WO2021063325A1 - Système et procédé de protection de trains automatiques - Google Patents

Système et procédé de protection de trains automatiques Download PDF

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Publication number
WO2021063325A1
WO2021063325A1 PCT/CN2020/118547 CN2020118547W WO2021063325A1 WO 2021063325 A1 WO2021063325 A1 WO 2021063325A1 CN 2020118547 W CN2020118547 W CN 2020118547W WO 2021063325 A1 WO2021063325 A1 WO 2021063325A1
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WIPO (PCT)
Prior art keywords
train
information
interlocking
target
controller computing
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PCT/CN2020/118547
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English (en)
Chinese (zh)
Inventor
陈典
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西门子交通有限责任公司
陈典
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Application filed by 西门子交通有限责任公司, 陈典 filed Critical 西门子交通有限责任公司
Priority to EP20871743.9A priority Critical patent/EP4023526A4/fr
Publication of WO2021063325A1 publication Critical patent/WO2021063325A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • 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

Definitions

  • the invention relates to the field of rail transit control, and in particular to an automatic train protection system and method.
  • the existing ground equipment is mainly composed of automatic train supervision system (Automatic Train Supervision, ATS), automatic train protection system (Automatic Train Protection, ATP), automatic train operation system (ATO), and computer interlocking system (Computer Interlocking).
  • automatic train supervision system Automatic Train Supervision, ATS
  • automatic train protection system Automatic Train Protection, ATP
  • automatic train operation system ATO
  • computer interlocking system Computer Interlocking
  • ATP includes: Zone Controller (ZC) and On-board ATP (On-board Automatic Train Protection, On-board ATP); CI pair
  • ZC Zone Controller
  • On-board ATP On-board Automatic Train Protection, On-board ATP
  • CI CI pair
  • the track line is mainly divided into multiple sections, and the corresponding area controller is designated for each section.
  • the area controllers corresponding to two adjacent track sections there is inevitably a control boundary between the area controllers corresponding to two adjacent track sections.
  • the area controllers corresponding to the two adjacent track sections on both sides of the boundary need to communicate to complete the transfer of trains.
  • the communication between the area controllers corresponding to two adjacent track sections is delayed or interrupted, the actual train operation will be inconsistent with the information obtained by the area controller, which will affect the smoothness and comfort of the train operation, and even safety.
  • the present invention provides an automatic train protection system and method, which realizes unified management of running trains, eliminates handover procedures between regional controllers, thereby eliminating control boundaries, and effectively reducing actual train operation conditions. Risk of inconsistency with the information obtained by the area controller.
  • an automatic train protection system including:
  • At least two regional controller computing nodes At least two regional controller computing nodes
  • the distribution unit is connected to at least one train and at least two area controller computing nodes, and is configured to receive a movement authorization request sent by the target train, where the movement authorization request includes location information of the target train, operation information of the target train, and The characteristic identification of the target train, and from at least two area controller computing nodes, one area controller computing node is selected for the movement authorization request, and the movement authorization request is sent to the selected area controller computing node;
  • each area controller computing node is configured to obtain train sorting map information, movement authorization information of other trains, and interlocking information according to the location information of the target train and the characteristic identification of the target train after being selected. Train sequence map information, movement authorization information of other trains, interlocking information, and operation information of the target train, generate target movement authorization, and send the target movement authorization to the distribution unit;
  • the distribution unit is further configured to send the target movement authorization to the target operating train.
  • the automatic train protection system further includes:
  • At least one first registration node connected to at least one running train and at least two regional controller computing nodes, configured to generate and store a corresponding train registration list for the running train in response to a registration request received from each running train,
  • the registration request includes the characteristic identifier and operation information of the running train
  • the train registration list includes the characteristic identifier and operation information corresponding to the running train
  • each area controller computing node is configured to match the characteristic identifier of the target operating train from the train registration list after receiving the movement authorization request, and if the matching is successful, update the registration list according to the characteristic identifier of the target operating train The operation information of the target train in the target train, and obtain the train sorting map information related to the target train, the movement authorization information of other trains, and the interlocking information; if the matching fails, the target train is handed over to at least one first registered node to Make the target train enter the registration process.
  • the automatic train protection system further includes:
  • At least one second registration node is configured to register each area controller computing node
  • An allocation unit connected to at least one second registered node, configured to search for at least one registered area controller computing node from the at least one second registered node, and run for the target from the at least one registered area controller computing node The train selects an area controller computing node.
  • At least one second registered node is configured to store the operating state of each registered area controller computing node
  • the distribution unit is configured to select an area controller computing node for the target train according to the operating status of each registered area controller computing node, so that each registered area controller computing node achieves load balancing.
  • the automatic train protection system further includes:
  • the operation data management subsystem is connected to at least two regional controller computing nodes, and is configured to store train sorting map information and all train movement authorization information.
  • the train sorting map information includes the real-time location corresponding to each running train and all train movement authorizations
  • the information includes the real-time and historical movement authorization corresponding to each running train, and the train sorting map information indicates the position sorting of the running trains in all running lines;
  • Each area controller computing node is configured to send the location information of the target running train and the characteristic identification of the target running train to the operation data management subsystem after being selected;
  • the operation data management subsystem is further configured to provide the regional controller computing node with the train sorting map and real-time and historical movement authorization related to the target running train based on the location information of the target running train and the characteristic identification of the target running train; and running according to the target The location information of the train and the characteristic identification of the target running train, update the train sorting map information related to the target running train;
  • the operation data management subsystem is further configured to update the movement authorization information corresponding to the target operation train according to the latest movement authorization information of the target operation train calculated by the calculation node of the area controller.
  • the operating data management subsystem includes: a first screening server, a second screening server, at least one first database, and at least one second database ,among them,
  • Each first database connected to the first screening server, is configured to store and update part of the train sorting map
  • the first screening server is connected to each regional controller computing node, and is configured to find trains related to the target train from at least one first database according to the location information of the target train and the characteristic identifier of the target train. Sorting map, and providing the train sorting map related to the target running train to the computing node of the area controller;
  • the first screening server is connected to each area controller computing node, and is configured to update at least one first database related to the train sequencing information of the target running train according to the location information of the target running train and the characteristic identification of the target running train;
  • Each second database connected to the second screening server, is configured to store and update the real-time and historical movement authorizations corresponding to some running trains;
  • the second screening server connected to each regional controller computing node, is configured to find out the relevant history of the target running train from at least one second database according to the location information of the target running train and the characteristic identification of the target running train Real-time movement authorization provides the relevant history and real-time movement authorization of the target train to the computing node of the regional controller; and updates the at least one second database according to the characteristic identifier of the target train and the latest movement authorization of the target train Real-time and historical movement authorization information related to the target train.
  • the first/second screening server and the first/second database can be selected.
  • the automatic train protection system further includes:
  • the interlocking information processing subsystem is connected to at least two regional controller computing nodes and the interlocking system, and is configured to store interlocking information, where the interlocking information includes state information of all interlocking elements of all connected interlocking systems;
  • Each area controller computing node is configured to send an interlocking information acquisition request to the interlocking information processing subsystem after being selected, and the interlocking information acquisition request includes the identification of the interlocking element;
  • the interlocking information processing subsystem is further configured to query the state information of all interlocking elements in the interlocking system and the state of the control part of the interlocking elements, and send the related interlocking information inquired to the selected area controller for calculation node.
  • the interlocking information processing subsystem includes: at least two interlocking information cache databases and an interlocking information screening server, where:
  • Each interlocking information cache database is connected to at least one interlocking system and an interlocking information screening server, and is configured to cache the state information of the interlocking elements in the connected at least one interlocking system;
  • the interlocking information screening server is connected to at least two regional controller computing nodes, and is configured to receive interlocking information acquisition requests, find the state information of interlocking components in at least two interlocking information cache databases, and interlock The status information of the element is sent to the selected area controller computing node.
  • the interlocking information processing subsystem further includes:
  • At least two interlocking information cache backup databases corresponding to at least two interlocking information databases one-to-one, connected to the interlocking information screening server, configured to back up the state information of the interlocking components cached in the corresponding interlocking information cache database ;
  • the interlocking information screening server is configured to search for related interlocking component state information from the interlocking information cache backup database corresponding to the interlocking information cache database that failed to communicate with any interlocking information cache database.
  • the automatic train protection system further includes:
  • Interlocking processing backup subsystem connected to at least two regional controller computing nodes and all interlocking systems of the track, configured to backup interlocking information;
  • Each area controller computing node is configured to send an interlock information acquisition request to the interlock processing backup subsystem after it is selected and after communication with the interlock information processing subsystem fails;
  • the interlock processing backup subsystem is further configured to search for relevant interlock element information and send the relevant interlock element information to the selected area controller computing node.
  • an embodiment of the present invention also provides an automatic train protection method, including:
  • the movement authorization request includes the location information of the target train, the operation information of the target train, and the characteristic identifier of the target train;
  • the selected area controller computing node obtains train sorting map information, real-time movement authorization information and interlocking information of other trains according to the location information of the target running train and the characteristic identification of the target running train, and according to the train sorting map information, other trains
  • the target mobile authorization information, the operation information of the target train and the interlocking information are generated to generate the target mobile authorization, and the target mobile authorization is sent to the distribution unit;
  • the target movement authorization is sent to the target running train through the distribution unit.
  • the automatic train protection method further includes: responding to a registration request received from each train in operation through at least one first registration node, The operating train generates and stores a corresponding train registration list, where the registration request includes the characteristic identifier of the operating train and train operation information, and the train registration list includes the characteristic identifier and train operation information corresponding to the operating train;
  • the mobile authorization request is sent to the selected area controller computing node, it further includes:
  • the selected area controller computing node matches the feature identification of the target train from the train registration list. If the matching is successful, it obtains the train sorting map information related to the target train and other trains' information according to the feature identification of the target train. Mobile authorization information and interlocking information; if the matching fails, the target operating train is handed over to at least one first registration node, so that the target operating train enters the registration process.
  • the automatic train protection method further includes: registering each area controller computing node through at least one second registration node;
  • the step of selecting an area controller computing node for the target train includes: searching for at least one registered area controller computing node from at least one second registered node, and setting the target from at least one registered area controller computing node
  • the running train selects a regional controller computing node.
  • the automatic train protection method further includes:
  • the steps of selecting an area controller computing node for the target train include:
  • a regional controller computing node is selected for the target train, so that each registered regional controller computing node achieves load balancing.
  • the automatic train protection method further includes:
  • the train sorting map information is stored through the operation data management subsystem, the real-time location corresponding to each running train, all train movement authorization information includes the real-time and historical movement authorization corresponding to each running train, and the train sorting map information indicates all the running lines Sequence of the locations of the running trains;
  • the mobile authorization request is sent to the selected area controller computing node, it further includes:
  • the operation data management subsystem provides the regional controller computing node with the train sorting map and real-time and historical movement authorization related to the target running train, and according to the location information of the target running train Update the train sorting map information related to the target running train with the feature identification of the target running train; and update the mobile authorization information corresponding to the target running train according to the latest movement authorization information of the target running train calculated by the calculation node of the area controller .
  • the step of storing train sorting map information through the operation data management subsystem includes: storing train sorting maps through at least two first databases, and storing train sorting maps through at least two first databases. 2.
  • the database stores real-time and historical movement authorization corresponding to the running train.
  • the automatic train protection method further includes: through interlocking information
  • the processing subsystem stores the interlocking information, which includes the status information of all interlocking components of all connected interlocking systems;
  • the steps to obtain interlocking information include:
  • the step of storing the interlocking information through the interlocking information processing subsystem includes: caching at least one of the connected interlocks through at least two interlocking information cache databases Status information of all interlocking components of the system;
  • the interlocking information related to the location information of the target running train is searched through the interlocking information processing subsystem, and the interlocking information related to the location information of the target running train is sent to the selected area controller computing node.
  • the steps include: The interlocking information screening server receives the interlocking information acquisition request; searches for the state information of the interlocking components in at least two interlocking information cache databases, and sends the state information of the interlocking components to the selected area controller for calculation node.
  • the automatic train protection method further includes: backing up the interlocking information cache database corresponding to the interlocking information cache through at least two interlocking information cache backup databases.
  • the status information of the component
  • the interlocking information screening server After the interlocking information screening server fails to communicate with any interlocking information cache database, it searches the interlocking information cache backup database corresponding to the interlocking information cache database that failed to communicate with the related interlocking component state information.
  • the automatic train protection method further includes:
  • the distribution unit serves as the communication hub between the running train and at least two regional controller computing nodes.
  • the target running train After receiving the movement authorization request sent by the target running train, it selects a regional controller computing node for the target running train.
  • the area controller computing node is selected by the allocation unit, and the selected area controller computing node obtains train sorting map information and other train movement authorizations according to the location information of the target running train and the characteristic identification of the target running train Information and interlocking information, according to the train sorting map information, the operation information of the target train, other train movement authorization information and interlocking information, the target movement authorization is generated, and the target movement authorization is sent to the distribution unit, eliminating the area controller calculation
  • the nodes control the operation of trains in accordance with the area, and at the same time eliminate the information interaction process between the calculation nodes of the area controllers, thereby realizing the unified management of the running trains, eliminating the handover procedures between the area controllers, eliminating the control boundary, and avoiding the control
  • Figure 1 is a schematic diagram of a regional controller managing and running trains in the prior art
  • FIG. 2 is a schematic structural diagram of an automatic train protection system provided by an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another automatic train protection system provided by an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of an operational data management subsystem provided by an embodiment of the present invention.
  • Figure 5 is a schematic diagram of a data storage structure of an operational data management subsystem provided by an embodiment of the present invention.
  • Figure 6 is a schematic structural diagram of an interlocking information processing subsystem provided by an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a running line of multiple trains in operation according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram related to movement authorization for multiple trains in operation according to an embodiment of the present invention.
  • Figure 9 is a flow chart of part of the automatic train protection realized by the interaction among the interlocking components, the interlocking information processing subsystem, and the calculation nodes of the area controller provided by an embodiment of the present invention
  • FIG. 10 is a flowchart of a method for managing running trains according to an embodiment of the present invention.
  • FIG. 11 is a flowchart of part of automatic train protection implemented by interaction among management nodes, load balancing servers, and regional controller computing nodes in a cluster provided by an embodiment of the present invention.
  • First database 1044 Second database 105: Interlocking information processing subsystem
  • Interlocking information screening server 106 Interlocking processing backup subsystem 107: Second registered node
  • Cluster 109 Management node 110: Load balancing server
  • the area controller computing node sends the interlocking element control related instructions to the interlocking information processing subsystem
  • Interlocking information processing subsystem stores interlocking component control related instructions to the cache data block
  • the interlocking system triggers the interlocking information processing subsystem, and receives the component control instructions sent by the interlocking information processing subsystem
  • the interlocking system executes the received component control instruction
  • the interlocking system sends the execution result of the component control instruction to the interlocking information processing subsystem
  • Interlocking information processing subsystem updates the execution status of component control instructions
  • the area controller computing node periodically sends an instruction to obtain the execution status of the component control instruction to the interlocking information processing subsystem
  • the interlock system regularly writes the component status to the interlock information processing subsystem
  • the interlocking information processing subsystem updates the stored component state
  • the area controller computing node sends to obtain the state of the interlocking element from the interlocking information processing subsystem
  • the area controller computing node rewrites the state of a specific interlocking element
  • the interlocking information processing subsystem updates the stored state of the corresponding component and feeds it back to the area controller computing node
  • the interlocking system regularly obtains the state of the interlocking component that needs to be rewritten from the interlocking information processing subsystem
  • the distribution unit receives a mobile authorization request
  • the allocation unit selects an area controller computing node for the mobile authorization request
  • the selected area controller computing node obtains train sorting map information, movement authorization information of other related trains, and interlocking information
  • the selected area controller computing node calculates and generates the target movement authorization based on the train sorting map information, the movement authorization information of other related trains, and the interlocking information
  • the distribution unit sends the train positions of the two running trains to the management node
  • the management node updates its stored train position according to the train positions of the two running trains
  • the distribution unit receives a mobile authorization request sent by two running trains
  • the distribution unit selects the computing node of the regional controller for the running train, and sends the location information of the running train to the computing node of the regional controller
  • the area controller computing node obtains the train sequencing map and historical movement authorization related to the running train
  • the management node splits the train list to obtain a partial list related to running trains
  • the management node sends the partial list related to the running train to the area controller computing node
  • the regional controller computing node generates a mobile authorization and updates the historical mobile authorization
  • the area controller computing node sends the mobile authorization to the distribution unit
  • the distribution unit sends the movement authorization related to the running train to the running train
  • the existing technology is aimed at the management method of running trains, such as subways, light rail trains, trains, and high-speed trains.
  • running trains such as subways, light rail trains, trains, and high-speed trains.
  • the running tracks are divided into different areas, and the regional controllers and links are deployed in each area.
  • Locking systems such as signal lights, track detectors and switch equipment, etc., each time a running train passes through an area, the running train is controlled by the regional controller in the area where the running train is located, and the running train is in the process of moving from one area to another. It is inevitable that the area controllers in two adjacent areas need to transfer information, that is, the area controllers in every two adjacent areas have information transferability.
  • the track section shown in Figure 1 needs to be controlled by two zone controllers ZC1 and ZC2.
  • the zone controller ZC1 manages the vertical The zone R1 on the left of the dotted line (ie, the control boundary of ZC1 and ZC2), the zone controller ZC2 manages the zone R2 on the right. Then, when the running train 20 is running on the track, it is managed by the zone controller ZC1 on the section R1, and is managed by the zone controller ZC2 on the section R2.
  • some data related to section R1 such as the status information of the interlocking element CI1 on section R1 and the train sorting map of section R1
  • the interlocking element on section R1 CI1 communicates with zone controller ZC1
  • some data related to zone R2, such as the status information of interlocking element CI2 on zone R2 and the train sorting map of zone R2 are on zone controller ZC2, while zone R2
  • the upper interlock element CI2 communicates with the zone controller ZC2.
  • the zone controller ZC1 when the running train 20 is running on the section R1, the zone controller ZC1 generates a movement authorization MA1 for the running train 20, and when the running train 20 is running on the zone R2, the zone controller ZC2 generates a movement authorization MA2 for the running train 20. It may be necessary to generate multiple mobile authorizations in each section, which will not be detailed here.
  • the movement authorization refers to the farthest position that can be moved to which is currently determined for the running train.
  • the zone controller ZC1 needs Information is handed over with the zone controller ZC2, that is, the zone controller ZC1 transfers some operating information of the running train 20 to the zone controller ZC2, and at the same time, the zone controller ZC1 also informs the running train 20 that the running train 20 has been taken over by ZC2.
  • the transfer of information between the zone controller ZC1 and the zone controller ZC2, the zone controller ZC1 informing the running train 20 and the zone controller ZC2 to take over the running train 20 requires multiple information interactions to complete.
  • the zone controller ZC2 may lose control of the running train 20, for example, information delay occurs, causing the zone controller ZC2 delays in grasping the position of the running train 20. That is, in the process of information handover between the regional controllers in two adjacent areas, it is inevitable to create an invisible regional boundary for the running train. When the running train passes the regional boundary, once the information is not transferred in time, it is easy to lose control of the running train Accurate control.
  • zone controller ZC2 obtains the accurate position of the running train 20, it is possible that the running train 20 is already less than the safe distance of the two adjacent running trains, and emergency braking is required to stop the running train 20, resulting in operation
  • the train 20 is unstable. Therefore, at the regional boundary, the probability of unstable train operation and emergency braking is high.
  • control is generally achieved by increasing the number of regions, and the increase in the number of regions and the number of trains running on the running track will increase the number of regional controllers, and adjacent regional controllers The transfer of information between them will also be more frequent. Furthermore, due to the processing capacity of the area controller and the limitation of the communication bandwidth between adjacent area controllers, it is difficult for the number of trains that can run on the running track to break through the bottleneck caused by the area boundary.
  • the inventor of the present invention proposes the idea of eliminating the regional boundary, that is, the unified management of the entire running process of the running train on the line. Furthermore, considering the limitation of the processing capabilities of the existing area controllers, the present invention proposes that the processing capabilities of a plurality of area controllers can be concentrated to generate corresponding mobile authorization requests for all moving trains simultaneously sent at the same time.
  • the automatic train protection system mentioned in the embodiment of the present invention eliminates the regional boundary of the regional controller, and transfers to multiple regional controllers to centrally manage all movement authorizations.
  • the system selects a suitable area controller computing node (equivalent to an area controller) for the mobile authorization request based on the idea of load balancing, so that the selected area controller computing node generates the mobile in response to the mobile authorization request.
  • Authorization the system can also select idle area controller computing nodes for the mobile authorization request (this method requires a relatively large number of area controller computing nodes) or directly select an area controller computing node for the mobile authorization request in sequence. Therefore, the automatic train protection system proposed in the embodiment of the present invention does not involve the process of information transfer between the area controller calculation nodes, thereby eliminating the defects that may be caused by the area control limit.
  • An embodiment of the present invention provides an automatic train protection system.
  • the automatic train protection system includes:
  • the distribution unit 102 is connected to at least one train 20 and at least two area controller computing nodes 101, and is configured to receive a movement authorization request sent by the target train 20, where the movement authorization request includes the location information of the target train 20 and the target operation
  • the operation information of the train 20 and the characteristic identification of the target train 20 are selected from at least two area controller computing nodes 101 for the movement authorization request, and the movement authorization request is sent to the selected one.
  • Each area controller computing node 101 is configured to obtain train sorting map information and interlocking information according to the location information of the target running train 20 and the characteristic identification of the target running train 20, and then according to the train sorting map information, The operation information and interlocking information of the target train 20 are generated, the target movement authorization is generated, and the target movement authorization is sent to the distribution unit 102;
  • the allocation unit 102 is further configured to send the target movement authorization to the target operating train 20.
  • the target operating train 20 mentioned in the embodiment of the present invention refers to the operating train 20 that sends a movement authorization request to the distribution unit 102 among at least one operating train 20.
  • connection between the distribution unit 102 and at least one running train 20 mentioned in the embodiment of the present invention refers to a communication connection and/or a data connection, that is, data or instructions can be exchanged between the distribution unit and the train.
  • the position information of the target train may be reliable positioning information in the target train, or may be the relative position of the target train on the line.
  • the operation information of the target operation train may include the speed of the target operation train, the operation status of the target operation train, the operation direction of the target operation train, and the like.
  • the distribution unit may preferably be a load balancing server, and the load balancing server may select an area controller computing node for the target train according to the operating status of each registered area controller computing node, In order to achieve load balancing for each registered area controller computing node.
  • the operation load of the centralized multiple regional controller computing nodes (the regional controller computing node may be an existing regional controller) can be more balanced, so as to avoid the centralized allocation of mobile authorization requests to one or several regional controllers.
  • the operating state of the area controller computing node may be the load/load of the area controller computing node.
  • the load/load of the area controller computing node refers to the processing of the movement authorization request by the area controller computing node.
  • the distribution unit 102 may simultaneously receive the movement authorization request sent by multiple trains of target operation 20, or may only receive the movement authorization request sent by one train of target operation 20.
  • the allocation unit 102 may select the area controller computing node 101 with a small current load for the movement authorization request according to the current load (calculation load) of each area controller calculation node 101.
  • the distribution unit 102 may also use the existing load balancing technology to select the area controller computing node 101 for the mobile authorization request. For example, when 10 mobile authorization requests are received at the same time, the same area controller computing node 101 with the smallest load can be selected for 6 mobile authorization requests, and a load can be selected for the remaining 4 mobile authorization requests. The larger area controller computes the node 101 and so on.
  • the above-mentioned regional controller computing node 101 can be directly implemented by using the existing regional controller configuration.
  • the existing regional controllers can be directly integrated and connected to the distribution unit, and then each regional controller is a regional controller in the embodiment. Calculator node.
  • the allocation unit allocates tasks to the computing nodes of the regional controller, that is, mobile authorization requests, so that more train requests can be processed through load balancing and parallel computing without being limited by hardware performance. Therefore, the operating train can be operated more safely and efficiently.
  • the communication between the calculation node of the area controller and the distribution unit and the communication between the distribution unit and the running train are completed based on Ethernet.
  • the train ordering map/train ordering map information is static information, and the mobile authorization information/mobile authorization is dynamic information (which will happen in the future), and different train movement authorizations are not allowed to have overlapping parts.
  • the automatic train protection system may further include:
  • At least one first registration node 103 connected to at least one train 20 and at least two regional controller computing nodes 101, is configured to generate and store a corresponding registration request for each train 20 in response to receiving a registration request from each train 20 Train registration list, where the registration request includes feature identification and operation information, and the registration list includes feature identification and operation information corresponding to the running train;
  • Each area controller computing node 101 is configured to match the characteristic identifier of the target train 20 from the train registration list corresponding to the target train 20 after receiving the movement authorization request, and if the matching is successful, then according to the target train 20 Feature identification to obtain train sorting map information related to the target train, real-time movement authorization information related to other trains, and interlocking information; if the matching fails, the target train 20 is handed over to at least one first registration node 103, so that the target Run the train 20 to enter the registration process.
  • the registration process of the target operating train 20 executed by the first registration node 103 may include inserting the train feature identification and operation information of the target operating train 20 into the train registration table, updating the relevant train sorting map, and real-time and historical movement authorization.
  • the registration of the running train can be realized through the first registration node, so as to better manage the running train, that is, the running train needs to be registered before it can run on the train track. Then, after the running train goes offline and returns to the depot for maintenance, the offline running train can be deleted at the first registration node to ensure that all running trains registered on the first registration node are in a drivable state.
  • the above-mentioned feature identifier refers to the unique identity identifier of the running train, such as the unique code of each running train.
  • operating lines are generally lines or sections permitted by operating trains.
  • operating train A is allowed to run Metro Line 10
  • operating train A’s operating line is Metro Line 10
  • operating train B is allowed There are 5 lines from A to B, and from A to B.
  • line 1 is allowed to run by train B
  • the running line of train B is line 1.
  • the above-mentioned train sorting map information indicates the train location and operation status of all running trains; the above-mentioned train movement authorization information indicates the real-time and historical movement authorization information of all running trains.
  • the running line of running train A is Metro Line 10
  • the train sorting map information corresponding to the running train A indicates the locations of all running trains carried by Metro Line 10 and the running status of all running trains carried by Metro Line 10.
  • the positions of all trains on the running line where the running trains are located can be indicated by marking on the train sorting map.
  • the locations of all running trains running on Line 10 are specially marked on the route map corresponding to Metro Line 10.
  • the special mark may be a feature mark of the running train.
  • the automatic train protection system may further include: at least one second registration node 107 is configured to store the operating state of each registered area controller computing node 101;
  • the allocation unit 102 is configured to select a regional controller computing node 101 for the target train 20 according to the operating status of each registered regional controller computing node 101, so that each registered regional controller computing node 101 can be implemented Load balancing. Realize the registration management of the area controller computing node.
  • the second registration node may be the same node as the first registration node, or may be a different node.
  • the regional controller computing node is a node in a cluster
  • the second registered node and the first registered node may be management nodes in the cluster.
  • the automatic train protection system may further include:
  • the operation data management subsystem 104 is connected to at least two regional controller computing nodes 101, and is configured to store train sorting map information and all train movement authorization information.
  • the train sorting map information includes the real-time position corresponding to each running train 20,
  • the train movement authorization information includes the real-time and historical movement authorizations corresponding to each running train 20, and the train sorting map information indicates the position sorting of the running trains 20 in all running lines;
  • Each area controller computing node 101 is configured to send the location information of the target operating train 20 and the characteristic identifier of the target operating train 20 to the operating data management subsystem 104 after being selected;
  • the operation data management subsystem 104 is further configured to provide the regional controller computing node 101 with a train sorting map and real-time and historical movement authorizations related to the target train 20 according to the location information of the target train 20 and the characteristic identifier of the target train 20. ; And according to the location information of the target train 20 and the feature identification of the target train 20, update the train sorting map information related to the target train 20;
  • the operation data management subsystem 104 is further configured to update the movement authorization information corresponding to the target operation train 20 according to the latest movement authorization information of the target operation train 20 calculated by the area controller computing node 101.
  • the data management of the running train and the running line is realized, that is, the area controller computing node is separated from the data necessary for generating the movement authorization, such as the train sorting map and the historical movement authorization. That is, the operational data management subsystem provides all the regional controller computing nodes with the data necessary to generate mobile authorization. These data necessary to generate mobile authorization are equal to each regional controller computing node, realizing data storage and regional The controller computing nodes are separated, which can effectively reduce the load of the regional controller computing nodes. In addition, when a computing node of a regional controller fails or the communication is abnormal, it does not affect the computing nodes of other regional controllers to obtain all required data, which reduces the risk of train runaway, thereby further ensuring the smoothness of train operation.
  • the train sequencing map related to the target running train may indicate the sequence of running trains before and after the road section where the target running train is located.
  • the train sequencing map related to the target running train can also indicate the position sequence of all running trains on the line where the target running train is located.
  • the historical movement authorization related to the target operating train may indicate the movement authorization that the target operating train has obtained in the past, and may also indicate the historical movement authorization obtained by the operating train adjacent to the target operating train.
  • registration node and the operating data management subsystem can exist at the same time, or they can exist in an alternative manner.
  • the operation data management subsystem 104 includes: a first screening server 1041, a second screening server 1042, at least two A first database 1043 and at least two second databases 1044, of which,
  • Each first database 1043 is connected to the first screening server (1041), and is configured to store and update part of the train sorting map;
  • the first screening server 1041 is connected to each area controller computing node 101, and is configured to find out from at least one first database 1043 the location information of the target train 20 and the characteristic identifier of the target train 20. Train sequencing map information related to the running train 20, and providing the train sequencing map related to the target running train 20 to the area controller computing node 101;
  • Each second database 1044 connected to the second screening server 1042, is configured to store and update real-time and historical movement authorization information corresponding to some of the running trains 20;
  • the second screening server 1042 is connected to each area controller computing node 101, and is configured to find out from at least one second database 1044 the location information of the target train 20 and the characteristic identifier of the target train 20.
  • the relevant history and real-time movement authorization of the running train 20 provide the relevant history and real-time movement authorization of the target running train 20 to the regional controller computing node 101; and according to the characteristic identification of the target running train 20 and the latest target running train (20)
  • the movement authorization is to update the real-time and historical movement authorization information related to the target train 20 in the second database 1044.
  • the newly registered operating trains are added with the information of the newly registered operating trains to update the train sorting map information and the history related to the newly registered operating trains With real-time mobile authorization.
  • the first screening server and the second screening server can communicate with the regional controller computing node via Ethernet.
  • the operation data management subsystem is deployed in a distributed manner, which realizes distributed management of train operation data such as train sequence maps and real-time and historical movement authorization information, which can effectively improve the security of these train operation data.
  • train arrangement map and real-time and historical movement authorizations in different databases, searching for the train arrangement map through the first screening server, and searching for real-time and historical movement authorizations through the second screening server, the area can be effectively improved.
  • the controller calculates the efficiency of obtaining the train arrangement map and the historical movement authorization by the controller, thereby further improving the efficiency of generating the movement authorization, so that the matching degree between the movement authorization and the actual movement of the target train is more accurate.
  • the numbers of the first database and the second database are at least two, so as to separately store the train arrangement map and the historical movement authorization in a distributed manner.
  • the stored train arrangement map and historical movement authorization can be backed up separately to further improve the safety of train operation data such as the train arrangement map and historical movement authorization.
  • the train arrangement map and historical movement authorization are stored and backed up in the first database and the second database.
  • the train arrangement map is stored in three first databases 1043 in a distributed manner.
  • the first first database 1043 stores the first part 1 of the train arrangement map
  • the second first database 1043 stores the train arrangement map.
  • the second part 2 the third first database 1043 stores the third part 3 of the train arrangement map, and at the same time, the first first database 1043 backs up the second part 2 of the train arrangement map, and the second first database 1043 backs up The third part 3 of the train arrangement map, the third first database 1043 backs up the first part 1 of the train arrangement map, and the historical movement authorization is stored in three second databases 1044 in a distributed manner, of which the first second database 1044 stores The first part 4 of historical mobile authorization, the second second database 1044 stores the second part 5 of historical mobile authorization, and the third second database 1044 stores the third part 6 of historical mobile authorization.
  • first second database 1044 Backs up the second part 5 of the historical mobile authorization
  • the second second database 1044 Backs up the third part 6 of the historical mobile authorization
  • the third second database 1044 Backs up the first part 4 of the historical mobile authorization, that is, through cross backup, further Improve data security.
  • the first part, the second part and the third part given in Figure 3 can be divided in any form, and the combination of the first part, the second part and the third part is all the historical movement authorization data or all the trains. Sort the map.
  • first database second database
  • first screening server and second screening server may exist in a cluster.
  • the nodes According to the data volume of the train arrangement map and the data volume of the historical movement authorization, the nodes can be expanded for the cluster to realize the expansion of the first database and the second database.
  • the first database and the first screening server may exist in a cluster.
  • the second database and the second screening server may exist in another cluster. That is, the train arrangement map and historical movement authorization are stored in two clusters to facilitate the management of data.
  • the storage mode of the cluster corresponding to the train arrangement map and the storage mode of the cluster corresponding to the historical movement authorization will be explained separately.
  • a cluster storage method corresponding to the train arrangement map may be a database that divides and stores the train arrangement map according to road sections.
  • a section of track is divided into 7 sections, namely S1, S2, S3, S4, S5, S6, and S7.
  • the relevant data corresponding to sections S1 to S3, such as the occupancy of the sections by trains, are stored
  • the relevant data corresponding to the road section S4 to S6 is stored in the database DB2
  • the relevant data corresponding to the road section S7 to Sn is stored in the database DB3, etc.
  • the database DB1, the database DB2, and the database DB3 are different first databases 1043.
  • the train sorting map can be recorded in the form of a table, and the table structures related to the train sorting map are shown in Table 1 and Table 2 below, respectively.
  • O represents occupied, and Not O represents unoccupied.
  • a cluster storage method corresponding to real-time and historical movement authorization may be a database that divides and stores historical movement authorizations according to road sections.
  • a track is divided into 7 sections, namely S1, S2, S3, S4, S5, S6, and S7.
  • the movement authorization corresponding to the road sections S1 ⁇ S3 is stored in the database DB4, S4 ⁇
  • the mobile authorization corresponding to the S6 road section is stored in the database DB5, and the mobile authorization corresponding to the S7 and S8 road sections are stored in the database DB6, and so on.
  • the database DB4, the database DB5, and the database DB6 are different second databases 1044.
  • the historical movement authorization can be recorded in the form of a table in the second database 1044, and the table structure related to the historical movement authorization is shown in Table 3 below.
  • xx1 represents an unbranched track
  • xx2 represents a turnout section
  • MAn lock represents that the road section is locked by the nth movement authorization pair
  • Unlock represents that the road section is not locked by any movement authorization pair
  • the sequence represents that the road section is passed by a train running in a movement authorization The order.
  • cross-backup methods such as backing up historical movement authorization to the first database, and backing up the train arrangement map to the second database, which will not be repeated here.
  • the number of the first database and the second database can also be increased or decreased according to storage requirements.
  • the automatic train protection system may further include:
  • Interlocking information processing subsystem 105 connected to at least two regional controller computing nodes 101 and all interlocking systems 30 of the track, configured to store interlocking information, the interlocking information includes all interlocking of all connected interlocking systems 30 The status information of the component;
  • Each area controller computing node 101 is configured to send an interlock information acquisition request to the interlock information processing subsystem 105 after being selected, and the interlock information acquisition request includes an interlock element identifier;
  • the interlocking information processing subsystem 105 is further configured to query the state information of all the interlocking elements in the interlocking system 30 and the state of the control part of the interlocking elements, and send the related interlocking information inquired to the selected area control ⁇ Compute node 101.
  • the interlocking components such as the indicator light indicating the occupied condition of the track, etc., realize the unified management of the interlocking information through the interlocking information processing subsystem.
  • interlocking information processing subsystem 105 and the operation data management subsystem 104 may exist in the automatic train protection system at the same time, or may exist in an alternative manner.
  • the interlocking information processing subsystem 105 can exist in the automatic train protection system at the same time as the registration node 103, or it can exist in an alternative manner.
  • interlocking information processing subsystem 105 can be a database cluster, and the information interaction relationship and flow between the interlocking information processing subsystem 105 and the regional controller computing nodes and interlocking elements can be as shown in FIG. 8, which can be specifically Including the following steps:
  • Step 601 The area controller computing node 101 sends interlocking element control related instructions to the interlocking information processing subsystem 105;
  • Step 602 The interlocking information processing subsystem 105 stores the interlocking element control related instructions in the cache data block;
  • Step 603 the interlocking system 30 triggers the interlocking information processing subsystem 105, and receives the component control instruction sent by the interlocking information processing subsystem 105;
  • the trigger may be a time event trigger, that is, instructions are obtained from the interlock information processing subsystem 105 at regular intervals.
  • Step 604 The interlocking system 30 executes the received component control instruction
  • Step 605 The interlocking system 30 sends the execution result of the component control instruction to the interlocking information processing subsystem 105;
  • Step 606 The interlocking information processing subsystem 105 updates the execution status of the component control instruction
  • the command status can be a response received or no response received.
  • the response received is divided into two states: success and failure.
  • the above instruction may be a heartbeat packet to detect whether the communication between the interlocking system 30 and the interlocking information processing subsystem 105 is smooth.
  • Step 607 The area controller computing node 101 regularly sends an instruction to obtain the execution status of the component control instruction to the interlock information processing subsystem 105;
  • the timing can be triggered by a time event set by the line.
  • Step 608 The area controller calculates the status of the execution of the control command received by the node 101;
  • Step 609 The interlocking system 30 regularly writes the component status to the interlocking information processing subsystem 105;
  • the timing can be triggered by a time event set by the line.
  • Step 610 The interlocking information processing subsystem 105 updates the stored component state
  • Step 611 The area controller computing node 101 sends to obtain the state of the interlocking element from the interlocking information processing subsystem 105;
  • Step 612 The area controller computing node 101 rewrites the state of a specific interlocking element, such as a screen door;
  • Step 613 The interlocking information processing subsystem 105 updates the stored corresponding element state, and feeds it back to the area controller computing node 101;
  • Step 614 The interlocking system 30 periodically obtains the state of the interlocking element that needs to be rewritten from the interlocking information processing subsystem 105.
  • step 601 to step 608 are the process and steps of information interaction between the area controller computing node 101, the interlocking information processing subsystem 105, and the interlocking system 30 for instructions.
  • Steps 609 to 611 are the process and steps of information exchange between the area controller computing node 101, the interlocking information processing subsystem 105, and the interlocking system 30 regarding the state of the components.
  • Steps 612 to 614 are the process and steps for information exchange between the area controller computing node 101, the interlocking information processing subsystem 105, and the interlocking system 30 for the state of the error component.
  • the interlocking information processing subsystem 105 includes: at least two interlocking information cache databases 1051 and an interlocking information screening server 1052, in which,
  • Each interlocking information cache database 1051 is connected to at least one interlocking system 30 and an interlocking information screening server 1052, and is configured to cache the state information of all interlocking elements of the connected at least one interlocking system 30;
  • the interlocking information screening server 1052 is connected to at least two regional controller computing nodes 101, and is configured to receive interlocking information acquisition requests, and search for relevant interlocking element status information in at least two interlocking information cache databases 1051, And send the state information of the interlocking element to the selected area controller computing node 101.
  • the interlocking information acquisition request may include the ID of the interlocking element
  • the interlocking information screening server 1052 directly searches for the status information of the interlocking element corresponding to the ID of the interlocking element and the occupancy of the track area.
  • the interlocking information screening server and the area controller computing node can communicate through Ethernet.
  • the number of interlocking information cache databases can be set according to the area, that is, the status information of the interlocking elements in each area and the occupancy of the track area corresponding to the area are stored in the same interlock The information is cached in the database. This can solve the problem of different interlocking system interfaces in different areas.
  • the interface of the interlocking system in area X may be different from the interface of the interlocking system in area Y
  • the corresponding interlocking information cache database can be deployed for area X and area Y respectively, where the interlocking information cache database corresponding to area X communicates with the interlocking system in area X, and the interlocking information cache database corresponding to area Y communicates with the interlocking system in area X.
  • Interlocking system communication in area Y. Communication between the interlocking information cache database and the interlocking system can be established via Ethernet.
  • a corresponding interlocking information cache database is allocated to the interlocking system in each area, which is realized on the basis of the existing interlocking system of each section. That is, the solution provided by the embodiment of the present invention does not need to adjust the existing interlocking system, so that the automatic train protection system provided by the embodiment is more practical and can effectively save the cost of system construction.
  • the above-mentioned area can be an operating line such as Metro Line 10, or a section of an operating line such as the Beijing-Zhengzhou section of the Beijing-Kowloon Line.
  • the interlocking information processing subsystem 105 further includes:
  • At least two interlocking information cache backup databases 1053 corresponding to at least two interlocking information databases 1051 one-to-one, connected to the interlocking information screening server 1052, configured to back up the state of the cache in the corresponding interlocking information cache database 1051 Information and the occupancy of the track area;
  • the interlocking information screening server 1052 is configured to search for the target running train from the interlocking information cache backup database 1053 corresponding to the interlocking information cache database 1051 that failed to communicate with any of the interlocking information cache databases 1051.
  • the position information of 20 is related to the state information of the interlocking element.
  • the data in the interlocking information cache database is backed up by setting the interlocking information cache backup database to ensure the safety of the interlocking information, so as to further improve the accuracy of controlling the running train and the stability of the running train.
  • the automatic train protection system further includes:
  • Interlocking processing backup subsystem 106 connected to at least two regional controller computing nodes 101 and all interlocking systems 30 of the track, configured to backup interlocking information;
  • Each area controller computing node 101 is configured to, after being selected, send the interlock information acquisition request to the interlock processing backup subsystem 106 after communication with the interlock information processing subsystem 105 fails;
  • the interlock processing backup subsystem 106 is further configured to search for relevant interlock information and send the relevant interlock information to the selected area controller computing node 101.
  • the related interlocking information refers to the interlocking information of the interlocking elements on the section where the target train is located.
  • interlocking information cache backup database Due to the large number of interlocking system suppliers and the data involved, the unity of interlocking information can be effectively guaranteed through the combination of interlocking information cache backup database and interlocking processing backup subsystem.
  • the automatic train protection backup system can temporarily replace the automatic train protection system when there is a problem with the automatic train protection system.
  • the above-mentioned automatic train protection system further includes: a management node 109 connected to the distribution unit 102 and the area controller computing node 101, and the management node 109 is configured to receive the position of the running train 20 sent by the distribution unit 102 Report and store the position report of the running train 20, update the position information of the train in real time, and send the position information corresponding to the movement authorization request to the selected area controller computing node 101.
  • the management node 109 can also register each area controller computing node 101 to facilitate the management of the area controller computing node 101.
  • the allocation unit 102 connected to the management node 109, is configured to search for at least one registered area controller computing node 101 from the management node 109, and run trains for the target from at least one registered available area controller computing node 101 20 select a regional controller computing node 101.
  • the management of the area controller computing node can be realized.
  • the management node 109 can also store the real-time load status of the area controller computing node, so that the distribution unit can select the area controller computing node for the mobile authorization request according to the real-time load status of the area controller computing node stored in the management node.
  • first registration node 103 and second registration node 107 can independently manage the existence of nodes, or the management node 109 can be used to replace the first registration node 103 and the second registration node 107 to enable train operation and area control.
  • the registration and management of the processor computing node are completed on the management node.
  • the calculation nodes of the regional controller can be increased or decreased according to actual needs. For example, during peak passenger flow periods such as the Spring Festival transport period, it is necessary to increase the number of running trains, and the calculation nodes of the regional controller can be added to meet the needs of the increased number of running trains. Management. For another example, after the passenger flow peak period, the number of trains in operation returns to before the passenger flow peak, the additional area controller computing nodes are no longer needed, and the increased area controller computing nodes can be taken offline. For another example, line maintenance needs to reduce running trains. At this time, some regional controller computing nodes may be idle, and then the idle regional controller computing nodes can be removed.
  • the added regional controller computing node needs to be registered on the management node, so that the distribution unit can learn the added regional controller computing node.
  • the distribution unit To reduce the area controller computing nodes, it is necessary to cancel the reduced area controller computing nodes on the management node, so that the distribution unit no longer selects the reduced area controller computing nodes. Make the operation train management system have high availability.
  • At least two regional controller computing nodes 101 and management nodes 109 form a cluster 108, where the management node 109 is the master node of the cluster 108, and at least two regional controller computing nodes 101 Each of the regional controller computing nodes 101 is a slave node of the cluster 108.
  • the registered node 103 may also be a slave node in the cluster 108.
  • the distribution unit 102 is respectively connected to the management node 109 (master node) in the cluster 108 and each regional controller computing node 101 (slave node) in the cluster.
  • the management node 109 (master node) generally manages all the regional control nodes.
  • the processor calculates the location information of the nodes, the running trains, and the train list.
  • the distribution unit 102 sends the position information of each train 20 to the management node 109 (master node), and the management node 109 (master node) will update the position information of each train 20.
  • the distribution unit 102 receives the movement authorization request sent by the target train 20 and selects the area controller computing node 101 for the movement authorization request, the distribution unit 102 sends the location information of the target train 20 to the selected area
  • the controller computes the node 101, and feeds back the selected area controller compute node 101 to the management node 109 (master node), then the management node 109 (master node) sends the list information related to the target train 20 in the train list
  • the node 101 is calculated for the selected area controller.
  • the selected area controller computing node 101 obtains the train ranking map and historical movement authorization related to the target operating train 20 from the operation data management subsystem 104.
  • the selected area controller computing node 101 calculates and generates a movement authorization based on the list information related to the target train 20, the train sorting map, and real-time and historical movement authorization, and updates the movement authorization stored in the operation data management subsystem 104.
  • the selected area controller computing node 101 sends the movement authorization to the allocation unit 102, and the allocation unit 102 sends the movement authorization to the target train 20.
  • the existing interlocking elements can continue to be used, which can ensure the safety of train operation.
  • a backup automatic train protection system can also be provided for the automatic train protection system.
  • the automatic train protection system can be activated to connect the automatic train protection system to operate trains. Provide services.
  • the automatic train protection system can be deployed on a cloud server.
  • the area controller computing node, distribution unit, operation data management subsystem, and interlocking information processing subsystem in the automatic train protection system are deployed on the cloud server.
  • an embodiment of the present invention provides an automatic train protection method of an automatic train protection system.
  • the automatic train protection method may include the following steps:
  • Step 701 the allocation unit receives a mobile authorization request
  • Step 702 the allocation unit selects an area controller computing node for the mobile authorization request
  • Step 703 The selected area controller computing node obtains train sorting map information, movement authorization information of other related trains, and interlocking information;
  • Step 704 The selected area controller computing node calculates and generates the target movement authorization according to the train sorting map information, the movement authorization information of other related trains, and the interlocking information.
  • the calculation to generate the target mobile authorization can be realized by using an existing calculation method.
  • step 701 may be to receive the movement authorization request sent by the target train 20 through the distribution unit 102,
  • the movement authorization request includes the location information of the target operating train 20, the operating information of the target operating train 20, and the feature identification of the target operating train 20.
  • the automatic train protection system shown in FIG. 2 or FIG. 3 is used to implement the automatic train protection method.
  • a specific implementation of step 702 may be to select an area controller calculation for the movement authorization request through the distribution unit 102
  • the node 101 sends the mobile authorization request to the selected area controller computing node 101.
  • the allocating unit 102 selects the computing nodes of the regional controllers for mobile authorization requests based on the principle of load balancing, so as to avoid excessive load differences between the computing nodes of the regional controllers.
  • the automatic train protection system shown in FIG. 2 or FIG. 3 is used to implement the automatic train protection method.
  • a specific implementation of step 703 may be that the selected area controller computing node 101 runs the train 20 according to the target.
  • the location information of the target train 20 and the characteristic identification of the target train 20, the train sorting map information, the movement authorization information of other related trains and the interlocking information, according to the train sorting map information, the operation information of the target train 20, and the movement authorization of other related trains The information and interlocking information are calculated to generate the target movement authorization, and the target movement authorization is sent to the distribution unit 102.
  • the automatic train protection system shown in FIG. 2 or FIG. 3 is used to implement the automatic train protection method.
  • a specific implementation of step 704 may be to send the target movement authorization to the target operating train 20 through the distribution unit 102.
  • the train operation management method may further include: generating and storing a corresponding train registration list for the running train 20 in response to the registration request received by each running train 20 through at least one registration node 103, where the registration request Including feature identification and operating information.
  • the information corresponding to the registered train running includes feature identification and operating information; after the step of sending the mobile authorization request to the selected area controller computing node 101, it further includes: the selected area
  • the controller computing node 101 matches the feature identification of the target operating train 20 from the train registration list. If the matching is successful, it obtains the train sorting map information related to the target operating train 20, the related mobility authorization information, and the association according to the feature identification of the target operating train. If the lock information fails, the target train 20 is handed over to at least one first registration node 103, so that the target train 20 enters the registration process. At least one registration node realizes the registration and deregistration management of the running train.
  • the automatic train protection method may further include: storing the operating status of each registered area controller computing node through at least one registered node; and running for the target from the at least one registered area controller computing node
  • the step of selecting an area controller computing node for the train includes: selecting an area controller computing node for the target train according to the stored operating status of each registered area controller computing node, so that each registered area The controller compute node realizes load balancing.
  • the train operation management method may further include: registering each regional controller computing node 101 through the at least one first registration node 103; then selecting one regional controller computing node for the target train 20 Step 101 includes: searching for at least one registered area controller computing node 101 from at least one registered node 103, and selecting an area controller computing node for the target train 20 from at least one registered area controller computing node 101 Node 101.
  • the automatic train protection method may further include: storing train sorting map information through the operation data management subsystem 104.
  • the train sorting map information includes the train sorting map corresponding to the running line and the real-time corresponding to each running train 20.
  • the train ordering map indicates the position ordering of the running trains 20 in the running route; after the movement authorization request is sent to the selected area controller computing node 101, it further includes: calculating by the selected area controller
  • the node 101 sends the location information of the target operating train 20 and the feature identification of the target operating train 20 to the operating data management subsystem 104; the operating data management subsystem 104 sends to the operating data management subsystem 104 according to the location information of the targeted operating train 20 and the feature identification of the target operating train 20
  • the area controller computing node 101 provides a train ranking map and historical movement authorization related to the target train 20.
  • the specific implementation manner of storing the train sorting map information through the operation data management subsystem 104 may be to store the train sorting maps corresponding to the running lines through at least two first databases 1043, and through at least two second databases 1044 stores the real-time and historical movement authorization corresponding to the running train 20.
  • the train operation management method may further include: storing interlocking information through the interlocking information processing subsystem 105, where the interlocking information includes state information of all interlocking elements of all connected interlocking systems 30; then
  • the step of obtaining interlocking information includes: sending an interlocking information obtaining request to the interlocking information processing subsystem 105 through the selected area controller computing node 101, and the interlocking information obtaining request includes the position information of the target train 20;
  • the lock information processing subsystem 105 searches for the interlock information related to the location information of the target operating train 20, and sends the interlock information related to the location information of the target operating train 20 to the selected area controller computing node 101.
  • the specific implementation of storing the interlocking information through the interlocking information processing subsystem 105 may include: caching all the interlocking elements of the connected at least one interlocking system 30 through at least two interlocking information cache databases 1051 The status information; then through the interlock information processing subsystem 105 to find the interlock information related to the location information of the target train 20, and send the interlock information related to the location information of the target train 20 to the selected area
  • the specific implementation of the controller computing node 101 may include: receiving the interlocking information acquisition request through the interlocking information screening server 1052; searching for information related to the location information of the target operating train 20 in at least two interlocking information cache databases 1051 The status information and the occupancy status of the track area, and the status information related to the location information of the target running train 20 and the occupancy status of the track area are sent to the selected area controller computing node 101.
  • the train operation management method may further include: backing up the state information cached in the interlocking information cache database 1051 corresponding to the at least two interlocking information cache backup database 1051 and the occupancy of the track area; After the information screening server 1052 fails to communicate with any interlocking information cache database 1051, it searches the interlocking information cache backup database 1053 corresponding to the interlocking information cache database 1051 that failed to communicate with the location information of the target train 20 The status information and the occupancy of the track area.
  • the train operation management method may further include: backing up the interlocking information through the interlocking processing backup subsystem 106; after the selected area controller computing node 101 fails to communicate with the interlocking information processing subsystem 105, Send the interlock information acquisition request to the interlock processing backup subsystem 106; through the interlock processing backup subsystem 106, search for the interlock information related to the location information of the target train 20, and compare the information related to the location information of the target train 20 The interlocking information is sent to the selected area controller computing node 101.
  • Step 801 The two running trains 201 and 202 send a movement authorization request with train location to the load balancing server 800;
  • Step 802 The load balancing server 800 selects the corresponding regional controller computing node 101 for the movement authorization request with train location sent by the two running trains 201 and 202 according to the load situation of each regional controller computing node 101, wherein, The load balancing server 800 selects the area controller computing node 1011 for the movement authorization request with the train position of the running train 201, and selects the area controller computing node 1012 for the movement authorization request with the train position of the running train 202;
  • Step 803 The load balancing server 800 regularly sends the train positions of the two running trains 201 and 202 to the management node 109 in the cluster 108;
  • the management node 109 and each area controller computing node 101 exist in the form of a cluster 108.
  • a cluster it is convenient to manage the management node 109 and each regional controller computing node 101, and at the same time, the number of regional controller computing nodes 101 can be increased or decreased as needed.
  • the above step 803 is a relatively independent step, and there is no strict sequence between it and step 801 and step 802.
  • Step 804 the area controller computing node 1011 obtains the train ordering map and real-time and historical movement authorization related to the running train 201, and the area controller computing node 1012 obtains the train ordering map and the real-time and historical movement authorization related to the running train 202;
  • the train sorting map and real-time and historical movement authorization can be stored independently of the cluster 108.
  • the train sorting map and the real-time and historical movement authorization are stored in multiple databases in a distributed manner.
  • it can be The database storing the train sorting map sets the corresponding screening server, and sets the corresponding screening server for real-time and historical movement authorization. That is, the screening server corresponding to the train sequencing map searches for the required train sequencing map from the database storing the train sequencing map, and the screening server corresponding to the real-time and historical movement authorization searches for the required real-time from the database storing the real-time and historical movement authorizations.
  • Mobile authorization with history The communication relationship between the database and the screening server is described in detail in the above-mentioned automatic train protection system, and will not be repeated here.
  • Step 805 The management node 109 updates its stored train position according to the train positions of the two running trains 201 and 202;
  • step 804 and step 805 are relatively independent steps, and there is no strict sequence between them, and they do not affect each other.
  • Step 806 The management node 109 responds to the load balancing server 800 to exchange information with the load balancing server 800;
  • This step is mainly to determine that the management node communicates normally and has received information such as the train position of the running train, and updates the load balancing server 800 to all the area controller computing nodes 101 associated with the train calculation and the operation of these area controller computing nodes 101.
  • Status, the running status includes, for example, normal, suspended, offline, and faulty.
  • Step 807 The management node 109 obtains the train list, and splits the train list to obtain a partial list related to the running train 201 and a partial list related to the running train 202;
  • the management node 109 generates a time trigger event according to the train positions of the running trains 201 and 202 to determine the running list of the running trains.
  • Step 808 The management node 109 sends the partial list related to the running train 201 to the regional controller computing node 1011, and the management node 109 sends the partial list related to the running train 202 to the regional controller computing node 1012;
  • Step 809 The regional controller computing node 1011 generates a mobile authorization and updates the historical mobile authorization, and the regional controller computing node 1012 generates a mobile authorization and updates the historical mobile authorization;
  • the specific process of updating the historical mobile authorization in step 809 may be sending the generated mobile authorization to the database storing the historical mobile authorization for storage. This process is not shown in FIG. 11.
  • Step 810 The regional controller computing node 1011 sends the mobile authorization to the load balancing server 800, and the regional controller computing node 1012 sends the mobile authorization to the load balancing server 800;
  • Step 811 The load balancing server 800 sends the movement authorization related to the running train 201 to the running train 201, and sends the movement authorization related to the running train 202 to the running train 202.
  • each main body in the system such as the area controller computing node, the distribution unit/load balancing server, the registration node, the operation data management subsystem, the screening server, the interlocking information processing subsystem, etc.
  • An independent server can also be a virtual machine based on a cluster server.
  • these subjects may be physical subjects, or they may be physically located on a device, and logically divided into these subjects.
  • the distribution unit, the area controller computing node, the registration node, the operation data management subsystem, and the interlocking information processing subsystem in the above-mentioned automatic train protection system can be deployed on the cloud server.
  • the present invention also provides a computer-readable medium, which stores instructions for the load balancing server and at least two regional controller computing nodes, respectively, in combination to execute the automatic train protection method as described herein.
  • a system or device equipped with a storage medium can also be provided.
  • the storage medium stores software program codes for realizing the function of any one of the above-mentioned embodiments, and enables the computer (or CPU or MPU) of the system or device to Or MCU) reads and executes the program code stored in the storage medium.
  • the program code itself read from the storage medium can implement the function of any one of the above-mentioned embodiments, so the program code and the storage medium storing the program code constitute a part of the present invention.
  • Examples of storage media used to provide program codes include floppy disks, hard disks, magneto-optical disks, optical disks (such as CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), Magnetic tape, non-volatile memory card and ROM.
  • the program code can be downloaded from the server computer via a communication network.
  • the program code read from the storage medium is written to the memory set in the expansion board inserted into the computer or to the memory set in the expansion module connected to the computer, and then the program code is based on The instructions cause the CPU installed on the expansion board or the expansion module to perform part or all of the actual operations, so as to realize the function of any one of the above-mentioned embodiments.
  • system structure described in the foregoing embodiments may be a physical structure or a logical structure. That is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or may be implemented by multiple physical entities. Some components in independent devices are implemented together.
  • a hardware module may include a permanent dedicated circuit or logic (such as a dedicated processor, FPGA or ASIC) to complete the corresponding operation.
  • the hardware module may also include programmable logic or circuits (such as general-purpose processors or other programmable processors), which may be temporarily set by software to complete corresponding operations.
  • the specific implementation method mechanical method, or dedicated permanent circuit, or temporarily set circuit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

La présente invention concerne un système et un procédé de protection de trains automatiques. Le système de protection de trains automatique comprend : une unité d'affectation, reliée à des trains en fonctionnement et à des nœuds de calcul de dispositif de commande régional, configurée pour recevoir des demandes d'autorisation de déplacement transmises par les trains en fonctionnement, les demandes d'autorisation de déplacement comprenant des informations d'emplacement des trains en fonctionnement, des informations de fonctionnement des trains en fonctionnement, et des identifiants de caractéristiques des trains en fonctionnement, pour sélectionner des nœuds de calcul de dispositif de commande régional pour les demandes d'autorisation de déplacement, et pour transmettre les demandes d'autorisation de déplacement aux nœuds de calcul de dispositif de commande régional sélectionnés. Les nœuds de calcul de dispositif de commande de zone sont configurés, quand ils sont sélectionnés, pour acquérir des informations de carte de triage de trains, des informations d'autorisation de déplacement d'autres trains et des informations de verrouillage sur la base des informations d'emplacement et des identifiants de caractéristiques, et pour générer des autorisations de déplacement cibles. L'unité d'affectation est en outre configurée pour transmettre les autorisations de déplacement cibles aux trains en fonctionnement. La présente solution met en œuvre la gestion unifiée des trains en fonctionnement.
PCT/CN2020/118547 2019-09-30 2020-09-28 Système et procédé de protection de trains automatiques WO2021063325A1 (fr)

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