CN108928352B - Method, system and device for reconnection of train - Google Patents

Method, system and device for reconnection of train Download PDF

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Publication number
CN108928352B
CN108928352B CN201710380481.7A CN201710380481A CN108928352B CN 108928352 B CN108928352 B CN 108928352B CN 201710380481 A CN201710380481 A CN 201710380481A CN 108928352 B CN108928352 B CN 108928352B
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train
service end
directory
generated
server
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CN108928352A (en
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黄盛立
曾文晓
赵龙
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BYD Co Ltd
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BYD Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B61B1/005—Rail vehicle marshalling systems; Rail freight terminals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or vehicle train for signalling purposes ; On-board control or communication systems
    • B61L15/0018—Communication with or on the vehicle or vehicle train
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways

Abstract

The invention provides a method, a system and a device for reconnection of a train, wherein the method comprises the following steps: the train comprises at least two service ends, and when the train is reconnected, a first service end of the at least two service ends generates a train catalog; a first server initiates a negotiation process to a second server of at least two servers; through the negotiation process, the first service end confirms whether the train directory generated by the first service end is consistent with the train directory generated by the second service end or not, and when the generated train directories are inconsistent, the train directory is corrected. By the method, the accuracy of the generated train catalog is guaranteed when the train is reconnected.

Description

Method, system and device for reconnection of train
Technical Field
The invention relates to the technical field of vehicle control, in particular to a method, a system and a device for reconnection of a train.
Background
With the rapid development of vehicle control technology and the rail industry, the demand for trains is getting larger and larger, and the marshalling of the trains is getting richer. At present, a single train set, two train sets, four train sets, eight train sets and even sixteen train sets exist, and the number of carriages of each train set is various, so that the requirement on the accuracy of the automatic train grouping function is higher and higher, and the requirement on the train reconnection technology is also improved. In the related art, two or more independent trains are coupled to form a new train.
In this way, when it is found that some nodes cannot participate in reconnection due to uncontrollable factors, for example, when some cars in a certain train group are reconnected, a power failure occurs, and some cars in the train group cannot be counted in a whole train directory when the cars in the train group are reconnected, the accuracy of train information is low.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first object of the present invention is to provide a method for reconnection of a train, which ensures the accuracy of a generated train directory when the train is reconnected, and solves the technical problems that in the prior art, when a corresponding error handling mechanism is not available during reconnection of the train, and when a part of nodes cannot participate in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the information of the reconnected train cannot be ensured, thereby avoiding the occurrence of uncontrollable results due to accidents.
The second purpose of the invention is to provide a train reconnection device.
The third purpose of the invention is to provide a train reconnection system.
A fourth object of the invention is to propose a computer device.
A fifth object of the invention is to propose a non-transitory computer-readable storage medium.
A sixth object of the invention is to propose a computer program product.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a train reconnection method, including: the train comprises at least two service ends, and when the train is reconnected, a first service end of the at least two service ends generates a train catalog; the first server initiates a negotiation confirmation process to a second server of the at least two servers; through the negotiation process, the first service end confirms whether the train directory generated by the first service end is consistent with the train directory generated by the second service end or not, and the train directory is corrected when the generated train directories are inconsistent.
The train reconnection method of the embodiment of the invention generates the train catalog by the first server side of at least two server sides when the train reconnection happens, the first server side initiates the negotiation confirmation process to the second server side of at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
In order to achieve the above object, a second aspect of the present invention provides a train reconnection device, where the device is disposed at a first service end of at least two service ends included in a train, and the device includes: the generating module is used for generating a train directory when the train reconnection happens; a negotiation module, configured to initiate a negotiation process to a second server of the at least two servers; and through the negotiation process, determining whether the train directory generated by the first service end is consistent with the train directory generated by the second service end, so as to modify the train directory when the generated train directories are inconsistent. .
The train reconnection device of the embodiment of the invention generates the train catalog by the first server side of the at least two server sides when the train reconnection happens, the first server side initiates the negotiation confirmation process to the second server side of the at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
In order to achieve the above object, a third embodiment of the present invention provides a train reconnection system, including: the system comprises a plurality of service ends of a train, wherein the plurality of service ends comprise a first service end and a second service end, and train groups arranged on the first service end and the second service end are different; when train reconnection occurs, a plurality of service terminals of the train generate a train directory; the first service end in the plurality of service ends and other service ends in the plurality of service ends negotiate to determine whether the generated train directories are consistent or not, so that when the generated train directories are inconsistent, the second service end which does not negotiate is used for informing other service ends in the plurality of service ends to correct the train directories; and the first service end corrects the train catalog generated by the first service end according to the notification of the second service end.
In the train reconnection system of the embodiment of the invention, when the train reconnection occurs, the first server side of the at least two server sides generates the train catalog, the first server side initiates a negotiation confirmation process to the second server side of the at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
To achieve the above object, a fourth aspect of the present invention provides a computer device, including: the system comprises a shell, and a processor, a memory and a display interface which are positioned in the shell, wherein the processor runs a program corresponding to an executable program code by reading the executable program code stored in the memory so as to execute the train reconnection method.
The computer device of the embodiment of the invention generates the train catalog by the first server side of the at least two server sides when the train reconnection happens, the first server side initiates the negotiation confirmation process to the second server side of the at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
To achieve the above object, a fifth embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for train reconnection as described in the first embodiment is implemented.
The non-transitory computer readable storage medium of an embodiment of the present invention provides a method for controlling a train reconnection, by when a train reconnection occurs, a first server side of the at least two server sides generates a train directory, the first server side initiates a negotiation confirmation process to a second server side of the at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
To achieve the above object, a sixth aspect of the present invention provides a computer program product, wherein when the instructions of the computer program product are executed by a processor, the method for train reconnection is performed as described in the first aspect.
The computer program product of the embodiment of the invention generates the train catalog by a first server side of at least two server sides when the train reconnection occurs, the first server side initiates the negotiation confirmation process to a second server side of at least two server sides, through the negotiation process, the first service end confirms whether the train catalog generated by the first service end is consistent with the train catalog generated by the second service end or not, so that when the generated train catalogs are inconsistent, the train catalogue is corrected, the accuracy of the generated train catalogue is ensured when the train is reconnected, the problem that no corresponding error processing mechanism exists when the train is reconnected in the prior art is solved, when some nodes are found to be incapable of participating in reconnection due to uncontrollable factors, train information is notched, and the accuracy of the reconnected train information cannot be guaranteed, so that uncontrollable results caused by accidents are avoided.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a train reconnection method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a four-train set in an embodiment of the present invention;
fig. 3 is a schematic flow chart of another method for reconnection of a train according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of another method for reconnection of a train according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of another method for reconnection of a train according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of another method for reconnection of a train according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a train reconnection device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another train reconnection device provided in the embodiment of the present invention;
fig. 9 is a schematic structural diagram of a train reconnection system according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The method comprises the steps of establishing a confirmation and correction mechanism when finding that part of nodes cannot participate in reconnection due to uncontrollable factors so as to cause train information to be gapped, and ensuring the accuracy and safety of the train information after reconnection.
A train reconnection method, system and apparatus according to an embodiment of the present invention will be described below with reference to the drawings. Before describing embodiments of the present invention in detail, for ease of understanding, common terminology will be introduced first:
train reconnection, i.e., the entire process of configuring a train network, generally occurs when a train is powered on or when the length of the train (e.g., adding or subtracting nodes) changes.
Fig. 1 is a schematic flow chart of a train reconnection method according to an embodiment of the present invention.
As shown in fig. 1, the train reconnection method includes the following steps:
s101, the train comprises at least two service ends, and when the train is reconnected, a first service end of the at least two service ends generates a train catalog.
The train includes at least two service terminals, which at least includes a first service terminal and a second service terminal in this embodiment. Generally, a train includes at least two train groups, and there is no limitation on the number of car nodes of each train group, for example, the train may be a two-train group, a four-train group, an eight-train group, a sixteen-train group, or the like. The service end refers to a backbone node of each train set, which is connected into a train-level network, each train set can have a plurality of service ends, but each train set can only have one service end in an activated state during each work.
As an example, referring to fig. 2, fig. 2 is a schematic diagram of a train with four train sets in the embodiment of the present invention, wherein each of the train sets a and D is 4 cars, and each of the train sets B and C is 3 cars.
It should be noted that the train reconnection method according to the embodiment of the present invention has a confirmation and correction function when a train is reconnected, and the confirmation and correction method of the train is executed by a server. In the embodiment of the present invention, the server may be, for example, a gateway, or the server may be, for example, a signal system, which is not limited to this.
Alternatively, the function of the service end can be turned on by default for the head car of each train set, and the other cars are in a closed state, that is, the service end is arranged on the head car of each train set.
It should be noted that, when a train is reconnected, the backbone nodes in all train groups on the train participate in the confirmation and correction process, including the backbone nodes on the redundant lines, and the gateway of each car of each train group participates in the train reconnection process, including the gateway of the redundant equipment.
In an embodiment of the present invention, the first server may be a server of a train consist where the client currently sending the confirmation status request message is located. For example, referring to fig. 2, if the train group in which the customer service end currently sending the confirmation status request information is located is the train group C, the head car of the train group C starts the function of the service end, and the configured service end is the gateway, the first service end is the gateway of the head car of the train group C.
In an embodiment of the invention, the train directory provides an ordered list of all discovered train groups on a train, which is generated after a train reconnection, and the train directory is recalculated when the topology count of the train backbone network changes.
When a train is reconnected, if a certain train group or one or more car nodes on the certain train group cannot work normally and cannot be counted into a train directory, the train directory at this time is incomplete, and the train may not work normally, for example, the reason why the train cannot work is a car outage, or the reason why the train cannot work is other, which is not limited in the embodiment of the present invention.
Optionally, when the train is reconnected, the first server of the train generates a train directory to trigger a subsequent determination process.
S102, the first server initiates a negotiation confirmation process to a second server of the at least two servers.
In the embodiment of the invention, the train groups arranged on the first service end and the second service end are different.
Optionally, at least two service terminals included in the train are respectively gateways corresponding to head cars of the train set.
The initiator of the method for confirming the reconnection of the train according to the embodiment of the present invention may be a client device on the train, or the initiator may be an external device, or the initiator may be a remote server, which is not limited to this. The present embodiment takes the initiator as an example of a client device on a train.
Optionally, the client may send train configuration request information to the first service end, the first service end sends a train configuration information confirmation message to the train backbone network according to the generated train directory after receiving the train configuration request information sent by the client, and the second service end may receive the train configuration information confirmation message from the train backbone network to determine whether the train directory generated by the second service end and the first service end agree with each other to confirm whether the generated train directory is consistent.
The train configuration information confirmation message is used for indicating the compartment node information of the train set.
S103, through the negotiation process, the first service side confirms whether the train directory generated by the first service side is consistent with the train directory generated by the second service side or not, and when the generated train directories are inconsistent, the train directory is corrected.
Optionally, the first server may compare the generated train directory with a train directory locally stored by a second server of the at least two servers to determine whether a loss or an error exists, and if the two are the same, a consistent response is given, and at this time, the train directory does not need to be corrected; if the two are different, an inconsistent response is given, and the train catalog needs to be corrected at the moment.
Further, the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not according to the notification of the second server side; and if the first service side confirms that the train directory generated by the first service side is inconsistent with the train directory generated by the second service side according to the notification of the second service side, the first service side corrects the train directory generated by the first service side.
Specifically, when the first service end negotiates with a second service end of the at least two service ends to confirm that the generated train directories are inconsistent, the train directory generated by the first service end needs to be modified. In order to inform the first service end of the condition that the train directories are inconsistent, optionally, the second service end sends a correction request message, so that the first service end receives the correction request message sent by the second service end, wherein the correction request message is used for indicating the train node correction information of the train set; the first server corrects the carriage node information of the corresponding train set in the generated train directory according to the carriage node correction information; and the first server side informs the second server side of the modified train directory so that the second server side can confirm whether the modification is successful according to the notification of the first server side.
The embodiment of the invention optimizes the train reconnection, increases a mistake-proof error-correcting mechanism, and can effectively ensure the accuracy and the safety of train information.
According to the train reconnection method, when train reconnection occurs, a first server side of at least two server sides generates a train directory, the first server side initiates a negotiation confirmation process to a second server side of the at least two server sides, and through the negotiation process, the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is guaranteed when the train is reconnected.
In order to further improve the accuracy and safety of the train information, referring to fig. 3, on the basis of the embodiment shown in fig. 1, before step S102, the method further includes:
s301, the first service end receives the confirmation state request information sent by the client.
In the embodiment of the present invention, the initiator of the confirmation status request message may be a client device on the train, or the initiator of the confirmation status request message may be an external device, or the initiator of the confirmation status request message may be a remote server, which is not limited to this.
Optionally, the client may send the confirmation status request information to a service end of the train set according to an actual requirement of the client, which is denoted as a first service end in this embodiment.
And S302, the first server sends a confirmation state response message to the client, wherein the confirmation state response message comprises a train directory used for indicating whether the first server has negotiated and confirmed the generated train directory, the effective state of the train directory of the first server and/or the effective state of the train topology counter.
Alternatively, the confirmation status response information mainly contains information as shown in table 1.
TABLE 1
Figure BDA0001305062510000071
And when the first service terminal receives the confirmation state request information sent by the client terminal, the first service terminal gives out confirmation state response information and sends the confirmation state response information to the client terminal.
According to the train reconnection method, the first server receives the confirmation state request information sent by the client, and the first server sends the confirmation state response information to the client, so that the accuracy and the safety of train information can be effectively improved.
For clarity of explanation of the previous embodiment, this embodiment provides another train reconnection method, and fig. 4 is a schematic flow chart of another train reconnection method provided in the embodiment of the present invention.
Referring to fig. 4, based on the embodiment shown in fig. 1, step S102 specifically includes the following sub-steps:
s401, the first service end receives train composition request information sent by the client.
Optionally, the client sends the train configuration request information to a service end of the train group where the client is located, that is, a first service end, and the first service end receives the train configuration request information sent by the client to trigger a subsequent step.
S402, the first server side sends a train configuration information confirmation message to the second server side according to the generated train catalog, wherein the train configuration information confirmation message is used for indicating the compartment node information of the train group.
In an embodiment of the present invention, the train configuration information confirmation message includes: train configuration information confirms message function identification, train group identification and/or carriage node information.
The train configuration information confirmation message function identifier is used for indicating the train configuration information confirmation message to be used for negotiating and confirming a train catalogue; the train group identification of the train constitution information confirmation message is used for indicating the train group where the first service end sending the train constitution information confirmation message is located; the car node information comprises the number of the car nodes and/or a car node list; the car node list includes the node number and the node direction of each car node.
Optionally, after receiving the train configuration request information sent by the client, the first server sends a train configuration information confirmation message to the train backbone network, and then the second server may receive the train configuration information confirmation message from the train backbone network to determine whether the train directory generated by the second server and the first server negotiate to confirm is consistent.
Optionally, the train configuration information confirmation message mainly includes information shown in table 2.
TABLE 2
Figure BDA0001305062510000091
Optionally, when the first service end negotiates with a second service end of the at least two service ends to confirm that the generated train directories are consistent, no processing is performed; when the generated train directories are not consistent, the train directories are corrected.
Specifically, a second server side of the at least two server sides receives a train configuration information confirmation message sent by the first server side, can be compared with information stored in cstUUID in the message information in a locally stored train directory, judges whether a deletion or an error exists or not, gives a corresponding response message, and if the two are the same, gives a consistent response, at the moment, modifies the current confirmation state into confirmation, and responds to the client side without an error without correcting the train directory; if the two are different, an inconsistent response is given, and at the moment, the client can be responded to confirm that the correction is needed by mistake, and the correction is waited.
According to the train reconnection method, the first server receives train formation request information sent by the client, and the first server sends a train formation information confirmation message to the second server according to the generated train catalog, wherein the train formation information confirmation message is used for indicating carriage node information of a train unit, and the accuracy and the safety of train information are further improved.
For clarity of explanation of the previous embodiment, this embodiment provides another train reconnection method, and fig. 5 is a schematic flow chart of another train reconnection method provided in the embodiment of the present invention.
Referring to fig. 5, on the basis of the embodiment shown in fig. 1, step S103 includes the following sub-steps:
s501, the first service side confirms whether the train directory generated by the first service side is consistent with the train directory generated by the second service side or not according to the notification of the second service side.
Specifically, the first service end negotiates with a second service end of the at least two service ends to determine whether the generated train directories are consistent, for example, the first service end may compare the generated train directory with a train directory locally stored by the second service end of the at least two service ends to determine whether a defect or an error exists, and then the second service end may send a notification to the first service end to notify the first service end of the inconsistent train directories.
S502, if the first service terminal confirms that the train directory generated by the first service terminal is inconsistent with the train directory generated by the second service terminal according to the notification of the second service terminal, the first service terminal receives a correction request message sent by the second service terminal, wherein the correction request message is used for indicating the carriage node correction information of the train group.
In the embodiment of the present invention, the modification request message includes: correcting request message function identification, train group identification and/or carriage node correction information;
the correction request message function identifier is used for indicating that the correction request message is used for correcting the train catalogue; the train group identification of the correction request message is used for indicating the train group where the second server side sending the correction request message is located; and the compartment node correction information comprises the number of compartment nodes to be corrected, the number of adjacent nodes of the compartment nodes to be corrected, the number of the nodes to be corrected and/or the node direction of the nodes to be corrected.
Optionally, the train directory generated by the first service end is compared with a train directory locally stored by a second service end of the at least two service ends, if the train directory generated by the first service end is the same as the train directory locally stored by the second service end, a consistent response is given, and at this time, the train directory does not need to be corrected; if the two are different, an inconsistent response is given, and the train catalog needs to be corrected at the moment. Specifically, after the inconsistent response is given by the second service end, a correction request message is also sent to the first service end. And the first service end receives the correction request message sent by the second service end so as to correct the compartment node information of the corresponding train set in the generated train catalog according to the correction request message.
As an example, assuming that a certain train group Z (the backbone node of the train group Z is the second server) confirms that there is a mistake requiring correction, and the correction rule is to insert three nodes of the car node A, B and C in the car node X and the car node Y, the correction process is as follows:
a service end of the train group Z, that is, a second service end, sends a correction request message for notifying the first service end to the backbone network, wherein the correction request message mainly includes information shown in table 3.
TABLE 3
Figure BDA0001305062510000111
And each train group service end (including the first service end) receives the correction request message sent by the second service end, and corrects the carriage node information of the corresponding train group in the generated train directory according to the carriage node correction information in the correction request message.
And S503, the first server corrects the compartment node information of the corresponding train set in the generated train directory according to the compartment node correction information.
S504, the first server side informs the second server side of the modified train catalog, so that the second server side can confirm whether the modification is successful according to the notification of the first server side.
Optionally, after the first server finishes the correction, the corrected train directory may be sent to the second server, and the second server performs a judgment according to the correction result, and if the correction is finished, the correction is successful; if the correction is not completed, the correction fails.
In the train reconnection method of the embodiment, a first server receives a correction request message sent by a second server; the first server corrects the carriage node information of the corresponding train set in the generated train directory according to the carriage node correction information; the first server side informs the second server side of the modified train catalog, so that the second server side can confirm whether the modification is successful according to the notification of the first server side, and the accuracy and the safety of train information can be effectively guaranteed.
Optionally, an embodiment of the present invention further provides a method for confirming removal of train reconnection, referring to fig. 6, on the basis of the embodiment shown in fig. 1, after step S103, the method further includes the following steps:
s601, the first service end receives a state removal confirmation request sent by the client.
The initiator of the method for confirming removal of train reconnection in the embodiment of the invention is a client, specifically, the client sends a request for confirming removal state to a first service end, and the first service end receives the request information for confirming removal state.
And S602, the first service terminal restores the modified train directory to the train directory before modification.
Optionally, after receiving the confirmation state removal request sent by the client, the first server may modify the state of the train group in which the first server is currently located to an unconfirmed state.
S603, the first server sends a removal confirmation state response to the client.
The embodiment of the invention optimizes the train reconnection, increases a mistake-proof error-correcting mechanism, and can effectively ensure the accuracy and the safety of train information.
According to the train reconnection method, a removal confirmation state request sent by a client is received through a first server; the first service end restores the modified train directory to the train directory before modification; and the first server side sends a removal confirmation state response to the client side, so that the accuracy and the safety of the train information are further ensured.
In order to realize the embodiment, the invention further provides a train reconnection device.
Fig. 7 is a schematic structural diagram of a train reconnection device provided in an embodiment of the present invention. The train reconnection device 700 may be implemented by software, hardware, or a combination of both.
As shown in fig. 7, the train reconnection device 700 is disposed at a first service end of at least two service ends included in a train, and includes: a generation module 710 and a negotiation module 720. Wherein the content of the first and second substances,
the generating module 710 is configured to generate a train directory when a train reconnection occurs.
A negotiation module 720, configured to initiate a negotiation process to a second server of the at least two servers; and through a negotiation process, determining whether the train directory generated by the first service end is consistent with the train directory generated by the second service end, and correcting the train directory when the generated train directories are inconsistent.
Optionally, at least two service terminals included in the train are respectively gateways corresponding to head cars of the train set.
Optionally, the negotiation module 720 is specifically configured to determine whether the train directory generated by the first service end is consistent with the train directory generated by the second service end according to the notification of the second service end.
Further, in a possible implementation manner of the embodiment of the present invention, on the basis of fig. 7 and referring to fig. 8, the train reconnection device 700 further includes:
the correcting module 730 is configured to, if the first service end confirms that the train directory generated by the first service end is inconsistent with the train directory generated by the second service end according to the notification of the second service end, correct, by the first service end, the train directory generated by the first service end.
A removing module 740, configured to receive, by the first service end, a request for removing the acknowledgement status sent by the client; the first service end restores the modified train directory to the train directory before modification; and the first server side sends a removal confirmation state response to the client side.
The receiving module 750 is configured to receive the acknowledgement status request information sent by the client.
A sending module 760, configured to send a confirmation status response message to the client, where the confirmation status response message includes a valid status indicating whether the first server negotiates to confirm the generated train directory, the train directory, and/or the train topology counter.
Optionally, the negotiation module 720 includes:
the first receiving unit 721 is configured to receive train configuration request information sent by the client.
And a sending unit 722, configured to send a train configuration information confirmation message to the second server according to the generated train directory, where the train configuration information confirmation message is used to indicate car node information of the train group.
Optionally, the train configuration information confirmation message includes: train composition information confirms message function identification, train group identification and/or carriage node information;
the train configuration information confirmation message function identifier is used for indicating the train configuration information confirmation message to be used for negotiating and confirming a train catalogue;
the train group identification of the train constitution information confirmation message is used for indicating the train group where the first service end sending the train constitution information confirmation message is located;
the car node information comprises the number of the car nodes and/or a car node list; the car node list includes the node number and the node direction of each car node.
Optionally, the modification module 730 includes:
the second receiving unit 731 is configured to receive a correction request message sent by the second server, where the correction request message is used to indicate car node correction information of the train set.
Optionally, the modification request message includes: correcting request message function identification, train group identification and/or carriage node correction information;
the correction request message function identifier is used for indicating that the correction request message is used for correcting the train catalogue;
the train group identification of the correction request message is used for indicating the train group where the second server side sending the correction request message is located;
and the compartment node correction information comprises the number of compartment nodes to be corrected, the number of adjacent nodes of the compartment nodes to be corrected, the number of the nodes to be corrected and/or the node direction of the nodes to be corrected.
A correcting unit 732 for correcting the car node information of the corresponding train group in the generated train directory, based on the car node correction information.
The notification unit 733 is configured to notify the modified train directory of the second server so that the second server confirms whether the modification is successful according to the notification of the first server.
It should be noted that the explanation of the embodiment of the train reconnection method in the foregoing fig. 1 to fig. 6 is also applicable to the train reconnection device 700 in this embodiment, and is not repeated here.
According to the train reconnection device, when train reconnection occurs, the first server side of the at least two server sides generates the train directory, the first server side initiates a negotiation confirmation process to the second server side of the at least two server sides, and through the negotiation process, the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is guaranteed when the train is reconnected.
In order to realize the embodiment, the invention further provides a train reconnection system.
Fig. 9 is a schematic structural diagram of a train reconnection system according to an embodiment of the present invention.
As shown in fig. 9, the train reconnection system 900 includes: the system comprises a plurality of service terminals 910 of the train, wherein the plurality of service terminals 910 comprise a first service terminal 911 and a second service terminal 912, and train groups arranged on the first service terminal 911 and the second service terminal 912 are different; when a train reconnection occurs, a plurality of service terminals 910 of the train generate a train directory; a first service terminal 911 in the multiple service terminals 910 negotiates with other service terminals 910 in the multiple service terminals to determine whether the generated train directories are consistent, so that when the generated train directories are inconsistent, a second service terminal 912 negotiating inconsistency notifies other service terminals in the multiple service terminals 910 to modify the train directories; the first service terminal 911 corrects the train directory generated by the first service terminal 911 according to the notification of the second service terminal 912.
It should be noted that the explanation of the embodiment of the train reconnection method in the foregoing fig. 1 to fig. 6 is also applicable to the train reconnection system 900 in this embodiment, and is not repeated here.
According to the train reconnection system, when train reconnection occurs, the first server side of the at least two server sides generates the train directory, the first server side initiates a negotiation confirmation process to the second server side of the at least two server sides, and through the negotiation process, the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is guaranteed when the train is reconnected.
In order to implement the foregoing embodiment, the present invention further provides a computer device, including: the household appliance control system comprises a shell, and a processor, a memory and a display interface which are positioned in the shell, wherein the processor runs a program corresponding to an executable program code by reading the executable program code stored in the memory so as to execute the household appliance control method according to the embodiment.
According to the computer device, when the train reconnection occurs, the first server side of the at least two server sides generates the train directory, the first server side initiates a negotiation confirmation process to the second server side of the at least two server sides, and through the negotiation process, the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is guaranteed when the train reconnection occurs.
In order to implement the above embodiments, the present invention also proposes a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, is capable of implementing the train reconnection method as described in the foregoing embodiments.
According to the non-transitory computer-readable storage medium of the embodiment, when train reconnection occurs, a first server in at least two servers generates a train directory, the first server initiates a negotiation confirmation process to a second server in the at least two servers, and through the negotiation process, the first server confirms whether the train directory generated by the first server is consistent with the train directory generated by the second server or not, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is ensured when the train reconnection occurs.
In order to implement the foregoing embodiments, the present invention further provides a computer program product, wherein when the instructions in the computer program product are executed by a processor, the method for train reconnection as described in the foregoing embodiments is performed.
In the computer program product of this embodiment, when a train reconnection occurs, a first server of at least two servers generates a train directory, the first server initiates a negotiation validation process to a second server of the at least two servers, and through the negotiation process, the first server validates whether the train directory generated by the first server is consistent with the train directory generated by the second server, so that when the generated train directories are inconsistent, the train directory is corrected, and the accuracy of the generated train directory is ensured when the train reconnection occurs.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (21)

1. A method for reconnection of a train is characterized by comprising the following steps:
the train comprises at least two service ends, and when the train is reconnected, a first service end of the at least two service ends generates a train catalog;
the first server initiates a negotiation process to a second server of the at least two servers; the train groups arranged on the first service end and the second service end are different; the first service end receives train composition request information sent by a client; the first server side sends a train configuration information confirmation message to the second server side according to the generated train catalog, wherein the train configuration information confirmation message is used for indicating carriage node information of a train set;
through the negotiation process, the first service end confirms whether the train directory generated by the first service end is consistent with the train directory generated by the second service end or not, and the train directory is corrected when the generated train directories are inconsistent.
2. The train reconnection method according to claim 1, wherein the confirming, by the negotiation process, whether the train directory generated by the first service end is consistent with the train directory generated by the second service end comprises:
the first server side confirms whether the train directory generated by the first server side is consistent with the train directory generated by the second server side or not according to the notification of the second server side;
after the first server confirms whether the train directory generated by the first server is consistent with the train directory generated by the second server, the method further includes:
and if the first service side confirms that the train directory generated by the first service side is inconsistent with the train directory generated by the second service side according to the notification of the second service side, the first service side corrects the train directory generated by the first service side.
3. The train reconnection method according to claim 1, wherein the train configuration information confirmation message comprises: the train constitution information confirms a message function identification, a train group identification and/or carriage node information;
the train configuration information confirmation message function identifier is used for indicating the train configuration information confirmation message to be used for negotiating and confirming a train catalogue;
the train group identification of the train configuration information confirmation message is used for indicating the train group where the first service end sending the train configuration information confirmation message is located;
the compartment node information comprises the number of compartment nodes and/or a compartment node list; the carriage node list includes the node number and the node direction of each carriage node.
4. The train reconnection method according to claim 2, wherein the modifying, by the first service end, the train directory generated by the first service end comprises:
the first service end receives a correction request message sent by the second service end, wherein the correction request message is used for indicating compartment node correction information of the train set;
and the first server corrects the compartment node information of the corresponding train set in the generated train directory according to the compartment node correction information.
5. The train reconnection method according to claim 4, wherein the modification request message comprises: the correction request message function identification, the train group identification and/or the carriage node correction information;
the correction request message function identifier is used for indicating that the correction request message is used for correcting a train catalogue;
the train group identifier of the correction request message is used for indicating the train group where the second server side sending the correction request message is located;
the car node correction information comprises the number of the car nodes to be corrected, the number of the adjacent nodes of the car nodes to be corrected, the number of the nodes to be corrected and/or the node direction of the nodes to be corrected.
6. The train reconnection method according to claim 4, wherein after the first server corrects the car node information of the corresponding train group in the generated train directory according to the car node correction information, the method further comprises:
and the first server side informs the second server side of the modified train directory so that the second server side can confirm whether the modification is successful according to the notification of the first server side.
7. The train reconnection method according to claim 2, wherein after the first server modifies the train directory generated by the first server according to the notification of the second server, the method further comprises:
the first service end receives a state removal confirmation request sent by a client;
the first service end restores the modified train directory to the train directory before modification;
and the first server side sends a removal confirmation state response to the client side.
8. The train reconnection method according to any one of claims 1 to 7, wherein before the first service end and the second service end of the at least two service ends negotiate to confirm whether the generated train directories are consistent, the method further comprises:
the first service end receives confirmation state request information sent by a client;
the first server side sends a confirmation state response message to the client side, wherein the confirmation state response message comprises a train directory used for indicating whether the first server side has negotiated and confirmed the generated train directory, the effective state of the train directory of the first server side and/or the effective state of a train topology counter.
9. The train reconnection method according to any one of claims 1-7, wherein said train comprises at least two service terminals which are respectively gateways of head cars of corresponding train groups.
10. A train reconnection device, characterized in that the device is arranged at a first service end of at least two service ends included in a train, the device comprises:
the generating module is used for generating a train directory when the train reconnection happens;
a negotiation module, configured to initiate a negotiation process to a second server of the at least two servers; through the negotiation process, whether the train directory generated by the first service end is consistent with the train directory generated by the second service end is confirmed, and when the generated train directories are inconsistent, the train directory is corrected; the train groups arranged on the first service end and the second service end are different;
wherein the negotiation module includes:
the first receiving unit is used for receiving train composition request information sent by a client;
and the sending unit is used for sending a train configuration information confirmation message to the second server according to the generated train catalog, wherein the train configuration information confirmation message is used for indicating the compartment node information of the train group.
11. The train reconnection device according to claim 10,
the negotiation module is specifically configured to determine whether the train directory generated by the first service end is consistent with the train directory generated by the second service end according to the notification of the second service end;
the device, still include:
and the correction module is used for correcting the train directory generated by the first service end if the first service end confirms that the train directory generated by the first service end is inconsistent with the train directory generated by the second service end according to the notification of the second service end.
12. The train reconnection device according to claim 10, wherein the train configuration information confirmation message comprises: the train constitution information confirms a message function identification, a train group identification and/or carriage node information;
the train configuration information confirmation message function identifier is used for indicating the train configuration information confirmation message to be used for negotiating and confirming a train catalogue;
the train group identification of the train configuration information confirmation message is used for indicating the train group where the first service end sending the train configuration information confirmation message is located;
the compartment node information comprises the number of compartment nodes and/or a compartment node list; the carriage node list includes the node number and the node direction of each carriage node.
13. The train reconnection device according to claim 11, wherein the revision module comprises:
the second receiving unit is used for receiving a correction request message sent by the second server, wherein the correction request message is used for indicating the compartment node correction information of the train set;
and the correction unit is used for correcting the compartment node information of the corresponding train set in the generated train directory according to the compartment node correction information.
14. The train reconnection device according to claim 13, wherein the modification request message comprises: the correction request message function identification, the train group identification and/or the carriage node correction information;
the correction request message function identifier is used for indicating that the correction request message is used for correcting a train catalogue;
the train group identifier of the correction request message is used for indicating the train group where the second server side sending the correction request message is located;
the car node correction information comprises the number of the car nodes to be corrected, the number of the adjacent nodes of the car nodes to be corrected, the number of the nodes to be corrected and/or the node direction of the nodes to be corrected.
15. The train reconnection device according to claim 13, wherein the correction module further comprises:
and the notification unit is used for notifying the modified train directory of the second server so that the second server confirms whether the modification is successful according to the notification of the first server.
16. The train reconnection device according to claim 11, wherein said device further comprises:
a removing module, configured to receive, by the first service end, a request for removing a confirmation status sent by a client; the first service end restores the modified train directory to the train directory before modification; and the first server side sends a removal confirmation state response to the client side.
17. The train reconnection device according to any one of claims 10 to 16, wherein the train reconnection device further comprises:
the receiving module is used for receiving the confirmation state request information sent by the client;
a sending module, configured to send a confirmation status response message to the client, where the confirmation status response message includes a status indicating whether the first server negotiates to confirm the generated train directory, an effective status of the train directory, and/or an effective status of a train topology counter.
18. The train reconnection device according to any one of claims 10-16, wherein said train comprises at least two service terminals which are respectively gateways of head cars of a corresponding train consist.
19. The train reconnection system is characterized by comprising a plurality of service ends of a train, wherein the service ends comprise a first service end and a second service end, and train groups arranged on the first service end and the second service end are different;
when train reconnection occurs, a plurality of service terminals of the train generate a train directory;
a first service end in the plurality of service ends receives train constitution request information sent by a client end;
the first server side sends train constitution information confirmation messages to other server sides in the multiple server sides according to the generated train catalogs so as to negotiate and confirm whether the generated train catalogs are consistent or not, and when the generated train catalogs are inconsistent, the second server side which does not negotiate is used for informing other server sides in the multiple server sides to correct the train catalogs; the train composition information confirmation message is used for indicating carriage node information of a train set;
and the first service end corrects the train catalog generated by the first service end according to the notification of the second service end.
20. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements the train reconnection method as defined in any one of claims 1 to 9.
21. A non-transitory computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the train reconnection method as recited in any one of claims 1-9.
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