CN117892400A - Method and system for modeling relation of key driving equipment based on station yard plan - Google Patents

Abstract

The invention provides a key driving equipment relation modeling method and system based on a station yard plan, wherein the method comprises the following steps: establishing a basic model of key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment; and respectively establishing mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment. According to the invention, the key driving equipment and the relation model thereof are automatically constructed through the coordinate relation of the driving equipment in the station yard plan, so that a great amount of labor cost is saved.

Description

Method and system for modeling relation of key driving equipment based on station yard plan

Technical Field

The invention belongs to the technical field of rail transit, and particularly relates to a key driving equipment relationship modeling method and system based on a station yard plan.

Background

The key driving equipment of railway signal mainly includes: the stock way, the non-bifurcation section, the occlusion section, the turnout, the annunciator, the indicator lights and the like have a logic relationship between signal devices. As shown in fig. 1, the blocking section of the section traffic signal guard named 0324 is 0324G, and the blocking section 0324G is the guard section of the 0324 section traffic signal. When the 0324G state is occupied, the color of the 0324 interval annunciator should be red to indicate that other vehicles are forbidden to enter the 0324G section, so that the driving safety of the train is ensured. Therefore, the establishment of the railway signal key driving equipment model is the basis for realizing other logic operation, train tracking and other functions.

At present, railway signal key driving equipment, real-time state, operation interfaces and the like are usually presented in a station yard plan mode, and a system using the station yard plan mainly comprises an interlocking system, a CTC (centralized traffic control system, a dispatching centralized system) system, other dispatching information systems and the like. Although the coordinate position of the key driving equipment in the yard plan can be obtained by analyzing the description file of the yard plan, and the yard plan is drawn, due to the lack of a relation model among the key driving equipment, logic processing cannot be performed, and only the most basic interface display can be performed. So at present, all systems, such as an interlocking system, a CTC system and the like draw a station yard plan by adopting a manual mode through a drawing tool, and manually establish an equipment relation model.

How to realize automatic and efficient modeling of the relation of key driving equipment is a technical problem to be solved in the field.

Disclosure of Invention

Aiming at the problems, the invention provides a key driving equipment relation modeling method based on a station yard plan, which comprises the following steps:

establishing a basic model of key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment;

and respectively establishing mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

Further, establishing the basic model of the key driving equipment comprises analyzing a station yard plan description file, and determining basic model information of the key driving equipment, wherein the basic model information comprises equipment identification, station codes and equipment types;

establishing a key driving equipment position model comprises analyzing a station yard plan description file, and determining key driving equipment position model information comprising equipment identifiers, namely equipment identifiers and corresponding graphic primitive information; the primitive information comprises primitive key point types, primitive direction information, primitive key point sequence numbers, X-axis starting coordinates and Y-axis starting coordinates.

Further, establishing the mapping relation model of the different types of equipment comprises establishing a mapping relation model of a train number window:

determining a mapping relation between the track equipment and the train number window equipment according to the basic model and the position model of the key driving equipment;

and determining the mapping relation between the equipment without the bifurcation section and the occlusion section and the train number window according to the basic model and the position model of the key driving equipment.

Further, establishing the mapping relation model of the train number window comprises the following steps:

acquiring a train number window set, a stock road set, a bifurcation-free zone and an occlusion zone set;

sequentially taking out the information of each track equipment from the track set, wherein the type of the track equipment graphic primitive is a straight line, and the type of the train number window equipment graphic primitive is a rectangle; and comparing the retrieved information of the track equipment primitives with each of the number of train time window equipment primitives in the number of train time window sets, and if the track equipment primitives have 2 intersection points with the number of train time window equipment primitives, establishing a mapping relation between the number of train time windows and the track.

Further, establishing the mapping relation model of the train number window comprises the following steps:

sequentially taking out the information of each device to be processed from the bifurcation-free zone and the occlusion zone set;

comparing the extracted non-bifurcation section and occlusion section equipment graphic element with the center point of each vehicle number window graphic element in the vehicle number window set, and if the X-axis coordinate of the center point of the vehicle number window is in the range of the X-axis of the non-bifurcation section and occlusion section graphic element and the distance between the center point of the vehicle number window graphic element and the non-bifurcation section and occlusion section equipment graphic element is in the appointed threshold range, establishing the mapping relation between the vehicle number window equipment and the non-bifurcation section and occlusion section equipment;

the device graphic element types of the bifurcation-free section and the blocking section are straight lines, and the device graphic element types of the train number window are rectangles.

Further, establishing the mapping relation model of the different types of equipment comprises establishing a position relation model of the driving section, and the method comprises the following steps: the position relationship among the stock way, the no-branch section, the blocking section and the turnout equipment is determined.

Further, establishing the position relation model of the driving section includes:

acquiring a stock track set, a turnout-free section set, an occlusion section and a turnout set;

according to the direction of the station yard plan and the equipment coordinates, calculating the end points and the end point types of equipment in the set, wherein the end point types of the stock way, the bifurcation free section and the blocking section comprise a front end point and a rear end point, and the end point types of the turnout equipment comprise a bifurcation front end point, a positioning end point and an inversion end point;

and sequentially taking out each piece of equipment information from the set, comparing the piece of equipment information with other pieces of equipment information except the piece of equipment information in the set, and if the coordinate positions of the end points and the end points of other pieces of equipment overlap or are within a specified threshold range, establishing a position relation between the two pieces of equipment, wherein the position relation comprises two pieces of associated equipment information and the relation type between the two pieces of equipment.

Further, establishing the mapping relation model of the different types of equipment comprises establishing a section type relation model, including:

determining the mapping relation between the annunciator equipment and the stock way, the bifurcation-free zone, the blocking zone and the turnout equipment;

and determining the mapping type as a protection zone or a proximity zone according to the mapping relation.

Further, establishing a section type relationship model, including:

acquiring a signal set, a stock track set, a turnout-free section set, a blocking section set and a turnout set;

calculating equipment endpoints in a stock way, a bifurcation free zone, an occlusion zone and a turnout set according to the equipment coordinate information;

and sequentially taking out the information of each annunciator device from the annunciator set, comparing the information with the device endpoints in the stock track set, the non-bifurcation zone set, the blocking zone set and the turnout set, and if the coordinates of the annunciator graphic primitive and the device endpoints are in a specified threshold range, establishing a mapping relation between the annunciator and the device.

Further, the device for establishing the mapping relation takes the endpoint close to the annunciator as a starting point, other endpoints as end points, calculates the angle between the device graphic element and the X axis, and if the angle is consistent with the direction of the annunciator, the mapping type is a protection section, otherwise, the mapping type is a close section.

The invention also provides a key driving equipment relation modeling system based on the station yard plan, which comprises the following steps:

the first model building module is used for building a basic model of the key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment;

the second model building module is used for building mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

Further, the second model building module includes a train number window mapping relation unit, configured to build a train number window mapping relation model:

determining a mapping relation between the track equipment and the train number window equipment according to the basic model and the position model of the key driving equipment;

and determining the mapping relation between the equipment without the bifurcation section and the occlusion section and the train number window according to the basic model and the position model of the key driving equipment.

Further, the second model building module includes a position relation mapping unit, configured to build a position relation model of the driving section, including: the position relationship among the stock way, the no-branch section, the blocking section and the turnout equipment is determined.

Further, the second model building module includes a section type mapping unit for a section type relationship model, including:

determining the mapping relation between the annunciator equipment and the stock way, the bifurcation-free zone, the blocking zone and the turnout equipment;

and determining the mapping type as a protection zone or a proximity zone according to the mapping relation.

According to the method and the system for modeling the relation of the key driving equipment based on the station yard plan, the key driving equipment and the relation model thereof are automatically constructed through the coordinate relation of the driving equipment in the station yard plan, so that a great amount of labor cost is saved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a partial yard plan view according to the prior art;

FIG. 2 shows a schematic diagram of key driving equipment relationship modeling method steps according to an embodiment of the invention;

FIG. 3 shows a schematic diagram of a critical driving equipment relationship modeling system according to an embodiment of the present invention.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The embodiment of the invention provides a key driving equipment relation modeling method based on a station yard plan, which is shown in fig. 2 and comprises the following steps:

and establishing a basic model of the key driving equipment and a position model of the key driving equipment according to the site plan description information. The key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing the position of a key driving equipment graphic element.

And respectively establishing mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

In the embodiment of the invention, the site plan description information is recorded in a mode of site plan files. The embodiment of the invention does not limit the storage mode of the site plan description information.

According to the station yard plan description information, the key driving equipment basic model establishment specifically comprises the following steps: analyzing the station yard plan description file and establishing a basic model of key driving equipment. The key driving equipment basic model information comprises equipment identification (equipment ID), station codes, equipment types (stock way, no-branch section, blocking section, train number window, turnout, outbound annunciator, inbound annunciator, section annunciator, shunting annunciator, alarm indicator lamp, receiving and transmitting direction indicator lamp, train control logic inspection start and stop indicator lamp and the like), equipment names, kilometer signs and the like.

Specifically, a key driving equipment position model is established according to the graphic element coordinate position information in the station yard plan description file. The key driving equipment position model information comprises equipment identification (equipment ID) and corresponding graphic primitive information. The primitive information includes primitive keypoint type, primitive direction information, primitive keypoint sequence number, X-axis (horizontal axis) start coordinate, Y-axis (vertical axis) start coordinate, X-axis end coordinate, Y-axis end coordinate, etc. For critical driving equipment switches, the primitive key point types comprise pre-switch, positioning and inversion; for the key driving equipment annunciators, the primitive key point types comprise a high column single lamp, a high column double lamp, a low column single lamp, a low column double lamp and the like. For the signaler, the primitive direction information includes 0 °, 45 °, 90 °, 135 °, and the like.

When the primitive is a line segment (e.g., strand, forkless segment, occlusion segment, etc.), the start and end coordinates are described by the X/Y axis; when the graphic element is a center point (such as a signal machine, an indicator light and the like), the ending coordinate of the X/Y axis is not filled in, and the starting coordinate of the ending coordinate of the X/Y axis is used as the coordinate information of the graphic element of the equipment.

The building of the mapping relation model of different types of equipment comprises the following steps: and establishing a mapping relation model of the train number window according to the basic model and the position model of the key driving equipment. The method specifically comprises the following steps:

acquiring a train number window set, a stock road set, a bifurcation-free zone and an occlusion zone set;

sequentially taking out the information of each track equipment from the track set, wherein the types of the track equipment graphic elements are straight lines; comparing the retrieved information of the track equipment primitives with each track window equipment primitive (with a rectangular type) in the track window set, and if the track equipment primitives and the track window equipment primitives have 2 intersection points, establishing a mapping relation between the track window and the track;

sequentially taking out the information of each device to be processed from the bifurcation-free zone and the occlusion zone set; wherein, the equipment graphic element types of the bifurcation free zone and the occlusion zone are straight lines. And comparing the extracted non-branch section and blocking section equipment graphic element with the center point of each vehicle number window graphic element (rectangle) in the vehicle number window set, and if the X-axis coordinate of the center point of the vehicle number window is in the range of the X-axis of the non-branch section and blocking section graphic element and the distance between the center point of the vehicle number window graphic element and the non-branch section and blocking section equipment graphic element is in the specified threshold range, establishing the mapping relation between the vehicle number window and the non-branch section and blocking section. The threshold range may be set according to plan view size and accuracy requirements.

The building of the mapping relation model of different types of equipment comprises the following steps: and establishing a position relation model of the driving section according to the basic model and the position model of the key driving equipment. The method specifically comprises the following steps:

acquiring a stock way, a bifurcation-free zone, an occlusion zone and a turnout set;

according to the direction of the station yard plan and the equipment coordinates, calculating the endpoints and the endpoint types of the equipment in the set, wherein the equipment in the non-bifurcation area: the endpoint types of the stock way, the non-bifurcation section and the occlusion section comprise a front endpoint and a rear endpoint, and the endpoint types of the turnout equipment comprise a bifurcation front endpoint, a positioning endpoint and a reversed endpoint;

and sequentially taking out each piece of equipment information from the set, comparing the piece of equipment information with other pieces of equipment information except the piece of equipment information in the set, and if the coordinate positions of the end points and the end points of other pieces of equipment are overlapped or are within a specified threshold range (for fault tolerance), establishing a position relation between the two pieces of equipment, wherein the position relation comprises two pieces of associated equipment information and the relation type between the two pieces of equipment. The positional relationship includes a front-rear relationship (front, rear) and a positioning-reversing relationship (fork front, positioning or reversing). The positional relationship between the non-branch area devices is described by the front-rear relationship. For example: a stock track 1, a front, a bifurcation free zone 1; no branch section 1, aft, track 1. The positional relationship of the non-turnout zone equipment and the turnout equipment comprises a front-back relationship and a positioning and reversing relationship. The azimuth relation is used for describing the front-back position relation of the equipment, and the positioning and reversing relation is used for describing the positioning and reversing state of the turnout and the position relation between the equipment and the equipment in the non-turnout area. For example: the positional relationship includes a device 1, a relationship type, a device 2. For example, when the rear end point of the track 1 overlaps the positioning end point of the switch 1 within a specified range, two positional relationships are generated, which are respectively: stock way 1, rear, switch 1; switch 1, location, stock track 1.

The building of the mapping relation model of different types of equipment comprises the following steps: and establishing a section type (mapping of the signal approaching section and/or the protection section) relation model according to the basic model and the position model of the key driving equipment.

Acquiring a signal set, a stock track, a bifurcation-free zone, an occlusion zone and a turnout set;

calculating equipment endpoints in a stock track, a bifurcation free zone, an occlusion zone and a turnout equipment set according to the equipment coordinate information;

sequentially taking out the information of each annunciator device from the annunciator set, comparing the information with the equipment endpoints in the stock way, the bifurcation-free zone, the blocking zone and the turnout set, and if the coordinates of the annunciator graphic element (the connection point of an annunciator lamp and a lamp post) and the equipment endpoints are in a specified threshold range, establishing a mapping relation between the annunciator and the equipment (annunciators and equipment participating in position comparison);

the device for establishing the mapping relation takes the end point close to the signal machine as a starting point (a coordinate system center point) and other end points as end points, calculates the angle with the X axis, and if the angle is consistent with the direction of the signal machine, the mapping type is a protection section, otherwise, the mapping type is a close section.

Based on the same inventive concept, the embodiment of the invention also provides a key driving equipment relationship modeling system based on a station yard plan, as shown in fig. 3, which comprises:

the first model building module is used for building a basic model of the key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment;

the second model building module is used for building mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

The second model building module comprises a train number window mapping relation unit and is used for building a train number window mapping relation model: determining a mapping relation between the track equipment and the train number window equipment according to the basic model and the position model of the key driving equipment; and determining the mapping relation between the equipment without the bifurcation section and the occlusion section and the train number window according to the basic model and the position model of the key driving equipment.

The second model building module further comprises a position relation mapping unit, which is used for building a position relation model of the driving section, and comprises the following steps: the position relationship among the stock way, the no-branch section, the blocking section and the turnout equipment is determined.

The second model building module further comprises a section type mapping unit for building a section type (mapping of the traffic signal approaching section and/or the guard section) relation model, comprising: determining the mapping relation between the annunciator equipment and the stock way, the bifurcation-free zone, the blocking zone and the turnout equipment; and determining the mapping type as a protection zone or a proximity zone according to the mapping relation.

The implementation of each module and unit of the key driving equipment relation modeling system based on the station yard plan according to the embodiment of the invention can be obtained according to the method embodiment, and is not repeated.

Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (14)

1. The key driving equipment relation modeling method based on the station yard plan is characterized by comprising the following steps of:

establishing a basic model of key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment;

and respectively establishing mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

2. The yard plan-based critical driving equipment relationship modeling method of claim 1, wherein,

establishing a basic model of the key driving equipment comprises analyzing a station yard plan description file, and determining basic model information of the key driving equipment, wherein the basic model information comprises equipment identification, station codes and equipment types;

establishing a key driving equipment position model comprises analyzing a station yard plan description file, and determining key driving equipment position model information comprising equipment identifiers, namely equipment identifiers and corresponding graphic primitive information; the primitive information comprises primitive key point types, primitive direction information, primitive key point sequence numbers, X-axis starting coordinates and Y-axis starting coordinates.

3. The yard plan-based key driving equipment relationship modeling method according to claim 1, wherein establishing a mapping relationship model of different types of equipment comprises establishing a mapping relationship model of a train number window:

determining a mapping relation between the track equipment and the train number window equipment according to the basic model and the position model of the key driving equipment;

and determining the mapping relation between the equipment without the bifurcation section and the occlusion section and the train number window according to the basic model and the position model of the key driving equipment.

4. The yard plan-based key driving equipment relationship modeling method of claim 3, wherein establishing a mapping relationship model of the train number window comprises:

acquiring a train number window set, a stock road set, a bifurcation-free zone and an occlusion zone set;

sequentially taking out the information of each track equipment from the track set, wherein the type of the track equipment graphic primitive is a straight line, and the type of the train number window equipment graphic primitive is a rectangle; and comparing the retrieved information of the track equipment primitives with each of the number of train time window equipment primitives in the number of train time window sets, and if the track equipment primitives have 2 intersection points with the number of train time window equipment primitives, establishing a mapping relation between the number of train time windows and the track.

5. The yard plan-based key driving equipment relationship modeling method of claim 3, wherein establishing a mapping relationship model of the train number window comprises:

sequentially taking out the information of each device to be processed from the bifurcation-free zone and the occlusion zone set;

comparing the extracted non-bifurcation section and occlusion section equipment graphic element with the center point of each vehicle number window graphic element in the vehicle number window set, and if the X-axis coordinate of the center point of the vehicle number window is in the range of the X-axis of the non-bifurcation section and occlusion section graphic element and the distance between the center point of the vehicle number window graphic element and the non-bifurcation section and occlusion section equipment graphic element is in the appointed threshold range, establishing the mapping relation between the vehicle number window equipment and the non-bifurcation section and occlusion section equipment;

the device graphic element types of the bifurcation-free section and the blocking section are straight lines, and the device graphic element types of the train number window are rectangles.

6. The yard plan-based key driving equipment relationship modeling method according to claim 1, wherein establishing a mapping relationship model of different types of equipment includes establishing a positional relationship model of driving sections, including: the position relationship among the stock way, the no-branch section, the blocking section and the turnout equipment is determined.

7. The yard plan-based key driving equipment relationship modeling method of claim 6, wherein building a driving section positional relationship model comprises:

acquiring a stock track set, a turnout-free section set, an occlusion section and a turnout set;

according to the direction of the station yard plan and the equipment coordinates, calculating the end points and the end point types of equipment in the set, wherein the end point types of the stock way, the bifurcation free section and the blocking section comprise a front end point and a rear end point, and the end point types of the turnout equipment comprise a bifurcation front end point, a positioning end point and an inversion end point;

and sequentially taking out each piece of equipment information from the set, comparing the piece of equipment information with other pieces of equipment information except the piece of equipment information in the set, and if the coordinate positions of the end points and the end points of other pieces of equipment overlap or are within a specified threshold range, establishing a position relation between the two pieces of equipment, wherein the position relation comprises two pieces of associated equipment information and the relation type between the two pieces of equipment.

8. The yard plan-based key driving equipment relationship modeling method of any one of claims 3-7, wherein building a mapping relationship model of different types of equipment comprises building a zone type relationship model, comprising:

determining the mapping relation between the annunciator equipment and the stock way, the bifurcation-free zone, the blocking zone and the turnout equipment;

and determining the mapping type as a protection zone or a proximity zone according to the mapping relation.

9. The yard plan-based key driving equipment relationship modeling method of claim 8, wherein establishing a section type relationship model comprises:

acquiring a signal set, a stock track set, a turnout-free section set, a blocking section set and a turnout set;

calculating equipment endpoints in a stock way, a bifurcation free zone, an occlusion zone and a turnout set according to the equipment coordinate information;

and sequentially taking out the information of each annunciator device from the annunciator set, comparing the information with the device endpoints in the stock track set, the non-bifurcation zone set, the blocking zone set and the turnout set, and if the coordinates of the annunciator graphic primitive and the device endpoints are in a specified threshold range, establishing a mapping relation between the annunciator and the device.

10. The yard plan-based key driving equipment relationship modeling method of claim 8 wherein,

and the equipment for establishing the mapping relation takes an endpoint close to the annunciator as a starting point, other endpoints as end points, calculates the angle between the equipment graphic element and the X axis, and if the angle is consistent with the direction of the annunciator, the mapping type is a protection section, otherwise, the mapping type is a close section.

11. A yard plan-based critical driving equipment relationship modeling system, comprising:

the first model building module is used for building a basic model of the key driving equipment and a position model of the key driving equipment according to the site plan description information; the key driving equipment basic model is used for describing basic information of key driving equipment, and the key driving equipment position model is used for describing primitive coordinate information of the key driving equipment;

the second model building module is used for building mapping relation models of different types of equipment according to the basic model of the key driving equipment and the position model of the key driving equipment, wherein the mapping relation models are used for describing the mapping relation between the key driving equipment.

12. The yard plan-based critical driving equipment relationship modeling system of claim 11, wherein the second model building module comprises a train number window mapping relationship unit for building a train number window mapping relationship model:

determining a mapping relation between the track equipment and the train number window equipment according to the basic model and the position model of the key driving equipment;

and determining the mapping relation between the equipment without the bifurcation section and the occlusion section and the train number window according to the basic model and the position model of the key driving equipment.

13. The yard plan-based critical driving equipment relationship modeling system of claim 12 wherein the second model building module comprises a positional relationship mapping unit for building a positional relationship model of the driving section, comprising: the position relationship among the stock way, the no-branch section, the blocking section and the turnout equipment is determined.

14. The yard plan-based critical driving equipment relationship modeling system of any of claims 11-13, wherein the second model building module comprises a zone type mapping unit comprising:

determining the mapping relation between the annunciator equipment and the stock way, the bifurcation-free zone, the blocking zone and the turnout equipment;

and determining the mapping type as a protection zone or a proximity zone according to the mapping relation.