CN115503793B - Train control system supporting virtual connection and operation method thereof - Google Patents
Train control system supporting virtual connection and operation method thereof Download PDFInfo
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- CN115503793B CN115503793B CN202211184722.8A CN202211184722A CN115503793B CN 115503793 B CN115503793 B CN 115503793B CN 202211184722 A CN202211184722 A CN 202211184722A CN 115503793 B CN115503793 B CN 115503793B
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- 230000005856 abnormality Effects 0.000 abstract description 2
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- 230000000903 blocking effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
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Classifications
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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 vehicle 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 vehicle train, e.g. braking curve calculation
- B61L2027/204—Trackside control of safe travel of vehicle or vehicle train, e.g. braking curve calculation using Communication-based Train Control [CBTC]
Abstract
The invention discloses a train control system supporting virtual connection 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 connection command and forwards the virtual connection command to the corresponding train equipment through the temporary speed limiting server; and the temporary speed limiting server reports the execution condition of the virtual connection command to the dispatching center equipment according to the report information fed back by each train equipment and carries out corresponding processing. The train control system can support a virtual link technology, effectively shortens the driving interval, considers the abnormality in the process of issuing a plan, has higher availability, and the temporary speed limiting server is the existing equipment of the train control system, does not need to add new 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 link operation and an operation method.
Background
The train control technology is subjected to the transition of fixed blocking and moving blocking, and the track interval is continuously reduced before and after train equipment is pursued, so that the track interval is reduced, the same line is meant, more vehicles can be operated at the same time, the transportation capacity is higher, the cost of 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 distances has become increasingly possible. Currently, based on the target-distance tracking mode, the rear vehicle is authorized to reach the tail of the front vehicle at the maximum. The virtual linking technology is based on the speed and acceleration information of the front vehicle, the authorization of the rear vehicle can be properly carried out, the limit of the tail of the front vehicle is broken through, the distance between the front vehicle and the rear vehicle can be effectively shortened, and the aim of improving the efficiency is fulfilled. The virtual connection aims at communicating through the train and the vehicle, and the soft connection is used for representing the traditional hard hook technology, so that a plurality of train devices are connected through the soft hook and run in the whole form of a train device group, and the virtual connection gradually becomes a research hot spot of the train device technology.
The CTCS system is a train control system in China, and the temporary speed limiting server is core equipment of the CTCS and has the functions of temporary speed limiting command management, operation plan issuing, electronic map management and the like. However, the CTCS system does not support the virtual concatenation related technology at present.
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 virtual linkage information from a dispatching center device and forwarding the virtual linkage information to vehicle-mounted equipment, so that the virtual linkage function of the train control system is realized.
In order to achieve the above objective, the present invention provides a column control system supporting virtual connection, comprising:
a dispatch center device for generating a virtual join command;
the temporary speed limiting server is connected with the dispatching center equipment and is used for sending the virtual connection command to the train equipment and reporting the execution condition of the virtual connection command to the dispatching center equipment according to 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 linking command.
Further, the temporary speed limiting server further comprises:
the receiving module is used for receiving the virtual linking command and report information fed back by each train device;
the sending module is used for sending the virtual connection command to each train device and sending report information of the execution condition of the virtual connection command of the train device to the dispatching center device;
and the judging module is used for judging the virtual connection 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 connection command.
Further, the temporary speed limiting server further comprises:
and the registration module is used for registering the train equipment information in the temporary speed limiting server.
Further, the temporary speed limiting server further comprises:
the storage module is used for storing the virtual linking 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 connection command to train equipment or reissuing the corresponding virtual connection command to train equipment which does not successfully execute the virtual connection operation.
Further, the report information fed back by the train equipment comprises: virtual connected state, and which train devices are virtually connected.
Based on the same conception, the invention also provides a train control system operation method supporting virtual connection, which comprises the following steps:
the dispatching center equipment generates a virtual connection command and forwards the virtual connection command to the corresponding train equipment through the temporary speed limiting server;
and the temporary speed limiting server reports the execution condition of the virtual linking order to the dispatching center equipment according to report information fed back by each train equipment.
Further, the virtual ligature command includes: virtual link job information or release virtual link job information; the virtual concatenation job information or the virtual concatenation job release information includes ID information of a train device performing a corresponding job.
Further, the operation method further comprises: when the temporary speed limiting server detects that train equipment which is not registered in the temporary speed limiting server exists, the temporary speed limiting server feeds back an error receipt to the dispatching center equipment and stops issuing the virtual link command.
Further, the method further comprises the following steps: and the dispatching center equipment re-issues the virtual connection command to the temporary speed limiting server at a certain time interval, and the temporary speed limiting server registers train equipment in the time interval.
Further, the temporary speed limiting server stores the received virtual linking command into a local disk, and automatically supplements the corresponding virtual linking command to the train equipment losing the virtual linking command or the train equipment which does not successfully execute the virtual linking command.
Further, the temporary speed limiting server can also receive a vehicle-mounted report fed back by the train equipment and know whether the virtual link command is lost or not according to the vehicle-mounted report.
Further, the temporary speed limiting server reports the execution condition of the virtual linking command to the dispatching center equipment according to the report information fed back by each train equipment, and the method for carrying out corresponding processing specifically comprises the following steps:
and if the temporary speed limiting server receives report information fed back by each train device in the configuration time, sending a successful receipt of the virtual continuous hanging command execution to the dispatching center device.
Further, the temporary speed limiting server sends a successful receipt of the virtual linking command execution to the dispatching center equipment for a plurality of times at a certain time interval.
Further, the method also comprises the following steps:
if the virtual continuous-hanging command is virtual continuous-hanging operation information and the temporary speed limiting server only receives report information fed back by part of 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 continuous-hanging command execution failure receipt to the dispatching center equipment and directly clears the virtual continuous-hanging command according to the configuration, and waits for the dispatching center equipment to issue the virtual continuous-hanging command again.
Further, the method also comprises the following steps:
if the virtual link command is virtual link operation information and report information fed back by each train device is received in the configuration time, the temporary speed limiting server can be further configured not to locally clear the virtual link command so as to automatically reissue after the train device loses the virtual link command.
If the virtual continuous-hanging command is virtual continuous-hanging operation information and only report information fed back by part of train equipment is received in the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and configures the temporary speed limiting server to directly clear the virtual continuous-hanging command, and the dispatching center equipment waits for issuing the virtual continuous-hanging command again; or configuring the temporary speed limiting server to continuously issue a virtual linking command to a part of train equipment which does not feed back report information until all the train equipment feeds back report information or until receiving information of releasing virtual linking operation issued by the dispatching center equipment.
If the virtual continuous-hanging command is virtual continuous-hanging operation information and report information fed back by any train equipment is not received in the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and configures the temporary speed limiting server to continuously send the virtual continuous-hanging command to the train equipment until contact virtual continuous-hanging operation information sent by the dispatching center equipment is received.
If the virtual link command is to release the virtual link operation information, and the temporary speed limiting server only receives the report information fed back by part of the train equipment or does not receive the report information fed back by the train equipment in the configuration time, the temporary speed limiting server sends a virtual link command execution failure receipt to the dispatching center equipment and directly clears the virtual link command according to the configuration
The invention has the following advantages:
the train control system can support a virtual linking technology, effectively shortens the driving interval, considers the abnormality in the process of issuing a plan, and has higher usability. Moreover, the temporary speed limiting server is the existing equipment of the train control system, does not need to add new equipment types, greatly reduces the cost and is suitable for the existing train control system in China.
Drawings
Fig. 1 is a schematic structural diagram of a column control system supporting virtual connection according to an embodiment of the present invention.
Fig. 2 is a flow chart of an operation method of the 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 drawings and the specific examples. Advantages and features of the invention will become more apparent from the following description and from the claims. It is noted that the drawings are in a very simplified form and utilize non-precise ratios, and are intended to facilitate a convenient, clear, description of the embodiments of the invention.
In order to meet the requirement of the next development of the train control technology and simultaneously adapt to the national conditions of China, the invention provides a train control system supporting virtual connection, which can effectively shorten the interval between front and rear vehicles and achieve the aim of improving the efficiency.
As shown in fig. 1, a column control system supporting virtual connection according to the present invention includes: the system comprises dispatch center equipment which are in communication connection with each other and a temporary speed limiting server which supports virtual connection. The dispatching center equipment is used for generating a virtual link command and receiving the execution condition of the virtual link command fed back by the temporary speed limiting server. The temporary speed limiting server is used for sending the virtual continuous-hanging command to each train device, reporting the execution condition of the virtual continuous-hanging command to the dispatching center device according to report information fed back by each train device, and carrying out corresponding processing according to the execution condition of the virtual continuous-hanging command.
Wherein the virtual ligature command comprises: virtual link job information or release virtual link job information; the virtual concatenation job information or the virtual concatenation job release information includes ID information of a train device performing a corresponding job. The report information fed back by the train equipment comprises the following information: the virtual connection state of the train equipment and which train equipment is virtually connected.
Specifically, the temporary speed limit server includes:
the receiving module is used for receiving the virtual linking command and report information fed back by each train device;
the sending module is used for sending the virtual connection command to each train device and sending report information of the execution condition of the virtual connection command of the train device to the dispatching center device;
the judging module is used for judging the virtual connection 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 connection command;
the configuration module is connected with the judging module and is used for carrying out corresponding processing according to the execution condition of the virtual connection command;
the storage module is used for storing the virtual linking command in a local disk;
the reissue module is connected with the storage module and is used for reissuing the lost virtual connection command to train equipment or reissuing the corresponding virtual connection command to train equipment which does not successfully execute the virtual connection command;
and the registration module is used for registering the train equipment information in the temporary speed limiting server.
In addition, the temporary speed limiting server also comprises an existing functional module so as to realize the execution of the existing functions of the temporary speed limiting server.
The temporary speed limiting server is existing equipment of a train control system, and has good interconnection interoperability. The embodiment adds the function module in the temporary speed limiting server, can support the virtual connection function of the train control system on the basis of realizing the existing function, does not need to add new equipment types, and reduces the cost.
Based on the same conception, the invention also provides a train control system operation method supporting virtual connection, as shown in fig. 2, comprising the following steps:
s1, the dispatching center equipment generates a virtual linking order and sends the virtual linking order to the temporary speed limiting server.
S2, the temporary speed limiting server stores and forwards the virtual connection command to the corresponding train equipment.
Specifically, the virtual linking command includes ID information of the train device executing the corresponding operation, and in step S2, if the temporary speed limiting server detects that there is a train device that is not registered in the temporary speed limiting server, the temporary speed limiting server feeds back an error receipt to the dispatch center device, and stops issuing the virtual linking command. And the dispatching center equipment re-issues the virtual connection command to the temporary speed limiting server at a certain time interval, and the temporary speed limiting server registers 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 linking command, the train equipment executes corresponding operation, namely virtual linking operation or virtual linking connection releasing operation, and feeds back report information to the temporary speed limiting server after the execution is completed. Meanwhile, the train device also transmits a vehicle-mounted report to the temporary speed limit server for a certain period of time, which in this embodiment is configured to be 6 seconds. When the train equipment fails, the temporary speed limiting server can know whether the train equipment loses the corresponding virtual connection command according to the vehicle-mounted report.
The temporary speed limiting server stores the received virtual linking command into a local disk, and when the virtual linking command is lost by the train equipment, the temporary speed limiting server can automatically supplement the corresponding virtual linking command. Or after the temporary limit server is powered off and restarted, the temporary limit server can automatically reissue a virtual connection command to train equipment which does not feed back report information so as to prevent manual omission.
And S3, reporting the execution condition of the virtual connection command to the dispatching center equipment by the temporary speed limiting server according to report information fed back by each train equipment.
Specifically, in step S3, the temporary speed limiting server is configured with a sending wait for the longest allowed time, and if the report information fed back by each train device is received in the configured time, a successful receipt of the virtual linking command execution is sent to the dispatching center device, that is, a successful receipt of the virtual linking operation execution of the train device or a successful receipt of the virtual linking operation release of the train device. Further, the temporary speed limiting server sends a successful receipt of the virtual linking command execution to the dispatching center equipment for a plurality of times at a certain time interval.
If only the report information fed back by part of the train equipment is received or the report information fed back by any train equipment is not received in the configuration time, sending a virtual link command execution failure receipt to the dispatching center equipment, namely, a train equipment virtual link job execution failure receipt or a train equipment release virtual link job execution success receipt.
And S4, the temporary speed limiting server carries out corresponding processing according to the execution condition of the virtual linking command.
Specifically, the types of virtual ligature commands can be broadly classified into the following types:
when the virtual linking command is virtual linking job information, and after the temporary speed limiting server sends a successful receipt of the virtual linking command to the dispatching center, the temporary speed limiting server can be configured to clear the virtual linking command from the local disk; the temporary speed limiting server can automatically supplement corresponding virtual continuous hanging commands to train equipment losing the virtual continuous hanging commands when certain train equipment fails.
When the virtual continuous-hanging command is virtual continuous-hanging operation information and the temporary speed limiting server only receives report information fed back by part of train equipment in the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and then is configured to directly clear the virtual continuous-hanging command, and waits for the dispatching center equipment to issue the virtual continuous-hanging command again. Or the virtual connection command is continuously issued to the part of train equipment which does not feed back the report information until all the train equipment feeds back the report information or until the information of releasing the virtual connection operation issued by the dispatching center equipment is received.
When the virtual continuous-hanging command is virtual continuous-hanging operation information and the temporary speed limiting server does not receive report information fed back by any train equipment within the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and is configured to continuously send the virtual continuous-hanging command to the train equipment until receiving contact virtual continuous-hanging operation information sent by the dispatching center equipment.
When the virtual linking command is the information of releasing the virtual linking operation, and after the temporary speed limiting server sends a response piece of successful execution of the virtual linking command to the dispatching center, the temporary speed limiting server is configured to directly clear the virtual linking command in the local disk.
When the virtual continuous-hanging command is to release the virtual continuous-hanging operation information, the temporary speed limiting server only receives the report information fed back by part of train equipment or the report information fed back by the train equipment in the configuration time, and sends a successful receipt of the virtual continuous-hanging command to the dispatching center, and the temporary speed limiting server is configured to clear the virtual continuous-hanging command.
Examples
In this embodiment, the train devices to be virtually connected are a train device a, a train device B, and a train device C, respectively.
And step 1, after the dispatching center equipment is designed to formulate new virtual link job information, issuing the new virtual link job information to the temporary speed limiting server.
And step 2, the temporary speed limiting server directly returns an error receipt to the dispatching center equipment according to the virtual link operation information, and the fact that the train equipment C does not finish registration is found.
And 3, finishing registration of the train equipment C, and transmitting the virtual link operation information to the train equipment A, the train equipment B and the train equipment C by the dispatching center equipment again through the temporary speed limiting server.
And 4, configuring the maximum allowable time for issuing to be 27 seconds, receiving the virtual link job information by the train equipment A and the train equipment B in 6 seconds and 8 seconds before and after the train equipment A and the train equipment B, feeding back report information to the temporary speed limiting server, feeding back no report information by the train equipment C for more than 27 seconds, and sending a response piece of failure execution of the virtual link job information to the dispatching center equipment by the temporary speed limiting server.
And 5, configuring the temporary speed limiting server to continuously send the virtual continuous 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 a successful execution receipt of the virtual link job information to the dispatching center equipment, and is configured not to clear the virtual link job information from the local disk.
And 7, restarting the train equipment B after downtime, obtaining the lost virtual link operation information by the temporary speed limiting server according to the vehicle-mounted report of the train equipment B, automatically supplementing the virtual link operation information to the train equipment B, and receiving the report information fed back by the train equipment A, B, C again by the temporary speed limiting server.
And 8, the virtual link train equipment arrives at the end point, the dispatching center equipment formulates information of releasing the virtual link operation, and forwards the 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 information of releasing the virtual link operation and feeds back report information to the temporary speed limiting server.
And 9, the temporary speed limiting server sends a successful receipt of the virtual link release job information to the dispatching center equipment and is configured to locally clear the virtual link release job information.
The train control system provided by the invention supports a virtual linking technology, can effectively shorten the interval between the front and rear vehicles, and achieves the aim of improving the efficiency. In addition, the temporary speed limiting server is the existing equipment of the train control system, and the newly added equipment type is not needed, so that the cost is greatly reduced.
While the present invention has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the invention. Many modifications and substitutions of the present invention will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (15)
1. A column control system supporting virtual concatenation, comprising:
a dispatch center device for generating a virtual join command;
the temporary speed limiting server is connected with the dispatching center equipment and is used for sending the virtual connection command to the train equipment and reporting the execution condition of the virtual connection command to the dispatching center equipment according to report information fed back by each train equipment;
the temporary speed limit server includes: the configuration module is used for carrying out corresponding processing according to the execution condition of the virtual linking command;
the temporary speed limit server further comprises:
the receiving module is used for receiving the virtual linking command and report information fed back by each train device;
the sending module is used for sending the virtual connection command to each train device and sending the execution condition of the virtual connection command of the train device to the dispatching center device;
and the judging module is used for judging the virtual connection 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 connection command.
2. 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.
3. The train control system of claim 1, wherein the temporary speed limit server further comprises:
the storage module is used for storing the virtual linking 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 connection command to train equipment or reissuing the corresponding virtual connection command to train equipment which does not successfully execute the virtual connection operation.
4. The column control system of claim 1, wherein the virtual join command comprises: virtual link job information or release virtual link job information; the virtual concatenation job information or the virtual concatenation job release information includes ID information of a train device performing a corresponding job.
5. The train control system of claim 1, wherein the report information fed back by the train equipment comprises: virtual connected state, and which train devices are virtually connected.
6. A method of operation for a train control system according to any one of claims 1 to 5, comprising the steps of:
the dispatching center equipment generates a virtual connection command and forwards the virtual connection command to the corresponding train equipment through the temporary speed limiting server;
and the temporary speed limiting server reports the execution condition of the virtual connection command to the dispatching center equipment according to the report information fed back by each train equipment and carries out corresponding processing.
7. The method of operating a train control system of claim 6 further comprising the steps of: when the temporary speed limiting server detects that train equipment which is not registered in the temporary speed limiting server exists, the temporary speed limiting server feeds back an error receipt to the dispatching center equipment and stops issuing the virtual link command.
8. The method of operating a train control system of claim 7 further comprising the steps of: and the dispatching center equipment re-issues the virtual connection command to the temporary speed limiting server at a certain time interval, and the temporary speed limiting server registers train equipment in the time interval.
9. The method of operating a train control system of claim 6 further comprising the steps of: and the temporary speed limiting server stores the received virtual linking command into a local disk, and automatically supplements the corresponding virtual linking command to the train equipment losing the virtual linking command or the train equipment which does not successfully execute the virtual linking command.
10. The method of operation of a train control system of claim 9 wherein the temporary speed limit server knows whether it has lost a virtual hitch command based on an on-board report from the train equipment.
11. The method for operating the train control system according to claim 6, wherein the temporary speed limiting server reports the execution condition of the virtual linking command to the dispatch center device according to the report information fed back by each train device, and the method for performing corresponding processing comprises the following steps:
and configuring the issuing wait for the longest allowable time, if the temporary speed limiting server receives report information fed back by each train device in the configuration time, sending a successful receipt of the virtual continuous hanging command execution to the dispatching center device, and configuring the temporary speed limiting server to locally clear the virtual continuous hanging command.
12. The method of operating a train control system of claim 11 further comprising the steps of:
if the virtual link command is virtual link operation information and report information fed back by each train device is received in the configuration time, the temporary speed limiting server can be further configured not to locally clear the virtual link command so as to automatically reissue after the train device loses the virtual link command.
13. The method of operating a train control system of claim 11 further comprising the steps of:
if the virtual continuous-hanging command is virtual continuous-hanging operation information and only report information fed back by part of train equipment is received in the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and configures the temporary speed limiting server to directly clear the virtual continuous-hanging command, and the dispatching center equipment waits for issuing the virtual continuous-hanging command again; or configuring the temporary speed limiting server to continuously issue a virtual linking command to a part of train equipment which does not feed back report information until all the train equipment feeds back report information or until receiving information of releasing virtual linking operation issued by the dispatching center equipment.
14. The method of operating a train control system of claim 11 further comprising the steps of:
if the virtual continuous-hanging command is virtual continuous-hanging operation information and report information fed back by any train equipment is not received in the configuration time, the temporary speed limiting server sends a virtual continuous-hanging command execution failure receipt to the dispatching center equipment and configures the temporary speed limiting server to continuously send the virtual continuous-hanging command to the train equipment until contact virtual continuous-hanging operation information sent by the dispatching center equipment is received.
15. The method according to claim 11, wherein if the virtual connection command is to release the virtual connection operation information, and the temporary speed limit server receives only a part of report information fed back by 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 connection command execution failure receipt to the dispatch center equipment, and directly clears the virtual connection command according to the configuration.
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