CN113371040A - Subway CBTC system line section dividing method and tool - Google Patents
Subway CBTC system line section dividing method and tool Download PDFInfo
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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
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Abstract
The invention discloses a method and a tool for dividing a line section of a subway CBTC system, which relate to the technical field of subway signal systems and comprise a signal plane map reading step, a line section boundary determining step, a line section dividing step and a line section adjusting step.
Description
Technical Field
The invention relates to the technical field of subway signal systems, in particular to a method and a tool for dividing a subway CBTC system line section.
Background
With the acceleration of urban rail transit construction process and the gradual increase of subway construction projects, a common subway signal system CBTC (communication Based Train Control system) carries out real-time and large-capacity bidirectional information interaction between a Train, a ground and a dispatching center through wireless communication, and realizes the safe operation and Control of a Train.
The subway CBTC system has the advantages that each subsystem in the subway CBTC system can realize supervision and control on the train only by knowing the position information of the train, so that the train position information of information interaction among the subsystems can be accurately expressed and accurately corresponding to the train position information in the line network, wherein the train position information is described through line sections in the line network, and higher requirements are provided for the uniqueness and the accuracy of the line sections in the line network. In one line, line sections are line datamation and are the basis for providing line electronic map information, and the uniqueness, the completeness of line coverage and the practicability of line sections applied by each subsystem need to be considered when dividing the line sections. If the line section is too long, the total length of the detected train occupying the line section is too long, and the tracking distance between the front train and the rear train is too large, so that the traveling efficiency is too low. If the line section is divided to be too short, the length of the train exceeds the length of a turnout section, the situation that one train occupies 3 line sections can occur when the turnout section displays that the line sections occupy, meanwhile, when the train occupies the line sections in sequence in the turnout section, if a certain line section is too short, light train jumping can occur, namely, axle counting equipment beside the rail detects that the train occupies time delay or the monitoring system receives messages and delays, so that the monitoring interface has the situation that the line section is not occupied yet, and the train runs through the line section. Therefore, the division of the line segment should not be too long or too short, and the requirement of each subsystem should be satisfied.
In the prior patents and papers, documents for line segment division are relatively few, and in the published documents, a paper document named as "CBTC system line data automatic generation research" provides a line segment division principle of a subway CBTC system, which divides a switch point, a line end and a direct connection point (axle counting) as end point types of a line segment, and the line segment obtained by the division scheme can satisfy most functions of a subsystem, but the technical scheme has the following defects: 1. there may be a line segment directly associated with 2 switch points, making the location of the line segment ambiguous and unable to identify which switch range the line segment belongs to, causing errors in the calculation of switches by the associated subsystem. 2. The length of the line section is too long, so that the driving efficiency is too low. 3. There may be one line segment containing 2 semaphores, so that the semaphore guard segment is repeated.
At present, a subway CBTC system is widely applied to urban rail transit construction, large-scale line opening is faced, and it is very important to provide a subway CBTC system line section division method and a tool which are widely applied, can meet the scheme of each subsystem and can quickly divide line sections.
Disclosure of Invention
The invention aims to provide a CBTC (communication based train control) system line section dividing method which can reasonably divide line sections and meet the requirements of subsystems aiming at the defects of the existing line section dividing technical scheme, and the dividing method is applied to a tool, and the line sections of all subway lines are generated through the tool, so that accurate line section data meeting conditions and line section uplink and downlink link relations of the line sections are provided for designers and developers of the subsystems of the CBTC system.
The purpose of the invention is realized by the following technical scheme:
a CBTC system line section dividing method is characterized by comprising the following steps:
reading a signal plane graph, namely, reading the starting ends and the terminal ends of all lines in the signal plane graph as initial boundaries to divide a plurality of initial line sections, wherein the signal plane graph comprises kilometer posts, axle counting points, turnout switch points, turning-back areas, platform boundaries, signal machines and ZC signal areas of the lines;
a line section boundary determining step, in which an axis counting point of a line contained in each initial line section in the signal plan reading step is read and used as a new boundary to divide the initial line sections to obtain a plurality of first-level line sections; reading turnout switch points of the line contained in the primary line section as a new boundary to divide the primary line section to obtain a plurality of secondary line sections, wherein any one secondary line section (containing a line section starting terminal) cannot contain more than 1 turnout switch point at the same time; then, continuously reading the starting end and the terminal end of a return area of the line contained in the secondary line section as new boundaries to divide the secondary line section to obtain a plurality of tertiary line sections; continuously dividing a three-level line section which comprises a platform and does not have a shaft counting, a turnout switch and a line starting terminal within a set distance range by taking the boundary of the platform as a new boundary to obtain a plurality of four-level line sections, and directly compiling other three-level line sections which do not comprise the platform into four-level line sections;
specifically, the set distance range is a specific range value obtained according to a priori threshold, preferably, the range value is changed according to different platform environment factors, and a reference data table is formed by the classical range value and the corresponding platform environment, so that a reference of the set distance range can be provided for the scheme.
A line segment dividing step, wherein if the four-level line segment (including the line segment start terminal) obtained in the line segment boundary determining step has N equidirectional signal machines, the line segment is divided into N line segments X according to the standard with the minimum length differencenEach line section XnOnly contains 1 equidirectional signal machine, wherein N ≧ 2; if the four-level line section is located in the ZC signal zone and on the boundary of the ZC signal zone, and the four-level lineWhen the sections are connected with turnout switch points, the four-stage line section is divided into 2 line sections X with equal lengthn（X1And X2）;
A line segment adjusting step of, if the line segment X obtained in the line segment dividing stepnIf the Length exceeds the set threshold Length, dividing the line section into a plurality of final line sections according to the threshold Length, and outputting the line sections as the division result of the line sections;
further, the line segment adjusting step is to adjust the line segment XnDividing into N final line sections of equal Length and less than Length if the N line sections XnThe lengths of the first N-1 line sections are the value obtained by dividing the length of the initial line section by N, the last length is the remaining value, namely the length of a single line section larger than length is divided by length, and if the value is decimal, the length is taken up and the integer is taken to obtain N.
Preferably, in the signal plane diagram, one subway line corresponds to one signal plane diagram, one subway line is composed of a plurality of lines, the lines include an uplink line, a downlink line, a lateral line, a crossover line and the like, and the signal plane diagram includes signal equipment and parameters related to a signal machine, a turnout, a counter, a platform, a kilometer post and the like.
All the start end, the terminal end and the boundary point in the signal plane diagram are positioned through a kilometer table.
The beginning and the end of the line refer to the beginning end and the ending end of each line.
The line segment boundary means that a line can be regarded as a line segment, and two line segments are obtained after division according to a certain point, and the point becomes the boundary point or the division point of the two line segments.
The starting end and the terminal end of the turn-back area refer to the starting endpoint and the ending endpoint of the turn-back area.
More specifically, the method further comprises a step of establishing an uplink and downlink link relation of the line section, specifically:
positioning an upstream adjacent line section, which refers to an adjacent line section in the positioning direction of the conventional upstream direction of the final line section;
positioning downlink adjacent line sections, which means adjacent line sections in the conventional downlink direction positioning direction of the final line section;
a reversed upstream adjacent line section, which refers to an adjacent line section in the normal upstream direction reversed direction of the final line section;
the inverted downlink adjacent line section refers to an adjacent line section in the inverted direction of the conventional downlink direction of the final line section;
in the conventional uplink direction, one subway line has and only has a unique conventional description direction, such as: a line going up from left to right is going down from right to left, then the normal up direction is going back from left.
The positioning of the upstream adjacent line segment, specifically, when the final line segment is not directly connected to the switch point of the switch and when the final line segment is directly connected to the switch point of the switch in the positioning position or the inverted position, the final line segment adjacent to the normal upstream direction of the final line segment is the positioning direction upstream adjacent line segment of the final line segment.
Specifically, when the final link section is not directly connected to the switch point of the switch and when the final link section is directly connected to the switch point of the switch at the positioning position or the inverted position, the final link section adjacent to the conventional downstream direction of the final link section is the downstream adjacent link section in the positioning direction of the final link section.
Specifically, when the final line segment is located at the positioning position where the turnout point is directly connected and the final line segment in the conventional uplink direction exists in the straight-connected line at the turnout reversal position, the final line segment in the reversal uplink direction of the straight-connected line at the turnout reversal position is the reversal uplink adjacent line segment of the final line segment at the positioning position of the turnout point; if the straight line at the reverse position of the turnout has no final line section in the upstream direction, the final line section has no reverse upstream adjacent line section.
Specifically, when the final line segment is located at the location of the point-and-switch straight connection and the point-and-switch straight connection line has the final line segment in the conventional downlink direction, the final line segment in the inverted downlink direction of the point-and-switch straight connection line is the inverted downlink adjacent line segment of the final line segment at the point-and-switch location; and if the straight-connected line at the reverse position of the turnout does not have the final line section in the downlink direction, the final line section does not have the reverse downlink adjacent line section.
Corresponding to the method, the invention also provides a CBTC system line section dividing tool, which comprises a data import and export module, a dividing rule selection module and a rule calculation module;
the data import and export module is used for importing the original line basic data corresponding to the signal plane diagram into a tool from XML and exporting the divided line section data into XML;
the dividing rule selection module is used for displaying the line section dividing rule in an interface and selecting a proper line section dividing rule for subsequent line section dividing calculation according to the requirement;
and the rule calculation module is used for calculating the division of the line sections and generating popular and easily understood line section data with an uplink and downlink link relation.
The XML import means that the original line basic data is stored in XML (system data), and data needs to be imported from XML into the tool.
The export to XML means that the divided line segment data needs to be stored in XML (system data).
The uplink and downlink link relation of the line sections represents a recognizable and easily-described uplink and downlink relation of the line sections.
Compared with the prior art, the CBTC system line section dividing method and the tool provided by the invention have the advantages that the basic data of the CBTC system line are imported into the tool, the line section dividing rule required to be carried out is manually selected, the basic data of the line corresponding to the related dividing rule is verified, and the line section data which is finally calculated by the tool and has the uplink and downlink link relation is stored in the system data XML.
The technical scheme of the invention has the following innovation points and beneficial effects (advantages):
1) the length of the divided line sections is proper, so that the requirements of each subsystem can be met;
2) the divided line section data can completely cover the whole line, and the uniqueness and the accuracy of the line section data are ensured;
3) aiming at a large-scale CBTC system project, a tool can be used for rapidly dividing line sections, the labor cost is reduced, the line section dividing efficiency is improved, and the communication, the design and the development of each subsequent subsystem are facilitated by using the divided line sections;
4) aiming at differentiated CBTC system projects, different line section division rules can be selected according to different line requirements, or line section division rules are added, line sections meeting the CBTC system projects are obtained through division, and the differentiated requirements of different projects are met.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic flow chart of a line segment division method of a CBTC system according to the present invention;
FIG. 2 is a schematic plan view of a portion of signals obtained by a line segment division method according to the present invention;
FIG. 3 is a schematic diagram of a line segment boundary determination process according to the present invention;
FIG. 4 is a schematic diagram illustrating establishment of uplink and downlink link relationships in a line segment according to the present invention;
fig. 5 is a schematic view of the subway CBTC system line segment dividing tool according to the present invention.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
As a basic implementation of the CBTC system line segment dividing method according to the present invention, this embodiment provides a CBTC system line segment dividing method, as shown in fig. 1, a tool is used to divide line segments rapidly, and divided line segment data can completely cover an entire line, specifically, the method includes a signal plane diagram reading step, a line segment boundary determining step, a line segment dividing step, and a line segment adjusting step.
Specifically, in the signal plan reading step, the starting ends and the terminal ends of all lines in the signal plan are read as initial boundaries to divide a plurality of initial line sections, and the signal plan comprises kilometers of the lines, axle counting points, turnout switch points, turning areas, boundaries of stations, signal machines and ZC signal areas.
In the line segment boundary determining step, as shown in fig. 2, the axle counting point of the line included in each initial line segment in the signal plan reading step is read and used as a new boundary to divide the initial line segment to obtain a plurality of primary line segments; reading turnout switch points of the line contained in the primary line section as a new boundary to divide the primary line section to obtain a plurality of secondary line sections, wherein any one secondary line section (containing a line section starting terminal) cannot contain more than 1 turnout switch point at the same time; then, continuously reading the starting end and the terminal end of a return area of the line contained in the secondary line section as new boundaries to divide the secondary line section to obtain a plurality of tertiary line sections; continuously dividing a three-level line section which comprises a platform and does not have a shaft counting, a turnout switch and a line starting terminal within a set distance range by taking the boundary of the platform as a new boundary to obtain a plurality of four-level line sections, and directly compiling other three-level line sections which do not comprise the platform into four-level line sections; the set distance range is a specific range value obtained according to a priori threshold, preferably, the range value is changed according to different platform environment factors, and the classical range value and the corresponding platform environment form a reference data table, so that the reference of the set distance range can be provided for the scheme, for example, the set range value is 50 +/-10 meters.
In the line segment dividing step, if the four-level line segment (including the line segment start terminal) obtained in the line segment boundary determining step has N equidirectional signal machines, the line segment is divided into N line segments X according to the standard with the minimum length differencenEach line section XnOnly contains 1 equidirectional signal machine, wherein N ≧ 2; as shown in fig. 3, if the four-stage line segment is located in the ZC signal zone and on the boundary of the ZC signal zone, and the four-stage line segment is connected to the turnout point, the four-stage line segment is divided into 2 line segments X having the same lengthn（X1And X2）。
The line section adjusting step, if the line section X obtained in the line section dividing stepnAnd if the Length exceeds the set threshold Length, dividing the line section into a plurality of final line sections according to the threshold Length, and outputting the line sections as the division result of the line sections.
Example 2
As a more specific embodiment of the CBTC system line segment dividing method according to the present invention, this embodiment provides a CBTC system line segment dividing method, as shown in fig. 1, a tool is used to divide line segments rapidly, and divided line segment data can completely cover an entire line, and specifically, the method includes a signal plane diagram reading step, a line segment boundary determining step, a line segment dividing step, and a line segment adjusting step.
Specifically, in the signal plan reading step, the starting ends and the terminal ends of all lines in the signal plan are read as initial boundaries to divide a plurality of initial line sections, and the signal plan comprises kilometers of the lines, axle counting points, turnout switch points, turning areas, boundaries of stations, signal machines and ZC signal areas.
In the signal plan, as shown in fig. 2, one subway line corresponds to one signal plan, one subway line is composed of a plurality of lines, the lines include an uplink line, a downlink line, a lateral line, a crossover line and the like, and the signal plan includes signal equipment and parameters related to a signal machine, a turnout, a meter axis, a platform, a kilometer post and the like. All the start end, the terminal end and the boundary point in the signal plane diagram are positioned through a kilometer table. The beginning and the end of the line refer to the beginning end and the ending end of each line. The line segment boundary means that a line can be regarded as a line segment, and two line segments are obtained after division according to a certain point, and the point becomes the boundary point or the division point of the two line segments. The starting end and the terminal end of the turn-back area refer to the starting endpoint and the ending endpoint of the turn-back area.
In the line segment boundary determining step, as shown in fig. 2, the axle counting point of the line included in each initial line segment in the signal plan reading step is read and used as a new boundary to divide the initial line segment to obtain a plurality of primary line segments; reading turnout switch points of the line contained in the primary line section as a new boundary to divide the primary line section to obtain a plurality of secondary line sections, wherein any one secondary line section (containing a line section starting terminal) cannot contain more than 1 turnout switch point at the same time; then, continuously reading the starting end and the terminal end of a return area of the line contained in the secondary line section as new boundaries to divide the secondary line section to obtain a plurality of tertiary line sections; continuously dividing a three-level line section which comprises a platform and does not have a shaft counting, a turnout switch and a line starting terminal within a set distance range by taking the boundary of the platform as a new boundary to obtain a plurality of four-level line sections, and directly compiling other three-level line sections which do not comprise the platform into four-level line sections; the set distance range is a specific range value obtained according to a priori threshold, preferably, the range value is changed according to different platform environment factors, and the classical range value and the corresponding platform environment form a reference data table, so that the reference of the set distance range can be provided for the scheme, for example, the set range value is 50 +/-10 meters.
The line segment dividing step, if the line segment boundary determining step obtains four-level line segments (packets)Including line segment start terminal) has N identical direction signal machines, the line segment is divided into N line segments X according to the standard of minimum length differencenEach line section XnOnly contains 1 equidirectional signal machine, wherein N ≧ 2; as shown in fig. 3, if the four-stage line segment is located in the ZC signal zone and on the boundary of the ZC signal zone, and the four-stage line segment is connected to the turnout point, the four-stage line segment is divided into 2 line segments X having the same lengthn（X1And X2）。
The line section adjusting step, if the line section X obtained in the line section dividing stepnIf the Length exceeds the set threshold Length, dividing the line section into a plurality of final line sections according to the threshold Length, and outputting the final line sections as the division result of the line sections, specifically, dividing the line section X into a plurality of final line sectionsnDividing into N final line sections of equal Length and less than Length if the N line sections XnThe lengths of the first N-1 line sections are the value obtained by dividing the length of the initial line section by N, the last length is the remaining value, namely the length of a single line section larger than length is divided by length, and if the value is decimal, the length is taken up and the integer is taken to obtain N.
Further, the method further includes a step of establishing an uplink and downlink link relationship of the line section, specifically including:
the positioning of the upstream adjacent line segment refers to when the upstream adjacent line segment in the positioning direction of the normal upstream direction of the final line segment is adjacent, specifically, when the final line segment is not directly connected to the switch point of the switch and when the final line segment in the positioning position or the inverted position is directly connected to the switch point of the switch, the upstream adjacent line segment in the positioning direction of the final line segment is the final line segment in the positioning direction of the final line segment.
The positioning of the downstream adjacent line segment refers to an adjacent line segment in the positioning direction of the conventional downstream direction of the current line segment, and specifically, when the final line segment is not directly connected to the switch point of the switch and when the final line segment is directly connected to the switch point of the switch at the positioning position or the inverted position, the final line segment adjacent to the conventional downstream direction of the final line segment is the downstream adjacent line segment in the positioning direction of the final line segment.
The inverted uplink adjacent line section refers to an adjacent line section in the inverted direction of the conventional uplink direction of the current line section, and specifically, when the final line section is located at the positioning position where the switch point is directly connected and the switch inverted position direct-connected line has the final line section in the conventional uplink direction, the final line section in the inverted uplink direction of the switch inverted position direct-connected line is the inverted uplink adjacent line section of the final line section at the switch point positioning position; if the straight line at the reverse position of the turnout has no final line section in the upstream direction, the final line section has no reverse upstream adjacent line section.
The inverted downlink adjacent line section refers to an adjacent line section in the inverted direction of the conventional downlink direction of the current line section, and specifically, when the final line section is located at the positioning position where the turnout and switch point are directly connected and the turnout inverted position direct-connected line has the final line section in the conventional downlink direction, the final line section in the inverted downlink direction of the turnout inverted position direct-connected line is the inverted downlink adjacent line section of the final line section at the turnout and switch point positioning position; and if the straight-connected line at the reverse position of the turnout does not have the final line section in the downlink direction, the final line section does not have the reverse downlink adjacent line section.
As shown in fig. 4, the conventional uplink direction is a subway line having only one conventional description direction, such as: a line going up from left to right is going down from right to left, then the normal up direction is going back from left.
Example 3
Corresponding to the technical solutions of the foregoing embodiments 1 and 2, this embodiment further provides a CBTC system line segment partitioning tool, as shown in fig. 5, including a data import/export module, a partition rule selection module, and a rule calculation module;
and the data import and export module is used for importing the original line basic data corresponding to the signal plane diagram into a tool from XML and exporting the divided line section data into XML.
The division rule selection module is used for displaying the line section division rules in an interface and selecting proper line section division rules for subsequent line section division calculation according to requirements.
And the rule calculation module is used for calculating the division of the line sections and generating popular and easily understood line section data with an uplink and downlink link relation.
The XML import means that the original line basic data is stored in XML (system data), and data needs to be imported from XML into the tool.
The export to XML means that the divided line segment data needs to be stored in XML (system data).
The uplink and downlink link relation of the line sections represents a recognizable and easily-described uplink and downlink relation of the line sections.
Compared with the prior art, the CBTC system line section dividing tool provided by the invention has the advantages that the basic data of the CBTC system line is imported into the tool, the line section dividing rule needing to be carried out is manually selected, the line basic data corresponding to the relevant dividing rule is verified, the line section data with the uplink and downlink link relation and finally calculated by the tool is stored in the system data XML, the length of the divided line section is proper, and the requirements of each subsystem can be met; the divided line section data can completely cover the whole line, and the uniqueness and the accuracy of the line section data are ensured; aiming at a large-scale CBTC system project, a tool can be used for rapidly dividing line sections, the labor cost is reduced, the line section dividing efficiency is improved, and the communication, the design and the development of each subsequent subsystem are facilitated by using the divided line sections; aiming at differentiated CBTC system projects, different line section division rules can be selected according to different line requirements, or line section division rules are added, line sections meeting the CBTC system projects are obtained through division, and the differentiated requirements of different projects are met.
Claims (10)
1. A CBTC system line section dividing method is characterized by comprising the following steps:
reading a signal plane graph, namely, reading the starting ends and the terminal ends of all lines in the signal plane graph as initial boundaries to divide a plurality of initial line sections, wherein the signal plane graph comprises kilometer posts, axle counting points, turnout switch points, turning-back areas, platform boundaries, signal machines and ZC signal areas of the lines;
a line section boundary determining step, in which an axis counting point of a line contained in each initial line section in the signal plan reading step is read and used as a new boundary to divide the initial line sections to obtain a plurality of first-level line sections; reading turnout switch points of a line contained in the primary line section as a new boundary to divide the primary line section to obtain a plurality of secondary line sections, wherein any one secondary line section cannot contain more than 1 turnout switch point at the same time; then, continuously reading the starting end and the terminal end of a return area of the line contained in the secondary line section as new boundaries to divide the secondary line section to obtain a plurality of tertiary line sections; continuously dividing a three-level line section which comprises a platform and does not have a shaft counting, a turnout switch and a line starting terminal within a set distance range by taking the boundary of the platform as a new boundary to obtain a plurality of four-level line sections, and directly compiling other three-level line sections which do not comprise the platform into four-level line sections;
a line section dividing step, if the four-level line section obtained in the line section boundary determining step has N equidirectional signal machines, dividing the line section into N line sections X according to the standard with the minimum length differencenEach line section XnOnly contains 1 equidirectional signal machine, wherein N ≧ 2; if the four-stage line section is located in the ZC signal zone and on the boundary of the ZC signal zone and the four-stage line section is connected with a turnout fork, the four-stage line section is divided into 2 line sections X with equal lengthn；
A line segment adjusting step of dividing the line segment into the plurality of line segmentsSegment XnAnd if the Length exceeds the set threshold Length, dividing the line section into a plurality of final line sections according to the threshold Length, and outputting the line sections as the division result of the line sections.
2. The CBTC system line segment dividing method as claimed in claim 1, wherein: the line segment adjusting step, specifically, the line segment XnDividing into N final line sections of equal Length and less than Length if the N line sections XnThe lengths of the first N-1 line sections are the value obtained by dividing the length of the initial line section by N, and the last length is the remaining value.
3. The CBTC system line segment dividing method as claimed in claim 1, wherein: the signal plane diagram corresponds to a subway line, the subway line is composed of a plurality of lines, the lines comprise an uplink line, a downlink line, a lateral line, a crossover line and the like, the signal plane diagram comprises signal equipment and parameters related to a signal machine, a turnout, a counting shaft, a platform, a kilometer post and the like, all starting ends, terminal ends and boundary points in the signal plane diagram are positioned through a kilometer meter, and the starting ends and the terminal ends refer to the starting end points and the ending end points of each line.
4. The CBTC system line segment dividing method as claimed in claim 1, wherein: the starting end and the terminal end of the turn-back area refer to the starting endpoint and the ending endpoint of the turn-back area.
5. The CBTC system line segment dividing method as claimed in claim 1, wherein: the method also comprises a step of establishing an uplink and downlink link relation of the line section, specifically:
positioning an upstream adjacent line section, which refers to an adjacent line section in the positioning direction of the conventional upstream direction of the final line section;
positioning downlink adjacent line sections, which means adjacent line sections in the conventional downlink direction positioning direction of the final line section;
a reversed upstream adjacent line section, which refers to an adjacent line section in the normal upstream direction reversed direction of the final line section;
a down-set adjacent line section, which is an adjacent line section in the up-set direction of the normal down-set direction of the final line section.
6. The CBTC system line segment dividing method as claimed in claim 5, wherein: specifically, when the final link section is not directly connected to the switch point of the switch and when the final link section is directly connected to the switch point of the switch in the positioning position or the inverted position, the final link section adjacent to the final link section in the normal upstream direction of the same link is the upstream adjacent link section in the positioning direction of the final link section.
7. The CBTC system line segment dividing method according to claim 5 or 6, wherein: specifically, when the final link section is not directly connected to the switch point of the switch and when the final link section is directly connected to the switch point of the switch at the positioning position or the inverted position, the final link section adjacent to the final link section in the normal downward direction of the same link is the downward adjacent link section in the positioning direction of the final link section.
8. The CBTC system line segment dividing method according to claim 5 or 6, wherein the inverted upstream adjacent line segment, specifically, when the final line segment is located at a location where a switch point is directly connected and the switch inverted position direct connection line has a final line segment in a normal upstream direction, the inverted upstream final line segment of the switch inverted position direct connection line is the inverted upstream adjacent line segment of the final line segment at the switch point location; if the straight line at the reverse position of the turnout has no final line section in the upstream direction, the final line section has no reverse upstream adjacent line section.
9. The CBTC system line segment dividing method according to claim 5 or 6, wherein the inverted downstream adjacent line segment, specifically, when the final line segment is located at a location where a switch point is directly connected and the switch inverted downstream direct-connected line has a final line segment in a normal downstream direction, the inverted downstream final line segment of the switch inverted downstream direct-connected line is an inverted downstream adjacent line segment of the final line segment at the switch point location; and if the straight-connected line at the reverse position of the turnout does not have the final line section in the downlink direction, the final line section does not have the reverse downlink adjacent line section.
10. A CBTC system line segment dividing tool is characterized in that: the system comprises a data import and export module, a division rule selection module and a rule calculation module;
the data import and export module is used for importing the original line basic data corresponding to the signal plane diagram into a tool from XML and exporting the divided line section data into XML;
the dividing rule selection module is used for displaying the line section dividing rule in an interface and selecting a proper line section dividing rule for subsequent line section dividing calculation according to the requirement;
and the rule calculation module is used for calculating the division of the line sections and generating popular and easily understood line section data with an uplink and downlink link relation.
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| CN202110786954.XA CN113371040B (en) | 2021-07-13 | 2021-07-13 | Subway CBTC system line section dividing method and tool |
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