CN110843863B - Fixed block train tracking control method and system under mobile block system - Google Patents
Fixed block train tracking control method and system under mobile block system Download PDFInfo
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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
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Abstract
The embodiment of the invention provides a fixed block train tracking control method and a fixed block train tracking control system under a mobile block system, wherein the method is a train tracking control method capable of supporting the simultaneous mixing of the mobile block system and the fixed block system, the driving safety of a train is guaranteed, and the line operation efficiency is improved. In addition, the method does not need manual intervention at all, and trains with the number less than or equal to the configuration number can be controlled to pass through the special line area. In addition, the method is flexible to use, can be suitable for different operation scenes, and has universal applicability.
Description
Technical Field
The invention relates to the technical field of urban rail transit control, in particular to a fixed block train tracking control method and a fixed block train tracking control system under a mobile block system.
Background
A Communication Based Train automatic Control System (CBTC) is a mobile block System Based on wireless Communication. At present, a CBTC is designed with a point type backup mode, when signal equipment in the CBTC is normal, no human intervention exists, and the control mode of the CBTC is kept unchanged. When a Train side Train Automatic Control system (ATC) or Train-ground wireless communication fails, the Train detects the occupation of the Train through axle counting equipment, and all lines are degraded into a point type backup mode.
In the operation process of the CBTC, there is a case that the train tracking cannot be performed according to the mobile block system due to human, natural, or unexpected reasons on the train operation line. Some train operation lines cannot track trains according to a mobile blocking system, the trains need to be tracked according to a fixed blocking system, and other train operation lines still track the trains according to the mobile blocking system. A mobile blocking system and a fixed blocking system exist in a train operation line at the same time, and therefore the requirement for realizing train tracking with the hybrid mobile blocking system and fixed blocking system is provided. Moreover, if meeting bridge bearing restriction, the turnout prevents that special line areas such as crowded switch have the driving demand that needs control train quantity.
In the prior art, when signal equipment in a CBTC is normal, a train tracking that a mobile block system and a fixed block system are mixed cannot be well supported, and thus a train tracking requirement that the mobile block system and the fixed block system are mixed cannot be supported at the same time, which results in low line operation efficiency. In addition, under the moving block system of the CBTC, the number of trains in a special line area can be controlled only by a driver manually observing the conditions of the line in front of the trains.
Disclosure of Invention
To overcome the above problems or at least partially solve the above problems, embodiments of the present invention provide a method and a system for train tracking control in a fixed block system in a mobile block system.
In a first aspect, an embodiment of the present invention provides a fixed block train tracking control method in a mobile block system, including:
searching all paths which are possible to run by the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train, and determining a blocking subarea which the target train is possible to enter;
and if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number, extending the movement authorization calculated for the target train into the block subarea.
Preferably, the fixed block train tracking control method in the mobile block system further includes:
determining a fixed block protection zone based on a fixed block zone list in a zone controller ZC jurisdiction range;
and the fixed block area list is internally stored with a logic section number corresponding to the logic section for forming the fixed block protection area.
Preferably, the determining of the fixed blocking zone based on a fixed blocking zone list in the jurisdiction of the zone controller ZC specifically includes:
judging whether the logic section number belongs to the fixed block area list or not for the logic section number corresponding to each logic section in the ZC jurisdiction range;
and determining the fixed block protection area based on all the logic sections corresponding to the logic section numbers belonging to the fixed block area list.
Preferably, the fixed block area list is determined by an automatic train monitoring system ATS based on a preset line operation plan.
Preferably, the fixed block train tracking control method in the mobile block system further includes:
and if the blocking subarea is judged and known to be located in a fixed blocking protection area and the number of trains which is greater than or equal to the configuration number exists in the blocking subarea, the movement authorization calculated for the target train cannot extend into the blocking subarea.
Preferably, if the block zone is determined to be in a fixed block protection zone, and after the target train enters the block zone, the movement authorization is continuously calculated for the target train.
Preferably, the fixed block train tracking control method in the mobile block system further includes:
and if the communication train is judged to be in the fixed block protection area and the position of a certain communication train is overlapped with the block area, determining that the communication train is the communication train in the block area, and continuously calculating the movement authorization for the communication train.
In a second aspect, an embodiment of the present invention provides a fixed block train tracking control system in a mobile block system, including:
the block zone determining module is used for searching all possible paths of the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train and determining a block zone which the target train can enter;
and the mobile authorization calculation module is used for extending the mobile authorization calculated for the target train into the block subarea if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number.
In a third aspect, an embodiment of the present invention provides an electronic device, including: the present invention relates to a method for train tracking control in a mobile occlusion system, and more particularly to a method for train tracking control in a mobile occlusion system, which method comprises the steps of a memory, a processor, and a computer program stored in the memory and operable on the processor.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the fixed-block train tracking control method in the moving-block system according to the first aspect.
The embodiment of the invention provides a fixed block train tracking control method and a fixed block train tracking control system under a mobile block system. In addition, the method does not need manual intervention at all, and trains with the number less than or equal to the configuration number can be controlled to pass through the special line area. In addition, the method is flexible to use, can be suitable for different operation scenes, and has universal applicability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a fixed block train tracking control method in a mobile block system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fixed block train tracking control system in a mobile block system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, an embodiment of the present invention provides a method for tracking and controlling a fixed block train in a mobile block system, including:
s1, searching all possible paths of the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train, and determining a blocking subarea which the target train can enter;
and S2, if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number, extending the movement authorization calculated for the target train into the block subarea.
Specifically, in the fixed block train tracking control method in the mobile block system provided in the embodiment of the present invention, an execution main body is a Zone Controller (ZC).
First, the ZC performs step S1 and current location information of the target train may be determined by a location system of the target train. The running direction of the target train can be determined by the position information of the front time point and the rear time point determined by the positioning system of the target train. The ZC can determine the current line where the target train is located according to the current position information of the target train, search all paths where the target train may run on the current line where the target train is located along the running direction of the target train, and determine the block subareas contained in each path, namely determine the block subareas where the target train may enter.
Then, the ZC executes step S2 to determine whether the block subarea that the target train can enter is in the fixed block protection area, namely, for each block subarea i that the target train can enter (i is more than or equal to 1 and less than or equal to n, and n is the total number of the block subareas that the target train can enter), determine whether the block subarea i is in the fixed block protection area. The fixed block zone is a zone that the ZC has previously established in the jurisdiction for train tracking in a fixed block format. In the embodiment of the invention, the fixed block protection area can be established in a special line area such as a bridge or a turnout with bearing limit for preventing turnout extrusion.
And if the judgment result is that whether the block partition i is in the fixed block protection area or not and the number of trains smaller than the configured number exists in the block partition i, extending the movement authorization calculated for the target train into the block partition. The configuration number refers to the maximum number of trains allowed to be carried in the fixed block protection area, and is determined in the engineering application stage, namely, when the fixed block protection area is established. The configuration number may be stored locally by the ZC according to engineering requirements, or may be determined by the ATS according to a preset line operation plan and transmitted to the ZC.
The train that may be carried within the fixed occlusion protected area may include: the communication train refers to a train connected with the ZC in communication, and the non-communication train refers to a train not connected with the ZC in communication, namely a hidden train. The calculated movement authority for the target train extending into the block zone means that the ZC allows the target train to move into the block zone.
The fixed block train tracking control method in the mobile block system provided by the embodiment of the invention is a train tracking control method capable of supporting the simultaneous mixing of the mobile block system and the fixed block system, ensures the driving safety of a train and improves the line operation efficiency. In addition, the method does not need manual intervention at all, and trains with the number less than or equal to the configuration number can be controlled to pass through the special line area. In addition, the method is flexible to use, can be suitable for different operation scenes, and has universal applicability.
On the basis of the above embodiment, the method for controlling tracking of a fixed block train in a mobile block system according to an embodiment of the present invention further includes:
determining a fixed block protection zone based on a fixed block zone list in a zone controller ZC jurisdiction range;
and the fixed block area list is internally stored with a logic section number corresponding to the logic section for forming the fixed block protection area.
Specifically, in the embodiment of the present invention, when determining the fixed blocking zone, the ZC may specifically determine according to a fixed blocking zone list in the ZC jurisdiction. The fixed block area list stores the logic section number corresponding to the logic section for forming the fixed block protection area. The fixed block area list may be stored locally by the ZC according to engineering requirements, or may be determined by the ATS according to a preset line operation plan and transmitted to the ZC.
In the embodiment of the invention, a specific determination method of a fixed block protection area under a mobile block system is provided, and a fixed block area list is specifically applied, so that the technical defect that the train tracking control cannot be carried out through the mobile block system and the fixed block system at the same time in the prior art is overcome.
On the basis of the foregoing embodiment, the method for controlling tracking of a fixed block train in a mobile block system according to an embodiment of the present invention determines a fixed block zone based on a fixed block zone list in a jurisdiction of a zone controller ZC, and specifically includes:
judging whether the logic section number belongs to the fixed block area list or not for the logic section number corresponding to each logic section in the ZC jurisdiction range;
and determining the fixed block protection area based on all the logic sections corresponding to the logic section numbers belonging to the fixed block area list.
Specifically, in the embodiment of the present invention, the fixed block area list stores the logical section number corresponding to the logical section used for forming the fixed block protection area. Therefore, not all logical zone numbers corresponding to logical zones in the ZC jurisdiction are stored in the fixed block area list. Therefore, in the embodiment of the invention, starting from each logic zone in the ZC administration range, whether the logic zone number corresponding to the logic zone is in the fixed block area list or not is judged. And determining the fixed block protection area by taking the two logic areas with the farthest distance as the boundary for all the logic areas corresponding to the logic area numbers belonging to the fixed block area list.
On the basis of the above embodiment, the method for controlling tracking of a fixed block train in a mobile block system according to an embodiment of the present invention further includes:
and if the blocking subarea is judged and known to be located in a fixed blocking protection area and the number of trains which is greater than or equal to the configuration number exists in the blocking subarea, the movement authorization calculated for the target train cannot extend into the blocking subarea.
Specifically, in the embodiment of the present invention, if the block zone i is in the fixed block protection zone and there are trains in the block zone i that are greater than or equal to the configured number, it is determined that no other train can be carried in the block zone i, so the moving grant calculated for the train at this time cannot extend into the block zone i, that is, the ZC does not allow the train to enter the block zone i.
The fixed block train tracking control method under the mobile block system provided by the embodiment of the invention completely does not need manual intervention, can control trains which cannot pass through a special line area simultaneously and are larger than the configured number, and ensures the safe operation of the trains in the special line area.
On the basis of the above embodiment, in the fixed block train tracking control method in the mobile block system provided in the embodiment of the present invention, if it is determined that the block partition is located in the fixed block protection area, and after the target train enters the block partition, the mobile authorization continues to be calculated for the target train.
Specifically, in the embodiment of the present invention, if the block zone i is located in the fixed block protection zone, after the train enters the block zone i, the ZC continues to calculate and send normal movement authorization for the train. And for the next train which is about to enter the block subarea i, judging the number of the trains borne in the block subarea i at the moment by the ZC, and if the number of the borne trains reaches or exceeds the configuration number, the movement authorization calculated by the ZC for the next train cannot extend into the block subarea i.
On the basis of the above embodiment, the method for controlling tracking of a fixed block train in a mobile block system according to an embodiment of the present invention further includes:
and if the communication train is judged to be in the fixed block protection area and the position of a certain communication train is overlapped with the block area, determining that the communication train is the communication train in the block area, and continuously calculating the movement authorization for the communication train.
Specifically, in the embodiment of the present invention, if the block zone i is located in the fixed block protection area and there is an overlapping portion between the location of a certain communication train and the block zone i, it is determined that the communication train is a communication train in the block zone i, and the mobile authorization continues to be calculated for the communication train.
On the basis of the above embodiment, in the fixed block train tracking control method in the mobile block system provided in the embodiment of the present invention, the fixed block area list is continuously valid until the ATS cancels the fixed block area list manually.
For example, the platform area is a fixed block protection area, and the maximum train number for limiting train passage in the platform area is configured to be 1. If other trains exist in the platform area, the movement authorization of the follow-up tracking train cannot extend into the platform area, so that one fixed block protection area only enters one train, and the tracking control of one train is realized.
As shown in fig. 2, on the basis of the above embodiment, an embodiment of the present invention provides a fixed block train tracking control system in a mobile block system, including: a block partition determination module 21 and a mobile authorization calculation module 22. Wherein the content of the first and second substances,
the block zone determining module 21 is configured to search all possible paths of the target train along the running direction on the current route where the target train is located based on the running direction and the current position information of the target train, and determine a block zone into which the target train may enter;
and the mobile authorization calculation module 22 is configured to extend the mobile authorization calculated for the target train into the block section if it is determined that the block section is located in the fixed block protection area and there are trains in the block section, which are smaller than the configured number of trains.
Specifically, the functions of the modules in the fixed block train tracking control system in the mobile block system provided in the embodiment of the present invention correspond to the operation flows of the steps in the above method embodiments one to one, and the implementation effect is also consistent, which is not described again in the embodiment of the present invention.
As shown in fig. 3, on the basis of the above embodiment, an embodiment of the present invention provides an electronic device, including: a processor (processor)301, a memory (memory)302, a communication Interface (Communications Interface)303, and a bus 304; wherein the content of the first and second substances,
the processor 301, the memory 302 and the communication interface 303 complete communication with each other through the bus 304. The memory 302 stores program instructions executable by the processor 301, and the processor 301 is configured to call the program instructions in the memory 302 to perform the methods provided by the above-mentioned method embodiments, for example, including: searching all paths which are possible to run by the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train, and determining a blocking subarea which the target train is possible to enter; and if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number, extending the movement authorization calculated for the target train into the block subarea.
The logic instructions in memory 302 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone article of manufacture. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
On the basis of the foregoing embodiments, an embodiment of the present invention provides a non-transitory computer-readable storage medium storing computer instructions, which cause the computer to execute the method provided by the foregoing method embodiments, for example, including: searching all paths which are possible to run by the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train, and determining a blocking subarea which the target train is possible to enter; and if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number, extending the movement authorization calculated for the target train into the block subarea.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A fixed block train tracking control method under a mobile block system is characterized by comprising the following steps:
searching all paths which are possible to run by the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train, and determining a blocking subarea which the target train is possible to enter;
if the block subarea is judged and known to be in a fixed block protection area and the block subareas have trains with the number less than the configured number, the movement authorization calculated for the target train extends into the block subarea;
determining a fixed block protection zone based on a fixed block zone list in a zone controller ZC jurisdiction range;
wherein, a logic section number corresponding to a logic section for forming the fixed block protection area is stored in the fixed block area list;
the determining of the fixed block protection zone based on a fixed block zone list in the jurisdiction range of the zone controller ZC specifically includes:
judging whether the logic section number belongs to the fixed block area list or not for the logic section number corresponding to each logic section in the ZC jurisdiction range;
and determining the fixed block protection area based on all the logic sections corresponding to the logic section numbers belonging to the fixed block area list.
2. The method for controlling train tracking in a fixed block mode according to claim 1, wherein the list of fixed block areas is determined by an automatic train monitoring system (ATS) based on a preset route operation plan.
3. The fixed block train tracking control method under the mobile block system according to any one of claims 1 to 2, further comprising:
and if the blocking subarea is judged and known to be located in a fixed blocking protection area and the number of trains which is greater than or equal to the configuration number exists in the blocking subarea, the movement authorization calculated for the target train cannot extend into the blocking subarea.
4. The fixed block train tracking control method under the mobile block system according to any one of claims 1 to 2, wherein if it is determined that the block partition is in a fixed block protection area, and after the target train enters the block partition, the mobile authorization continues to be calculated for the target train.
5. The fixed block train tracking control method under the mobile block system according to any one of claims 1 to 2, further comprising:
and if the communication train is judged to be in the fixed block protection area and the position of a certain communication train is overlapped with the block area, determining that the communication train is the communication train in the block area, and continuously calculating the movement authorization for the communication train.
6. A fixed block train tracking control system under a mobile block system is characterized by comprising:
the block zone determining module is used for searching all possible paths of the target train along the running direction on the current line where the target train is located based on the running direction and the current position information of the target train and determining a block zone which the target train can enter;
the mobile authorization calculation module is used for calculating mobile authorization for the target train to extend into the block subarea if the block subarea is judged and known to be located in a fixed block protection area and the block subareas have trains with the number less than the configured number;
determining a fixed block protection zone based on a fixed block zone list in a zone controller ZC jurisdiction range;
wherein, a logic section number corresponding to a logic section for forming the fixed block protection area is stored in the fixed block area list;
the determining of the fixed block protection zone based on a fixed block zone list in the jurisdiction range of the zone controller ZC specifically includes:
judging whether the logic section number belongs to the fixed block area list or not for the logic section number corresponding to each logic section in the ZC jurisdiction range;
and determining the fixed block protection area based on all the logic sections corresponding to the logic section numbers belonging to the fixed block area list.
7. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the program, implements the steps of the fixed occlusion train tracking control method in the mobile occlusion regime according to any one of claims 1 to 5.
8. A non-transitory computer-readable storage medium, on which a computer program is stored, wherein the computer program, when being executed by a processor, implements the steps of the fixed occlusion train tracking control method in the mobile occlusion mode according to any one of claims 1 to 5.
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| CN113928382A (en) * | 2021-11-16 | 2022-01-14 | 交控科技股份有限公司 | Operation control method and device for urban railway train |
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