for receiving the virtual linkage command and report information fed back by each train device;
the sending module is used for sending the virtual linkage command to each train device and sending the virtual linkage command execution condition of the train device to the dispatching center device;
and the judging module is used for judging the virtual coupling state of each train device according to the report information fed back by each train device so as to obtain the execution condition of the virtual coupling command.
3. The train control system of claim 1, wherein the temporary speed limit server further comprises:
and the registration module is used for registering the train equipment information.
4. The train control system of claim 1, wherein the temporary speed limit server further comprises:
the storage module is used for storing the virtual linkage command in a local memory and a disk;
and the reissue module is connected with the storage module and is used for reissuing the lost virtual coupling command to the train equipment or reissuing the corresponding virtual coupling command to the train equipment which does not successfully execute the virtual coupling operation.
5. The train control system of claim 1, wherein the virtual hitching command comprises: virtual hitching operation information or virtual hitching operation release information; the virtual hitching operation information or the virtual hitching release operation information includes ID information of train equipment performing corresponding operations.
6. The train control system according to claim 1, wherein the report information fed back by the train equipment comprises: virtual hitching state, and with which train devices to virtually hitch.
7. An operation method applied to the train control system according to any one of claims 1 to 6, comprising the steps of:
the dispatching center equipment generates a virtual coupling command and forwards the virtual coupling command to corresponding train equipment through the temporary speed limiting server;
and the temporary speed limit server reports the execution condition of the virtual continuous hanging command to the dispatching center equipment according to the report information fed back by each train equipment and performs corresponding processing.
8. The method of operating a train control system of claim 7, further comprising the steps of: when the temporary speed limit server detects that the train equipment which is not registered in the temporary speed limit server exists, the temporary speed limit server feeds back an error receipt to the dispatching center equipment and stops issuing the virtual linkage command.
9. The method of operating a train control system of claim 8, further comprising the steps of: and the dispatching center equipment issues the virtual linkage command to the temporary speed limit server again at a certain time interval, and the temporary speed limit server registers the train equipment in the time interval.
10. The method of operating a train control system of claim 7, further comprising the steps of: and the temporary speed limiting server stores the received virtual coupling command in a local disk, and automatically re-sends a corresponding virtual coupling command to the train equipment losing the virtual coupling command or the train equipment not successfully executing the virtual coupling command.
11. The operating method of the train control system according to claim 10, wherein the temporary speed limit server knows whether it has lost the virtual hitching order according to an on-board report of the train equipment.
12. The operating method of the train control system according to claim 7, wherein the method for reporting the virtual hitching command execution situation to the dispatching center equipment by the temporary speed limit server according to the report information fed back by each train equipment and performing corresponding processing comprises the following steps:
and configuring and issuing the longest waiting allowable time, if the temporary speed limit server receives report information fed back by each train device within the configured time, sending a successful receipt of the virtual connection command execution to the dispatching center device, and configuring the temporary speed limit server to remove the virtual connection command from the local.
13. The method of operating a train control system of claim 12, further comprising the steps of:
if the virtual hitching command is virtual hitching operation information and report information fed back by each train device is received within the configuration time, the temporary speed limit server can be configured not to locally clear the virtual hitching command so as to automatically reissue the virtual hitching command after the train device loses the virtual hitching command.
14. The method of operating a train control system of claim 12, further comprising the steps of:
if the virtual coupling command is virtual coupling operation information and only report information fed back by part of the train equipment is received within the configuration time, the temporary speed limit server sends a virtual coupling command execution failure receipt to the dispatching center equipment, configures the temporary speed limit server to directly clear the virtual coupling command, and waits for the dispatching center equipment to issue the virtual coupling command again; or configuring the temporary speed limit server to continuously issue a virtual linkage command to part of the train equipment which does not feed back the report information until all the train equipment feeds back the report information or until the virtual linkage release operation information issued by the dispatching center equipment is received.
15. The method of operating a train control system of claim 12, further comprising the steps of:
if the virtual coupling command is virtual coupling operation information and report information fed back by any train equipment is not received within the configuration time, the temporary speed limit server sends a virtual coupling command execution failure receipt to the dispatching center equipment and configures the temporary speed limit server to continuously issue the virtual coupling command to the train equipment until the virtual coupling operation information issued by the dispatching center equipment is received.
16. The operating method of the train control system according to claim 12, wherein if the virtual hitching order is the virtual hitching job releasing information and the temporary speed limit server receives only the report information fed back by part of the train equipment or does not receive the report information fed back by the train equipment within the configuration time, the temporary speed limit server sends the virtual hitching order execution failure receipt to the scheduling center equipment and directly clears the virtual hitching order according to the configuration.
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