CN112434038A - Train cross-route searching method, system, electronic equipment and storage medium - Google Patents
Train cross-route searching method, system, electronic equipment and storage medium Download PDFInfo
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/22—Indexing; Data structures therefor; Storage structures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The embodiment of the invention provides a train cross-route searching method, a train cross-route searching system, electronic equipment and a storage medium, wherein the method comprises the following steps: performing distributed storage on all lines of the electronic map according to different lines; when the train has cross-line operation, determining the current line number and the next line number of the train; and searching a storage space corresponding to the corresponding line number in the electronic map according to the current line number and the next line number of the train. The embodiment of the invention stores the data information of each line in different storage spaces in a distributed manner, and directly locates the storage spaces of the current line number and the next line number according to the determined current line number and the next line number of the train during searching.
Description
Technical Field
The invention relates to the technical field of railway traffic, in particular to a train cross-route searching method, a train cross-route searching system, electronic equipment and a storage medium.
Background
In the urban rail transit CBTC system, the vehicle-mounted equipment has the function of train positioning, and positioning and position correction are carried out by adopting a prestored electronic map and a ground responder. The vehicle-mounted device determines the current position of the train according to the mounting position of the transponder in the electronic map by receiving the information of the ground transponder, reports the current position to the ground device and waits for the movement authorization.
The core function of the vehicle-mounted equipment is to search the line in the electronic map according to the current line of the train. In the case of multi-line operation, the vehicle needs to store electronic maps of all possible operating lines.
At present, the storage mode of the electronic map is that all lines operated in multi-line mode and corresponding ground equipment elements are stored in the same storage space, when searching for the designated line, the whole storage space needs to be traversed, and the searching efficiency is low.
Disclosure of Invention
The embodiment of the invention provides a train cross-line route searching method, a train cross-line route searching system, electronic equipment and a storage medium, which are used for solving the defect of low blind searching efficiency in the prior art and improving the searching efficiency of a line and related data.
According to a first aspect of an embodiment of the present invention, a train route crossing search method is provided, including:
s1, performing distributed storage on the electronic map according to different lines, wherein each line occupies different storage space;
s2, when the train has the cross-line operation, determining the current line number and the next line number of the train;
and S3, searching a corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
On the basis of the above technical solutions, the embodiments of the present invention may be further improved as follows.
Optionally, the performing distributed storage on the electronic map according to each line according to the difference of the line includes:
and corresponding each line with the corresponding ground equipment element, and classifying and storing the ground equipment elements according to different types, wherein each line occupies different storage spaces.
Optionally, when the train operates across lines, a plurality of first transponders are installed on a first section of line of a connecting line between a first line and a second line, the first section of line belongs to the first line, an installation line number of the first transponder is the first line, and an installation line number of the first transponder is the second line;
and installing a plurality of second transponders on a second section of line of the connecting line, wherein the second section of line belongs to the second line, the installation line number of the second transponders is the second line, and the line number of the second transponders is the first line.
Optionally, when the train has the cross-line operation, determining the current line number and the next line number where the train is located includes:
when the train is not positioned and the message of the responder is received, judging whether the responder is the first responder or the second responder;
if the responder is not the first responder or the second responder, setting the line number to which the responder belongs as the current line number of the train;
and if the responder is the first responder or the second responder, setting the installation line number of the first responder or the second responder as the current line number of the train, and setting the line number to which the first responder or the second responder belongs as the next line number of the train.
Optionally, when the train has the cross-line operation, determining the current line number and the next line number where the train is located includes:
and after the train is positioned to the current line number, acquiring the message of the last responder in the mobile authorization range in real time, and if the responder is the first responder or the second responder, setting the line number to which the responder belongs as the next line number of the train.
Optionally, when the train has the cross-line operation, determining the current line number and the next line number where the train is located includes:
and when the line number to which the maximum safe front end of the train belongs and the line number to which the minimum safe rear end belongs are changed from inconsistency to consistency, setting the line number to which the maximum safe front end of the train belongs as the current line number of the train.
According to a second aspect of the embodiments of the present invention, there is provided a train route crossing search system, including:
the storage module is used for storing the electronic map in a distributed manner according to different lines, wherein each line occupies different storage spaces;
the determining module is used for determining the current line number and the next line number of the train when the train has cross-line operation;
and the searching module is used for searching the corresponding storage space in the electronic map according to the current line number and the next line number of the train and extracting the data information corresponding to the line number from the corresponding storage space.
According to a third aspect of the embodiments of the present invention, there is provided an electronic device, including a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the processor executes the program to implement the steps of the train route crossing searching method according to any one of the above.
According to a fourth aspect of embodiments of the present invention, there is provided a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the train route crossing searching method as described in any one of the above.
According to the train route-crossing searching method, the train route-crossing searching system, the electronic device and the storage medium, data information of each route is stored in different storage spaces in a distributed mode, when a train runs in a line-crossing mode during searching, the current route number and the next route number of the train are determined in a certain mode, the storage spaces of the current route number and the next route number are directly located according to the determined current route number and the determined next route number of the train, compared with the traditional searching method, the whole storage space needs to be traversed, and the route searching efficiency can be improved.
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 flowchart of a train route crossing searching method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a train crossing scene;
FIG. 3 is a schematic diagram of a tie line boundary arrangement;
fig. 4 is a schematic structural diagram of a train route crossing search system according to an embodiment of the present invention;
fig. 5 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.
Referring to fig. 1, a train route crossing searching method according to an embodiment of the present invention is provided, and the method includes: s1, performing distributed storage on the electronic map according to different lines, wherein each line occupies different storage space; s2, when the train has the cross-line operation, determining the current line number and the next line number of the train; and S3, searching a corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
Based on the background technology, the embodiment of the invention provides a method for storing all lines in a distributed manner, namely, the related data of each line is independently stored and occupies different storage spaces when all lines are stored during the cross-line operation of a train. When the train has the cross-line operation, the current line number and the next line number of the train are determined in a certain mode, wherein the current line number of the train refers to the line number of the train in the current operation, and the next line number of the train refers to the target line number of the train to be in the cross-line operation. And searching a storage space corresponding to the corresponding line number in the electronic map stored in a distributed manner in a targeted manner according to the current line number of the train and the next line number of the overline, and extracting data information of the corresponding line in the storage space. The data information of each line number comprises information such as a transponder, a ground equipment element and the like.
In the embodiment of the invention, the data information of each line is stored in different storage spaces in a distributed manner, and the storage spaces of the current line number and the next line number are directly positioned according to the determined current line number and the next line number of the train during searching.
As a possible implementation, the storing the electronic map in a distributed manner according to different lines includes: and corresponding each line with the corresponding ground equipment element, and classifying and storing the ground equipment elements according to different types, wherein each line occupies different storage spaces.
It can be understood that the electronic map is distributed and stored according to different lines, the vehicle-mounted device only searches for a single line or two lines (namely, during line crossing) in the operation process, and the line where the vehicle-mounted device is located and the next line which may cross the line are adjusted in real time according to different operation positions.
During specific storage, firstly, a data storage structure needs to be formatted, the same ground equipment elements are sequentially organized according to a certain structured form, secondly, various ground elements are structurally organized again according to the line numbers of the ground equipment elements, and finally, data of different lines are structured into a final full-line electronic map.
As a possible implementation manner, when a train operates in a cross-line mode, a plurality of first transponders are installed on a first section of a connecting line of a first line and a second line, the first section of the line belongs to the first line, the installation line number of the first transponder is the first line, and the belonging line number is the second line; and installing a plurality of second transponders on a second section of line of the connecting line, wherein the second section of line belongs to the second line, the installation line number of the second transponders is the second line, and the line number of the second transponders is the first line.
It can be understood that the embodiment of the invention is carried out on the basis of the urban rail transit protocol on the basis of CBTC interconnection and intercommunication specifications. In fig. 2 there are two operational lines, line a and line B, train B002 is traveling over-the-wire from line B to line a, with tie line connection line B and line a between line B and line a. The first half of the tie line (first-stage line) belongs to line B, and the second half of the tie line (second-stage line) belongs to line a. In accordance with the interconnection specification, the arrangement of the interconnections between the lines of different manufacturers is generally shown in fig. 3 (which is an enlarged version of the diagonal interconnections of the B002 vehicle shown in fig. 2). Wherein the line B is arranged with transponders FBA01 and VBA02, and both transponders are controlled by the land equipment of the line a, so that both transponders belong to the line a, i.e. the transponders FBA01 and VBA02 have an installation line number line B, which is line number a. Similarly, line a has transponders FBB01 and VBB02 arranged thereon, and the line to which these transponders belong is line B, i.e., the installed line numbers of transponders FBB01 and VBB02 are a and the line number to which they belong is B.
As a possible implementation, when there is a train in a cross-track operation, determining the current line number and the next line number where the train is located includes: when the train is not positioned and the message of the responder is received, judging whether the responder is the first responder or the second responder; if the responder is not the first responder or the second responder, setting the line number to which the responder belongs as the current line number of the train; and if the responder is a first responder or a second responder, setting the installation line number of the first responder or the second responder as the current line number of the train, and setting the line number to which the first responder or the second responder belongs as the next line number of the train.
It can be understood that when the train is not positioned, that is, the train is not positioned by the transponder before, and at this time, when the message of the transponder is received, it is determined whether the transponder is a normal transponder or a special transponder, where the normal transponder is a transponder not located on the connecting line of the two lines, that is, a transponder whose installation line number is consistent with the line number to which it belongs; the special transponder is the first transponder or the second transponder, the first transponder and the second transponder are located on a connecting line of the two lines, and the installation line numbers of the first transponder and the second transponder are inconsistent with the line numbers of the first transponder and the second transponder.
If the transponder is a common transponder, the transponder indicates that the train does not run across the line at the moment, and the line number (which can also be an installation line number) to which the transponder belongs is set as the current line number of the train. If the responder is the first responder or the second responder, the train is indicated to be operated in a cross-line mode at the moment, the installation line number of the responder is set as the current line number of the train, and the line number to which the responder belongs is set as the next line number of the train.
When the train is positioned to the current line number, only the next line number of the train needs to be determined, specifically, the information of the last responder in the mobile authorization range is obtained in real time, and if the responder is a first responder or a second responder, the line number to which the responder belongs is set as the next line number of the train; if the transponder is not the first transponder or the second transponder, no processing is used.
When the train runs in an overline mode, when the line number of the maximum safe front end of the train is inconsistent with the line number of the minimum safe rear end of the train, the line number of the maximum safe front end of the train is set as the current line number of the train. When the train runs on the connecting line, the line number to which the maximum safe front end of the train belongs is inconsistent with the line number to which the minimum safe rear end of the train belongs; when the train passes through the connecting line, the line number to which the maximum safety front end of the train belongs and the line number to which the minimum safety rear end of the train belongs become consistent, the fact that the train has already finished running across the line and becomes a situation of running on a single line is indicated, the line number to which the maximum safety front end of the train belongs is set as the current line number, and the next line number is cleared. And in each period, the number of the line to which the maximum safe front end in the period belongs is set as the number of the line to which the maximum safe front end in the previous period belongs, and the number of the line to which the minimum safe front end in the period belongs is set as the number of the line to which the minimum safe front end in the previous period belongs
In several cases, the implementation code for determining the current line number and the next line number of the train is as follows:
a number of scenarios in which a train crosses from route B to route a are described below with respect to fig. 2 and 3.
(a) Before the train does not pass through the line B in a positioning mode and does not reach the tie line, when the train passes through a common transponder (the transponder is located on the line B but not located on the tie line), the vehicle-mounted equipment can acquire that the transponder belongs to the line B, and therefore the current line number of the train can be set to be the line B.
(b) The train does not have the location and passes through the FBA01 or VBA02 transponder on the connecting line, the vehicle-mounted equipment can acquire that the two transponders belong to the line A, the line is arranged to be B, the vehicle-mounted equipment can judge that the current line of the train is set to be the line B, and the number of the next line is set to be A.
(c) When a train has a location to reach the boundary of the link, the transponder before the link boundary is VBB 02. However, at this time, the vehicle-mounted device has already established the location, and it is necessary to know that the current line is line B, so that only the next line number needs to be set as a.
(d) When the vehicle-mounted equipment judges that the line number to which the maximum safety front end of the train belongs is not consistent with the line number to which the minimum safety rear end belongs, the current line number needs to be set as the line number to which the maximum safety front end belongs, the next line number is emptied, and at the moment, the train line crossing process is finished and the single-line operation is changed to the single-line operation on the line A.
When the train has the cross-line operation, the current line number and the next line number to be crossed of the train are determined, the determination of the current line number and the next line number of the train during the cross-line operation of the train is solved, the search is pertinently carried out in the electronic map stored in a distributed mode according to the current line number and the next line number of the train, and the search efficiency is higher.
Referring to fig. 4, there is provided a train route crossing search system, including:
the storage module 41 is configured to perform distributed storage on the electronic map according to different lines, where each line occupies a different storage space;
the determining module 42 is configured to determine a current line number and a next line number of the train when the train has cross-line operation;
and the searching module 43 is configured to search a corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extract data information corresponding to the line number from the corresponding storage space.
The train route crossing search system provided by the embodiment of the invention corresponds to the train route crossing search method provided by each embodiment, and the relevant technical characteristics of the train route crossing search system can refer to the relevant technical characteristics of the train route crossing search method provided by each embodiment, and are not described herein again.
Fig. 5 illustrates a physical structure diagram of an electronic device, which may include, as shown in fig. 5: a processor (processor)510, a communication Interface (Communications Interface)520, a memory (memory)530 and a communication bus 540, wherein the processor 510, the communication Interface 520 and the memory 530 communicate with each other via the communication bus 540. Processor 510 may invoke logic instructions in memory 530 to perform a train cross route search method comprising: according to different lines, the electronic map is stored in a distributed mode according to each line, wherein each line occupies different storage space; when the train has cross-line operation, determining the current line number and the next line number of the train; and searching corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
Furthermore, the logic instructions in the memory 530 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. 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: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, an embodiment of the present invention further provides a computer program product, where the computer program product includes a computer program stored on a non-transitory computer-readable storage medium, the computer program includes program instructions, and when the program instructions are executed by a computer, the computer is capable of executing the train route crossing search method provided by the above-mentioned method embodiments, the method includes: according to different lines, the electronic map is stored in a distributed mode according to each line, wherein each line occupies different storage space; when the train has cross-line operation, determining the current line number and the next line number of the train; and searching corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
In still another aspect, an embodiment of the present invention further provides a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented by a processor to perform the train route crossing searching method provided in the foregoing embodiments, and the method includes: according to different lines, the electronic map is stored in a distributed mode according to each line, wherein each line occupies different storage space; when the train has cross-line operation, determining the current line number and the next line number of the train; and searching corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
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.
According to the train route-crossing searching method, system, electronic device and storage medium provided by the embodiment of the invention, when all lines are stored, each line is stored in a distributed mode, namely, related data of each line are independently stored, and different storage spaces are occupied. When the train has the cross-line operation, the current line number and the next line number of the train are determined in a certain mode, wherein the current line number of the train refers to the line number of the train in the current operation, and the next line number of the train refers to the target line number of the train to be in the cross-line operation. According to the current line number of the train and the next line number of the overline, the storage space of the current line number and the next line number is directly located, compared with the traditional search, the whole storage space needs to be traversed, and the line search efficiency can be improved.
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 (9)
1. A train route-crossing searching method is characterized by comprising the following steps:
according to different lines, the electronic map is stored in a distributed mode according to each line, wherein each line occupies different storage space;
when the train has cross-line operation, determining the current line number and the next line number of the train;
and searching corresponding storage space in the electronic map according to the current line number and the next line number of the train, and extracting data information corresponding to the line number from the corresponding storage space.
2. The method of claim 1, wherein the distributively storing the electronic map according to the different lines comprises:
and corresponding each line with the corresponding ground equipment element, and classifying and storing the ground equipment elements according to different types, wherein each line occupies different storage spaces.
3. The method according to claim 1, wherein when the train operates over-the-wire, a plurality of first transponders are installed on a first segment line of a junctor of a first line and a second line, the first segment line belonging to the first line, the installed line number of the first transponder being the first line, and the belonging line number being the second line;
and installing a plurality of second transponders on a second section of line of the connecting line, wherein the second section of line belongs to the second line, the installation line number of the second transponders is the second line, and the line number of the second transponders is the first line.
4. The method of claim 3, wherein determining the current line number and the next line number where the train is located when the train has a cross-line operation comprises:
when the train is not positioned and the message of the responder is received, judging whether the responder is the first responder or the second responder;
if the responder is not the first responder or the second responder, setting the line number to which the responder belongs as the current line number of the train;
and if the responder is the first responder or the second responder, setting the installation line number of the first responder or the second responder as the current line number of the train, and setting the line number to which the first responder or the second responder belongs as the next line number of the train.
5. The method of claim 3, wherein determining the current line number and the next line number where the train is located when the train has a cross-line operation comprises:
and after the train is positioned to the current line number, acquiring the message of the last responder in the mobile authorization range in real time, and if the responder is the first responder or the second responder, setting the line number to which the responder belongs as the next line number of the train.
6. The method of claim 3, wherein determining the current line number and the next line number where the train is located when the train has a cross-line operation comprises:
and when the line number to which the maximum safe front end of the train belongs and the line number to which the minimum safe rear end belongs are changed from inconsistency to consistency, setting the line number to which the maximum safe front end of the train belongs as the current line number of the train.
7. A train route-crossing search system, comprising:
the storage module is used for storing the electronic map in a distributed manner according to different lines, wherein each line occupies different storage spaces;
the determining module is used for determining the current line number and the next line number of the train when the train has cross-line operation;
and the searching module is used for searching the corresponding storage space in the electronic map according to the current line number and the next line number of the train and extracting the data information corresponding to the line number from the corresponding storage space.
8. An electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the steps of the train route crossing search method according to any one of claims 1 to 6 are implemented when the processor executes the program.
9. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the steps of the train route crossing searching method according to any one of claims 1 to 6.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115123347A (en) * | 2022-05-31 | 2022-09-30 | 中国铁路通信信号股份有限公司 | Train redundancy positioning method and device |
| CN115402375A (en) * | 2022-08-30 | 2022-11-29 | 通号城市轨道交通技术有限公司 | Driving electronic map acquisition method and system |
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| CN112434038B (en) | 2024-01-19 |
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