CN108163015A - A kind of urban rail signal system electronic map based on point type link describes method - Google Patents
A kind of urban rail signal system electronic map based on point type link describes method Download PDFInfo
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- CN108163015A CN108163015A CN201711200248.2A CN201711200248A CN108163015A CN 108163015 A CN108163015 A CN 108163015A CN 201711200248 A CN201711200248 A CN 201711200248A CN 108163015 A CN108163015 A CN 108163015A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
Abstract
The present invention relates to a kind of urban rail signal system electronic maps based on point type link to describe method, this method describes method relative to existing electronic map, linking relationship between section is concentrated through an independent abstract data structure to be described, and is no longer described in itself by sector data structure.It if the section or section partition mode that are linked change, need to only modify to the abstract data structure change, so as to which section attribute in itself and linking relationship are separated, reduce the data degree of coupling, the workload of simplified data configuration.
Description
Technical field
The present invention relates to a kind of urban rail signal system electronic maps to describe method, and especially a kind of fetched by point type chain is retouched
It states data and improves the line description method of data search efficiency, it is specifically a kind of that urban rail signal is carried out based on point type link
The electronic map of system line data description describes method.
Background technology
At present, in urban rail signal system, particularly ground region control centre is needed to complicated circuit and yard number
According to being described, and then generate mobile authorization, control train is safely and efficiently run.Since line facility is various, scene is different,
How track data is effectively described, can easily configuration data be generated by tool, make data configuration personnel from numerous and diverse number
According to being freed in configuration, and make line topological succinctly efficient, search efficiency is promoted, becomes urgently to be resolved hurrily in urban rail signal system
The problem of.
In existing urban rail signal system data configuration, Turbo codes, each sector number are carried out to circuit using track section
Two previous chained sector, latter chained sector link attributes are respectively provided with according to structure, section and linking relationship are bound, searched
The section that needs to rely on during other sections of rope searches for linked section, is then reconverted into the section type to be searched for.One
Denier section partition mode changes, then sector data structure can be caused to have greatly changed, and causes larger software modification
And data configuration workload.
Invention content
In view of the deficiencies of the prior art, the technical issues of present invention intends to solve is to provide a kind of city linked based on point type
Rail signal system electronic map describes method.This method describes method relative to existing electronic map, by the chain between section
The relationship of connecing is concentrated through an independent abstract data structure and is described, and is no longer retouched in itself by sector data structure
It states.It, only need to be (i.e. described herein to the abstract data structure if the section or section partition mode that are linked change
LINK data structures) change of modifying, so as to which section attribute in itself and linking relationship are separated, reduce data coupling
Degree simplifies the workload of data configuration.
The present invention solve the technical problem the technical solution adopted is that：A kind of urban rail signal linked based on point type is provided
System electronic map describes method, and this method includes the following steps：
The first step, setting circuit relevant portions：
1-1. meter shaft sections Gx：
It fences up an orbital region using several axle-counting points as boundary, passes through axis-counting device statistics and come in and go out the train in this region
Wheel is to quantity, and to complete train integrity monitoring, the region between the adjacent axle-counting points is meter shaft section；
1-2. logic blocks xG：
Logic block is divided according to engineering design or running interval requirement, for no track switch physical zone, logic block
Partition length be less than or equal to physical zone, i.e. logic block is included for a complete physical zone or a physical zone
Multiple logic blocks；For track switch physical zone, wheeled path of the logic block between arbitrary axle-counting points, i.e. any two
A logic block is divided between axle-counting points；
1-3. track sections QDx：
If without trouble region then track section divide with the same boundary of meter shaft section, if switch zones then track section divide
For alienable minimum unit, i.e., arbitrary axle-counting points to the region between track switch frog；
1-4.SEGMENT sections xT：
According to engineer application self-defining SEGMENT sections, SEGMENT sections are the division units of track section minimum,
For without trouble region, SEGMENT sections and the same boundary of logic block；For switch zones, SEGMENT sections and track section are same
Boundary；
Second step, build LINK N leg link models data structure：
Based on above four kinds of sections and track switch type, any section endpoint is defined as LINK points, according to line map according to
It is secondary to be numbered, LKx is denoted as, according to the data structure of the N leg link models of formula (1) structure LINK, the N leg link models of LINK
Data structure be referred to as LINK data structures：
Track switch mark is for dynamic lookup LINK points institute chained sector in the data structure of N leg link models based on LINK
Access relationship, the track switch provided according to the circuit direction of search and computer interlocking equipment is opened to state and determines, logic area segment mark
Knowledge, track section mark and SEGMENT zone ids List Dimension are N-dimensional, and dimension N is supported maximum link leg number, is counted
Axis zone id is fixed as two dimension；
Third step is described with the data structure of the N leg link models of LINK respectively corresponding to 0~N-1 of LINK points link
Logic block mark, track section mark and SEGMENT zone ids are invalid there is no being set to if chained sector if corresponding position
Value, LINK data structures are a collection of abstract data comprising various sector chaining relationships, and LINK points are only described between section
Linking relationship, the link information comprising its adjacent sections, by point type link complete to urban rail signal system electronic map
Description.
Compared with prior art, the beneficial effects of the invention are as follows：
LINK structures are introduced in the present invention to be detached from sector chaining relationship and section self structure, and any section is drawn
Point, it can go to adjust by LINK structures, without changing sector data structure.And it can describe a little to link the situation of multiple spot.
Each section, which includes meter shaft section, track section, logic block and SEGMENT section types, increases LINK indexes, and inside includes area
Section relationship can remove.Difference according to section type can obtain different zone ids, to be adapted to different scenes.
The method proposed by the present invention that electronic map description is carried out based on LINK structures, electronic map description different from the past
In in sector data structure set linking relationship method so that data structure definition more simplify, circuit search efficiency obtains
To be promoted, good effect is achieved.
Description of the drawings
Fig. 1 is urban rail circuit and signalling arrangement layout drawing of the present invention.
Fig. 2 be based on LINK data structures to line topological carry out from left to right or right-to-left search for schematic diagram, wherein
Fig. 2 (a) is the schematic diagram searched for from left to right, and Fig. 2 (b) searches for schematic diagram for right-to-left.
Fig. 3 is the structure diagram of two leg LINK data structures in the present invention；
Fig. 4 is the structure diagram of two kind of three leg LINK data structure in the present invention；
Fig. 5 is the structure diagram of four leg LINK data structures in the present invention.
Specific embodiment
ZC：Ground region control centre (Zone Controller)
CI：Computer interlocks (Computer Interlocking)
Axle-counting points：The position of axis-counting device deployment, axis-counting device carry out occupancy inspection by wheel to statistics.
Urban rail signal system electronic map the present invention is based on point type link describes method (abbreviation method), and this method includes
Following steps：
The first step, setting circuit relevant portions：
For ease of present invention is described, following track section related notion and definition are introduced：
1-1. meter shaft sections Gx：
A kind of form of the meter shaft section as physical zone is fenced up with several axle-counting points (at least two) for boundary
One orbital region can count the Railway wheelset quantity in this region that comes in and goes out, to complete train integrity monitoring by axis-counting device；
1-2. logic blocks xG：
Logic block is the further division to meter shaft section, is generally carried out according to engineering design or running interval requirement
It divides, for no track switch physical zone, the partition length of logic block is less than or equal to physical zone, i.e. logic block can be one
A complete physical zone, can also physical zone include multiple logic blocks；For track switch physical zone, logic block
A logic block is divided between wheeled path between arbitrary axle-counting points, i.e. any two axle-counting points；
1-3. track sections QDx：
Track section is a kind of section type defined for ease of logical operation process, and dividing mode is：If nothing
Branch off region then track section divide with the same boundary of meter shaft section, if switch zones, then track section is divided into alienable minimum
Unit (i.e. arbitrary axle-counting points to the region between track switch frog)；
1-4.SEGMENT sections xT：
SEGMENT sections are the division units of track section minimum, can be according to engineer application self-defining, for Wu Chaqu
Domain, SEGMENT sections and the same boundary of logic block；For switch zones, SEGMENT sections and the same boundary of track section；
Second step, build LINK N leg link models data structure：
Based on above four kinds of sections and track switch type, any section endpoint is defined as LINK points, according to line map according to
It is secondary to be numbered, LKx is denoted as, according to the data structure of the N leg link models of formula (1) structure LINK, the N leg link models of LINK
Data structure be referred to as LINK data structures：
Track switch mark is for dynamic lookup LINK points institute chained sector in the data structure of N leg link models based on LINK
Access relationship, the track switch provided according to the circuit direction of search and computer interlocking equipment is opened to state and determines, as 0-1 accesses/
0-2 accesses or 2-0 accesses/1-0 lane-wises (by taking simple turnout as an example, multiple accesses are then configured in trouble of more clearing the way), logic block
Mark, track section mark and SEGMENT zone ids List Dimension are N-dimensional, and dimension N is supported maximum link leg number,
Meter shaft zone id is fixed as two dimension；
Third step is described with the data structure of the N leg link models of LINK respectively corresponding to 0~N-1 of LINK points link
Logic block mark, track section mark and SEGMENT zone ids are invalid there is no being set to if chained sector if corresponding position
Value, LINK data structures are a collection of abstract data comprising various sector chaining relationships, and LINK points are only described between section
Linking relationship, the link information comprising its adjacent sections, by point type link complete to urban rail signal system electronic map
Description.
Comprising two neighboring meter shaft section, (each LINK points both sides only include a meter shaft to a LINK point in the present invention
Region, without the differentiation of branch) identification information, affiliated track switch is up to 1, invalid value filled if without affiliated track switch.N leg chains
Connect model only in LINK data structures SEGMENT sections, for track section and logic block, dimension N is can support
Maximum link leg number, if without respective segments, be set to invalid value.
Zone id in the present invention, track switch mark and LINK marks are defined as follows that (identification information is in real data configuration
Digital number will be corresponded to, as 5T corresponds to SEGMENT sections 5)：
Invention introduces a kind of new abstract data structures：LINK data structures, LINK data structures are comprising various
One collection of abstract data of sector chaining relationship.LINK points only describe the linking relationship between section, and any section endpoint is equal
It is defined as LINK points, the link information comprising its adjacent sections.For non-switch section, Fig. 3 describes two most basic legs
LINK data structures, wherein left direction are defined as link 0, and right direction is defined as link 1.
Corresponding to most common simple turnout, Fig. 4 defines three leg LINK data structures, for three leg LINK data knots
Structure, track switch trouble front direction are defined as link 0, are forward defined as link 1 after trouble, and trouble rear side is to being defined as link 2.For each area
Section, the zone id corresponding to LINK points description link 0~2, the zone id List Dimension of three leg LINK data structures are maximum
For 3 dimensions, invalid value is set to if chained sector is not present.
For three-throw turnout and more complicated situation, four legs or N leg LINK data structures (referring to Fig. 5), four legs or N are established
Leg LINK data structures then only need to increase the dimension of zone id list on the basis of three leg LINK data structures.I.e. four
Zone id List Dimension is up to 4 dimensions or N-dimensional in leg or N leg LINK data structures, and 0~3 or N-1 of description link institutes are right respectively
The section type answered, if there is no be set to invalid value if chained sector.
LINK data structures can be extended according to different section types in the present invention, support different engineer applications
Demand, in LINK data structures the setting of various types section meet Practical Project requirement.For troubles of clearing the way in line map more
Scene, can flexibly define the dimensions of LINK structure chained sectors.
Embodiment 1 (LINK data structures establishment citing)
The present embodiment is abstracted line topological according to the implementation method of the application by taking line map shown in FIG. 1 as an example
And define, generate corresponding LINK data structures according to various zone ids mentioned above and track switch mark：
Line map describes maximal dimension as 3, i.e. N=3 in Fig. 1, according to the LINK data structures that the present invention describes, in Fig. 1
The LINK data structure informations included residing for LK4, LK5, LK6 and LK24 point marked are as follows：
Embodiment 2
The present embodiment describes method according to the urban rail signal system electronic map linked based on point type, applied to three leg LINK
In data structure, the data based on LINK data structures are scanned for, by taking the SEGMENT sections that Fig. 2 is indicated as an example, are passed through
LINK is identified and the circuit direction of search is into the search of row line, and it is as follows to be specifically based on the circuit searching algorithm that LINK point types link
(it is LINK marks that LKx, which is described below, corresponding with Fig. 2)：
Searching of line from left to right proceeds by search from SEGMENT sections 1T, and section 1T is non-track switch attribute, is passed through
The mark of next SEGMENT sections 2T that LK2 can be linked；Continuation is searched for the right, and SEGMENT sections 2T belongs to track switch
Property, the LK3 of the switch section is frog, then it is right to obtain each leg institute at LK3 by the LINK nodes LK3 for being located at frog
The SEGMENT zone ids answered.And pass through LINK nodes LK3 and obtain associated track switch mark, then it can be identified by track switch
The state (track switch positions or track switch antiposition) that track switch is presently in is obtained, and then can determine that it is currently 0- by switch status
1 access or 0-2 accesses, it is assumed that track switch current state is positioning, then is currently 0-1 accesses, so as to search next SEGMENT
Section 3T；It continues search for, the right LINK nodes LK4 of the switch section is non-frog, then i.e. available by right LINK nodes LK4
Next SEGMENT sections 5T of link.And so on, complete search from left to right, the section searched be followed successively by 1T, 2T,
3T、5T}。
Right-to-left searching of line is searched for since SEGMENT sections 6T, and 6T is non-track switch attribute, is saved by left LINK
Next SEGMENT sections 4T marks that point LK5 can be linked；Continuation is searched for the left, and SEGMENT sections 4T belongs to track switch
Property, the left LINK nodes LK3 of the switch section is frog, then the LINK nodes LK3 for being located at frog by this can obtain LK3
SEGMENT zone ids corresponding to each leg.And pass through LINK nodes LK3 and obtain associated track switch mark, then it can pass through
Trouble mark obtains the state (track switch positions or track switch antiposition) that track switch is presently in, and then can determine that and work as by switch status
Before be 1-0 accesses or 2-0 accesses, it is assumed that track switch current state be antiposition, then be currently 2-0 accesses, it is next so as to search
SEGMENT sections 2T；It continues search for, the left LINK nodes LK2 of the switch section is non-frog, then passes through left LINK nodes LK2
The next SEGMENT sections 1T that can be linked.And so on, the search of right-to-left is completed, the section searched is successively
For { 6T, 4T, 2T, 1T }.
For 4 legs and model above, search logic is similar.Details are not described herein again.
The present invention does not address part and is suitable for the prior art.
Claims (4)
1. a kind of urban rail signal system electronic map based on point type link describes method, this method includes the following steps：
The first step, setting circuit relevant portions：
1-1. meter shaft sections Gx：
It fences up an orbital region using several axle-counting points as boundary, passes through axis-counting device statistics and come in and go out the Railway wheelset in this region
Quantity, to complete train integrity monitoring, the region between the adjacent axle-counting points is meter shaft section；
1-2. logic blocks xG：
Logic block is divided according to engineering design or running interval requirement, for no track switch physical zone, logic block is drawn
Length is divided to be less than or equal to physical zone, i.e. logic block is a complete physical zone or a physical zone comprising multiple
Logic block；For track switch physical zone, wheeled path of the logic block between arbitrary axle-counting points, i.e. any two meter shaft
A logic block is divided between point；
1-3. track sections QDx：
If without trouble region then track section divide with the same boundary of meter shaft section, if switch zones, then be divided into can for track section
The minimum unit of segmentation, i.e., arbitrary axle-counting points to the region between track switch frog；
1-4. SEGMENT sections xT：
According to engineer application self-defining SEGMENT sections, SEGMENT sections are the division units of track section minimum, for
Without trouble region, SEGMENT sections and the same boundary of logic block；For switch zones, SEGMENT sections and the same side of track section
Boundary；
Second step, build LINK N leg link models data structure：
Based on above four kinds of sections and track switch type, any section endpoint is defined as LINK points, according to line map successively into
Row number is denoted as LKx, according to formula（1）Build the data structure of the N leg link models of LINK, the number of the N leg link models of LINK
LINK data structures are referred to as according to structure：
（1）,
Track switch mark is for the logical of dynamic lookup LINK points institute chained sector in the data structure of N leg link models based on LINK
Road relationship, the track switch provided according to the circuit direction of search and computer interlocking equipment are opened to state and determine, logic block mark, rail
Road zone id and SEGMENT zone ids List Dimension are N-dimensional, and dimension N is supported maximum link leg number, meter shaft section
Mark is fixed as two dimension；
Third step describes with the data structure of the N leg link models of LINK LINK points and links logic area corresponding to 0 ~ N-1 respectively
Segment identification, track section mark and SEGMENT zone ids, invalid value is set to if chained sector is not present in corresponding position,
LINK data structures are a collection of abstract data comprising various sector chaining relationships, and LINK points only describe the chain between section
Relationship is connect, the link information comprising its adjacent sections completes the description to urban rail signal system electronic map by point type link.
2. the urban rail signal system electronic map according to claim 1 based on point type link describes method, feature exists
The linking relationship between section is concentrated through an independent abstract data structure in this method to be described, and is no longer passed through
Sector data structure is described in itself.
3. the urban rail signal system electronic map according to claim 1 based on point type link describes method, feature exists
It can be extended in LINK data structures according to different section types, support different engineer application demands.
4. the urban rail signal system electronic map according to claim 1 based on point type link describes method, feature exists
The scene of troubles of clearing the way in for line map flexibly defines the dimension of LINK structure chained sectors more.
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| CN201711200248.2A CN108163015B (en) | 2017-11-27 | 2017-11-27 | Dot-link-based electronic map description method for urban rail signal system |
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| CN109484435A (en) * | 2018-11-28 | 2019-03-19 | 交控科技股份有限公司 | A kind of train locating method and device suitable for intelligent track-traffic detection system |
| CN110920697A (en) * | 2019-12-09 | 2020-03-27 | 交控科技股份有限公司 | Automatic generation method and device for ATS station yard graph |
| CN111003020A (en) * | 2019-11-27 | 2020-04-14 | 通号城市轨道交通技术有限公司 | Counting method and device for number of axle counting sections |
| CN112429039A (en) * | 2020-11-06 | 2021-03-02 | 卡斯柯信号有限公司 | Track section dividing method |
| CN113371040A (en) * | 2021-07-13 | 2021-09-10 | 卡斯柯信号(成都)有限公司 | Subway CBTC system line section dividing method and tool |
| CN114044027A (en) * | 2021-12-24 | 2022-02-15 | 卡斯柯信号有限公司 | Method for realizing train positioning on two-dimensional electronic map |
| CN114368416A (en) * | 2022-01-10 | 2022-04-19 | 北京全路通信信号研究设计院集团有限公司 | Method and system for obtaining link object and link direction when crossing turnout and not changing tracks |
| WO2024001235A1 (en) * | 2022-06-29 | 2024-01-04 | 比亚迪股份有限公司 | Train control method and system based on combined coordinate system, and controller |
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| CN114044027A (en) * | 2021-12-24 | 2022-02-15 | 卡斯柯信号有限公司 | Method for realizing train positioning on two-dimensional electronic map |
| CN114044027B (en) * | 2021-12-24 | 2024-03-26 | 卡斯柯信号有限公司 | Method for realizing train positioning on two-dimensional electronic map |
| CN114368416A (en) * | 2022-01-10 | 2022-04-19 | 北京全路通信信号研究设计院集团有限公司 | Method and system for obtaining link object and link direction when crossing turnout and not changing tracks |
| WO2024001235A1 (en) * | 2022-06-29 | 2024-01-04 | 比亚迪股份有限公司 | Train control method and system based on combined coordinate system, and controller |
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