CN113177096B - Electronic map data generation method and system based on forward sequence calculation and reverse sequence check - Google Patents
Electronic map data generation method and system based on forward sequence calculation and reverse sequence check Download PDFInfo
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Abstract
The invention relates to an electronic map data generation method and system based on forward sequence reckoning and reverse sequence checking. The method comprises the following steps: a data preparation step, which is used for acquiring the basic data of the manual statistics of the route map; and a data processing step, namely acquiring initial end and terminal line equipment from the line map manual statistics basic data, and acquiring service data required for manufacturing the electronic map according to the service logic association relation of the selected line equipment. Therefore, the invention has the following advantages: determining a topological relation between devices according to index numbers of signal machines by acquiring starting and ending points of routes where two signal machine devices in a target area are located; and automatically generating corresponding route data according to the corresponding attributes of each scene, without depending on a route map provided by a track design unit and without secondary processing of basic data of the route. The generation process of the route electronic map data is simple, the labor input cost is relatively low, and the data accuracy is high. The modification is more flexible.
Description
Technical Field
The invention relates to an electronic map generation method and system, belongs to the technical field of rail transit, and particularly relates to an electronic map data generation method and system based on forward sequence reckoning and reverse sequence checking.
Background
In the field of rail transit, data generation generally comprises two modes; one is that a route map is provided by a track design unit, basic data are manually counted according to the route map, and link, a counting section, a logic section and the like are used as basic data tables to generate corresponding electronic map data, so that the method is relatively simple, easy to upgrade and transform and selected by most users; in particular, the generation of the line data is based on the track equipment. According to different types of line equipment, corresponding data are generated for each type of equipment, and then the data are connected together according to the incidence relation among the indexes to establish a corresponding data table. For example, when a piece of route information is generated, an index number, a route name, two signalers, a link position where a starting point and a destination point are located, a turnout included in the route, a corresponding physical section, a protection section thereof, a proximity area and a trigger area thereof are included, the information is closely related to whether a route can normally run, when the corresponding electronic map data is generated, firstly, index code bits and attribute type data of the signalers need to be generated, and code bits and position data of the link are generated; and repeating the steps until basic data of all the line equipment are generated, and then generating the route electronic map data according to the equipment contained in the route data. However, the above approaches all have some drawbacks: (1) route data generation depends on line equipment, so that all processes are independent from each other, and route electronic map data are generated through association among equipment after various line equipment data (such as index number data, attribute type data and position data) are generated; (2) the electronic map data is provided by a track design unit, and secondary processing is required to enter the electronic map data, so that the generated basic line equipment data is reworked. Therefore, the data generation process of the method is repeated, the labor investment is large, the timeliness of the data cannot be guaranteed, and the data correctness needs to be improved.
The second method for generating the route electronic map data is to generate basic route data according to the basic relation principle by automatically searching the devices on the route, and the method has higher requirement on software design for judging and identifying route information and lower expansibility. In the second mode, the generation of the route data depends on software, and the software automatically generates the route data according to the related inclusion relationship between the devices, the device types and the like; in the second mode, the connection relationship between the devices needs to be manually identified by drawing, and then data is generated by software or a program according to the connection relationship and the device type. In the method, due to the limited equipment types, once the equipment is newly added, all data needs to be modified, including program tools, safety certification of the tools and the like, and the data volume is huge; and once one kind of data needs to be modified, other related work also needs to be readjusted and modified, repeated work consumes resources, and the workload is complicated.
Disclosure of Invention
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
The invention mainly aims to solve the problems that manual statistical data are mostly adopted for generating electronic map data, the error is large, and the accuracy of the data cannot be ensured in the prior art.
The invention also aims to solve the technical problems that the electronic map in the prior art has large data volume and the timeliness and integrity of the data cannot be guaranteed.
The invention also aims to solve the problems that the electronic map data in the prior art are complex, strong relevance and logicality exist, and a plurality of functional data are affected by relevance when a single data is wrong.
In order to solve the problems, the scheme of the invention is as follows:
an electronic map data generation method based on forward sequence reckoning and reverse sequence checking comprises the following steps:
a data preparation step, which is used for acquiring the basic data of the manual statistics of the route map;
and a data processing step, namely acquiring initial end and terminal line equipment from the line map manual statistics basic data, and acquiring service data required for manufacturing the electronic map according to the service logic association relation of the selected line equipment.
Preferably, the electronic map data generation method based on forward sequence estimation and reverse sequence check includes:
the method comprises the steps of data preparation, wherein the data preparation step is used for acquiring basic data of the manual statistics of the route map, the basic data of the manual statistics of the route map comprises a route table, and the route table comprises an index number, a route name and route properties;
a data processing step, namely determining an initial end annunciator and a terminal annunciator according to the route name, and searching a corresponding number of the annunciator through an annunciator table; acquiring link index numbers between the constant terminals according to the signal information of the starting terminal, such as the name of the terminal; in the Link table, there is a corresponding relationship of the semaphore Link. For example, signal 1 belongs to link 10. Therefore, the link sequence between the start end and the terminal can be acquired according to the link table relationship, the axle counting section table can be searched according to the link sequence, and the number and the serial number of the axle counting sections can be calculated. In the semaphore basic table, the number related to the semaphore is searched for according to the name corresponding to the semaphore, and the number is unique.
Preferably, the electronic map data generation method based on forward sequence estimation and reverse sequence check includes:
the method comprises the steps of data preparation, wherein the data preparation step is used for acquiring basic data of the manual statistics of the route map, the basic data of the manual statistics of the route map comprises a route table, and the route table comprises an index number, a route name and route properties;
a data processing step, namely determining an initial end annunciator and a terminal annunciator according to the route name, and searching a corresponding number of the annunciator through an annunciator table; according to the link number of the route terminal, searching a link table backwards; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; and acquiring the number of the axle counting section according to the length value of the axle counting section, generating a protection section table, and counting the number and the number of the protection section.
Preferably, the electronic map data generation method based on forward sequence estimation and reverse sequence check includes:
the method comprises the steps of data preparation, wherein the data preparation step is used for acquiring basic data of the manual statistics of the route map, the basic data of the manual statistics of the route map comprises a route table, and the route table comprises an index number, a route name and route properties;
a data processing step, namely determining an initial end annunciator and a terminal annunciator according to the route name, and searching a corresponding number of the annunciator through an annunciator table; searching a link table forward according to the link number of the initial end of the route; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; and acquiring the number of the axle counting section according to the calculation result, generating a point type approaching section table, and counting the number and the number of the point type approaching section.
Preferably, the electronic map data generation method based on forward sequence estimation and reverse sequence check includes: and generating a protection section table and an approaching section table in the access table, calculating a new signal base table in a reverse order, counting the number, and comparing the counted number with the basic data of manual statistics of the line map to determine whether the generated protection section table and the approaching section table are correct or not.
An electronic map data generation system based on forward sequence estimation and reverse sequence checking, comprising:
the data preparation module is used for acquiring the basic data of the manual statistics of the line map;
and the data processing module is used for acquiring initial end and terminal line equipment from the line map manual statistics basic data and acquiring service data required by manufacturing the electronic map according to the service logic association relation of the selected line equipment.
Preferably, the electronic map data generation system based on forward sequence estimation and reverse sequence check,
the data preparation module is used for acquiring basic data of the circuit map manual statistics, wherein the basic data of the circuit map manual statistics comprises a route table, and the route table comprises an index number, a route name and route properties;
the data processing module determines an initial end annunciator and a terminal annunciator according to the route name, and retrieves the corresponding number of the annunciator through an annunciator table; acquiring link index numbers between the constant end areas according to the starting end terminal annunciator information; and acquiring a link sequence between the initial end and the terminal according to the link table relationship, searching the axle counting section table according to the link sequence, and calculating the number and the serial number of the axle counting sections.
Preferably, the electronic map data generation system based on forward sequence estimation and reverse sequence inspection includes:
the data preparation module is used for acquiring basic data of the circuit map manual statistics, wherein the basic data of the circuit map manual statistics comprises a route table, and the route table comprises an index number, a route name and route properties;
the data processing module determines an initial end annunciator and a terminal annunciator according to the route name, and retrieves the corresponding number of the annunciator through an annunciator table; according to the link number of the route terminal, searching a link table backwards; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; and acquiring the number of the axle counting section according to the length value of the axle counting section, generating a protection section table, and counting the number and the number of the protection section.
Preferably, the electronic map data generation system based on forward sequence estimation and reverse sequence inspection includes:
the data preparation module is used for acquiring basic data of the circuit map manual statistics, wherein the basic data of the circuit map manual statistics comprises a route table, and the route table comprises an index number, a route name and route properties;
the data processing module determines an initial end annunciator and a terminal annunciator according to the route name, and retrieves the corresponding number of the annunciator through an annunciator table; searching a link table forward according to the link number of the initial end of the route; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; and acquiring the number of the axle counting section according to the calculation result, generating a point type approaching section table, and counting the number and the number of the point type approaching section.
Preferably, the electronic map data generation system based on forward sequence estimation and reverse sequence inspection includes: and generating a protection section table and an approaching section table in the access table, calculating a new signal base table in a reverse order, counting the number, and comparing the counted number with the basic data of manual statistics of the line map to determine whether the generated protection section table and the approaching section table are correct or not.
Therefore, compared with the prior art, the invention has the following advantages: determining a topological relation between devices according to index numbers of signal machines by acquiring starting and ending points of routes where two signal machine devices in a target area are located; and automatically generating corresponding route data according to the corresponding attributes of each scene, without depending on a route map provided by a track design unit and without secondary processing of basic data of the route. The generation process of the route electronic map data is simple, the labor input cost is relatively low, and the data accuracy is high. The modification is more flexible.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 illustrates a flow chart of a method for generating the number and number of the axle counting sections in an embodiment of the invention;
FIG. 2 illustrates a flow chart of a method for generating the number and number of protection zones in an embodiment of the present invention;
fig. 3 illustrates a point approach zone number and numbering flow diagram in an embodiment of the invention.
Embodiments of the present invention will be described with reference to the accompanying drawings.
Detailed Description
Examples
The content of the embodiment is based on two parts, firstly, the other data table in the electronic map is generated by using the existing artificial statistical data table and a positive sequence estimation method. The forward sequence deduction algorithm is described as follows: the generation of the line data is based on the track equipment. According to different types of line equipment, corresponding data are generated for each type of equipment, and then the data are linked together according to the business logic association relation among the indexes to establish a corresponding data table.
For example, after calculating the known entry name field in the entry route table based on the known route map manual statistics basic data and using links, axle counting sections, logic sections, semaphores, switches, and other devices as the judgment basis of the basic data table, the corresponding start-end semaphores number, end-end semaphores number, the number and number of axle counting sections included in the entry route, the number and number of protection sections, the number and number of point type proximity sections, the number and number of CBTC proximity sections, the number and number of point type trigger sections, and the number and number of CBTC trigger sections are described. The specific implementation steps are as follows:
fig. 1 is a schematic diagram showing the number and numbering of the axle counting sections of the present embodiment. The method comprises the steps of knowing an index number, a route name and route properties in a route table, searching and obtaining a corresponding index number by traversing the name of annunciator equipment in corresponding annunciator table data, further obtaining the index number of a Link corresponding to the position of a consistent end according to consistent end annunciator index number information, obtaining a Link sequence contained in the route by traversing the Link table relationship, obtaining a shaft counting section sequence according to the Link sequence by searching through a shaft counting section table, obtaining a corresponding logic section by traversing the shaft counting section table, and finally calculating the number and the number of the shaft counting section.
Fig. 2 is a schematic diagram illustrating the steps of generating the number and number of the protection segments. The protection section table is judged according to the information of the starting and ending points of the access route and the corresponding topological relation. And retrieving backwards according to the Link number of the access terminal, acquiring the axle counting section according to the Link index number, and if the length accumulation of the axle counting section is less than 40m, delaying backwards until the length accumulation is more than 40 m. And generating a protection zone table according to the obtained axle counting zone sequence, and counting the number and the number of the protection zones through the protection zone table.
Fig. 3 is a schematic diagram showing the number and numbering of the point-type access zones according to the embodiment of the present invention. And the point type approach zone table searches Link forwards according to the number of the Link at the starting end of the approach, acquires the axle counting zone according to the Link index number, continues searching forwards until the axle counting zone is larger than 1000m if the accumulation of the axle counting zone is less than 1000m, generates the point type approach zone table according to the acquired axle counting zone sequence, and counts the number and the number of the point type approach zone.
By generating a protection section table and an adjacent section table in the access table, a new signal base table is calculated out in a reverse order, the number of the new signal base table is counted, and the new signal base table is compared with an original signal base table, so that the purpose of checking whether the report is generated correctly in the reverse order is achieved.
As can be seen from the above description, the embodiments of the present invention have the following advantages:
(1) determining a topological relation between devices according to index numbers of signal machines by acquiring starting and ending points of routes where two signal machine devices in a target area are located; and automatically generating corresponding route data according to the corresponding attributes of each scene, without depending on a route map provided by a track design unit and without secondary processing of basic data of the route.
(2) The generation process of the route electronic map data is simple, the labor input cost is relatively low, and the data accuracy is high. The modification is more flexible.
It is noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described. The previous description of the disclosure is provided to enable any person skilled in the art to make or use the disclosure. Various modifications to the disclosure will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other variations without departing from the spirit or scope of the disclosure. Thus, the disclosure is not intended to be limited to the examples and designs described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. An electronic map data generation method based on forward sequence estimation and reverse sequence check is characterized by comprising the following steps:
a data preparation step, which is used for acquiring the basic data of the manual statistics of the route map; the data used for acquiring the route map manual statistics basic data comprises a route table, wherein the route table comprises index numbers, route names and route properties;
a data processing step, namely acquiring initial end and terminal line equipment from the line map manual statistics basic data, and acquiring service data required for manufacturing an electronic map according to the service logic association relation of the selected line equipment; determining an initial end annunciator and a terminal annunciator according to the route name, and searching a corresponding number of the annunciator through an annunciator table; and:
according to the link number of the route terminal, searching a link table backwards; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; acquiring the number of the axle counting section according to the length value of the axle counting section, generating a protection section table, and counting the number and the number of the protection section;
searching a link table forward according to the link number of the initial end of the route; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; acquiring the number of the axle counting section according to the calculation result, generating a point type approach section table, and counting the number and the number of the point type approach section;
and generating a protection section table and an approaching section table in the access table, calculating a new signal base table in a reverse order, counting the number, and comparing the counted number with the basic data of manual statistics of the line map to determine whether the generated protection section table and the approaching section table are correct or not.
2. The electronic map data generation method based on forward sequence estimation and reverse sequence check according to claim 1, comprising:
the method comprises the steps of data preparation, wherein the data preparation step is used for acquiring basic data of the manual statistics of the route map, the basic data of the manual statistics of the route map comprises a route table, and the route table comprises an index number, a route name and route properties;
a data processing step, namely acquiring link index numbers between the constant end areas according to the starting end terminal annunciator information; and acquiring a link sequence between the initial end and the terminal according to the link table relationship, searching the axle counting section table according to the link sequence, and calculating the number and the serial number of the axle counting sections.
3. An electronic map data generation system based on forward sequence estimation and reverse sequence inspection, comprising:
the data preparation module is used for acquiring the basic data of the manual statistics of the line map;
the data processing module is used for acquiring initial end and terminal line equipment from the line map manual statistics basic data and acquiring service data required by manufacturing an electronic map according to the service logic association relation of the selected line equipment; determining an initial end annunciator and a terminal annunciator according to the route name, and searching a corresponding number of the annunciator through an annunciator table; and:
according to the link number of the route terminal, searching a link table backwards; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; acquiring the number of the axle counting section according to the length value of the axle counting section, generating a protection section table, and counting the number and the number of the protection section;
searching a link table forward according to the link number of the initial end of the route; acquiring an axis counting section according to the link table index number, and calculating the length value of the axis counting section; acquiring the number of the axle counting section according to the calculation result, generating a point type approach section table, and counting the number and the number of the point type approach section;
and generating a protection section table and an approaching section table in the access table, calculating a new signal base table in a reverse order, counting the number, and comparing the counted number with the basic data of manual statistics of the line map to determine whether the generated protection section table and the approaching section table are correct or not.
4. The electronic map data generation system based on forward sequence estimation and reverse sequence inspection as claimed in claim 3,
the data preparation module is used for acquiring basic data of the circuit map manual statistics, wherein the basic data of the circuit map manual statistics comprises a route table, and the route table comprises an index number, a route name and route properties;
the data processing module acquires link index numbers between the constant end regions according to the starting end terminal annunciator information; and acquiring a link sequence between the initial end and the terminal according to the link table relationship, searching the axle counting section table according to the link sequence, and calculating the number and the serial number of the axle counting sections.
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| CN113704839A (en) * | 2021-10-28 | 2021-11-26 | 北京全路通信信号研究设计院集团有限公司 | Method and system for automatically generating route information table based on depth priority |
| CN115416733A (en) * | 2022-09-15 | 2022-12-02 | 交控科技股份有限公司 | Rail transit section parameter generation method and device |
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