CN116039734A

CN116039734A - Train screening method, system, equipment and storage medium of TACS (traffic control system)

Info

Publication number: CN116039734A
Application number: CN202211603707.2A
Authority: CN
Inventors: 徐海贵; 汪小勇; 凌小雀; 高�豪; 冯玮
Original assignee: Casco Signal Ltd
Current assignee: Casco Signal Ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-05-02

Abstract

The invention relates to a train screening method, a system, equipment and a storage medium of a TACS system, wherein the method realizes the confirmation of the train occupation state of a line section in the modes of automatic train screening and manual train screening, the automatic train screening is carried out on a positive line section through a communication train, and the manual train screening is carried out on a non-positive line section in the mode of confirming a centralized dispatching authorization by adopting a local operator button. Compared with the prior art, the invention has the advantages of greatly reducing the quantity of the equipment beside the system rail, the construction cost and the maintenance workload, shortening the period of old line reconstruction and new line construction, improving the competitiveness and the flexibility of the system and the like.

Description

Train screening method, system, equipment and storage medium of TACS (traffic control system)

Technical Field

The present invention relates to a train signal control system, and in particular, to a train screening method, system, device and storage medium for a TACS system.

Background

Compared with the traditional CBTC system, the train autonomous operation system (TACS system) based on train-to-train communication takes a train as a core, and the train autonomously calculates the movement authorization, and the TACS system essentially transfers the trackside core control function of the traditional CBTC system to the train, so that the system architecture is optimized, and meanwhile, the quantity of trackside equipment is reduced, so that the equipment maintenance workload is obviously reduced.

However, since the TACS system does not use the conventional secondary detection device as the train occupancy detection, the TACS system lacks an efficient way to safely and reliably learn about the occupancy of the train on the line section, so in the TACS system, how to screen the train on the line is a huge challenge.

In the traditional CBTC system, the screening of a degraded train or a non-communication train depends on the detection of the track occupation to a large extent, the main track occupation detection means comprise a track circuit and a metering shaft based on an electromagnetic induction technology, but the installation process of the secondary detection equipment is complex, a large number of cables are required to be arranged, the construction cost and the maintenance cost are high, and in addition, the secondary detection equipment has the problem that the correct screening cannot be completed due to the self-fault;

the retrieved China patent publication No. CN114454923A discloses a train screening method and system based on an autonomous operation control mode, wherein the method comprises the following steps: the current train vehicle-mounted equipment obtains axle counting state information from a turnout controller; the current train vehicle-mounted equipment obtains the position information of other trains from other train vehicle-mounted equipment and a turnout controller; and the current train vehicle-mounted equipment combines the axle counting state information and the position information of other trains to finish screening of the current train. Aiming at the problems that the screening and judging functions of the current urban rail transit trains relate to a plurality of equipment links and the information transmission judging speed is low, so that the efficiency of moving blocking tracking is reduced after the trains are screened, the functions are redistributed, the combination of various mechanisms is realized, the communication transmission is reduced, the autonomous judging control capability of the vehicle-mounted equipment is improved, and the method can also be used for an autonomous running control mode of the trains. However, the existing patent still relies on axle counting equipment to perform train screening, so in a TACS system, how to design a train screening technology which does not depend on traditional secondary detection equipment becomes a technical problem to be solved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a train screening method, a train screening system, train screening equipment and a train screening storage medium of a TACS system.

The aim of the invention can be achieved by the following technical scheme:

according to a first aspect of the invention, a train screening method of a TACS system is provided, the method realizes the confirmation of train occupation state of a line section by means of automatic train screening and manual train screening, the automatic train screening is carried out on a positive line section by means of a communication train, and the manual train screening is carried out on a non-positive line section by means of confirming a centralized dispatching authority by means of a local operator button.

As a preferred embodiment, the non-positive line section comprises a crossover, a storage line or a vehicle section area.

As a preferred technical solution, the method specifically comprises the following steps:

step S101, after the power-on or restarting of the trackside resource manager WRC is completed, performing electrolytic lock on the WRC through a WRC initialization command;

step S102, the WRC judges the train occupation state of the whole line section, if the line section does not have the unknown train occupation state, the line screening is considered to be successful, otherwise, the step S103 is executed;

step S103, automatic train screening is carried out, and step S104 is executed;

step S104, after finishing the automatic train screening of the line, judging whether an unknown train occupation section exists or not, if yes, executing step S105; otherwise, the line screening is considered to be successful;

step S105, manual train screening is performed.

As a preferable technical solution, in the step S101, the WRC is electrolytically locked to ensure that the WRC works normally, and normal intrusion detection can be performed, so that the situation that the train intrudes into the signal area during the screening of the line section is monitored.

As a preferable technical solution, the WRC in step S102 sends the train occupancy status of the all-line section to the ATS for display.

As a preferable technical solution, the specific process of automatic train screening in step S103 is as follows:

step S1031, calculating that unknown train occupation exists in a line by the WRC, and providing unknown train occupation information for the ATS;

step S1032, the ATS displays the unknown train occupation line section information to the dispatching terminal;

step S1033, the dispatching terminal decides to send train screening operation tasks to the train controller xTC according to the displayed occupation information;

step S1034, the ATS sends the screened running task to xTC;

step S1035, xTC applies for line resources according to the received task;

step S1036, WRC allocates line resources to xTC;

step S1037, xTC calculates a movement authorization path and sends the movement authorization path to the ATS;

step S1038, ATS displays the running path resource information to the dispatching terminal;

step S1039, the dispatching terminal authorizes a driver to manually drive the train according to the resources applied by the train, and performs line section screening;

step S10310, the driver manually drives the train according to the dispatching instruction;

step S10311, xTC provides location information to the WRC in real time according to the location thereof;

step S10312, the WRC screens the line sections according to the position information provided by xTC;

in step S10313, the ATS confirms whether the line segment is completed with the screening process according to the screening result.

In the step S10312, when the automatic screening condition of the section or the automatic screening area where the physical position of the train passes is satisfied, it is considered that the corresponding section has no unknown train occupation.

As a preferred technical solution, the specific process of artificial train screening in step S105 is as follows:

step S1051, the WRC calculates that the unknown train occupation exists in the line, and provides the unknown train occupation information for the ATS;

step S1052, the ATS displays the unknown train occupation line section information to the dispatching terminal;

step S1053, the dispatching terminal authorizes and informs a local operator to manually confirm whether an unknown train exists in the line section according to the displayed occupation information;

step S1054, when the local operator confirms that no unknown train occupies the manual screening area and no unknown train enters, the local operator presses a trackside confirm button;

step S1055, OC collects screening button information and sends the screening button information to the WRC;

step S1056, after the WRC collects the manual screening button, the WRC sends the confirmation information of the manual screening area to the ATS;

step S1057, the ATS prompts the dispatching terminal to carry out manual screening confirmation on the interface;

step S1058, the dispatching terminal confirms on the ATS interface;

step S1059, the ATS sends scheduling confirmation information to the WRC;

step S10510, the WRC completes the screening treatment of the manual screening area;

step S10511, ATS displays screening success information;

step S10512, the dispatching terminal confirms that the screening is successfully completed.

When the length of the crossover does not meet the requirement of being configured as an automatic screening area, the corresponding turnout section is configured as an artificial screening area, and whether an unknown train exists in the section is confirmed manually.

According to a second aspect of the present invention, there is provided a system for a train screening method of the TACS system, the system comprising a trackside resource manager WRC, a train controller xTC, a target controller OC, a train automatic monitoring system ATS, an intelligent operation and maintenance system IOM, a train intrusion detection system TID and a screening button CZB;

the trackside resource manager WRC is respectively in communication connection with a train controller xTC, a target controller OC, a train automatic monitoring system ATS and an intelligent operation and maintenance system IOM, the target controller OC is respectively in communication connection with a train intrusion detection system TID and a screening button CZB, and the train automatic monitoring system ATS is in communication connection with a train controller xTC.

As a preferable technical solution, the ATS sends a line screening operation task to the train controller xTC according to the need of train screening, and the train controller xTC applies for resources to the trackside resource manager WRC; the WRC occupies the display to the ATS transmission line section, and the ATS sends a scheduled manual screening command to the WRC.

As a preferred technical solution, the local operator confirms whether the section exists in the unknown train through the screening button CZB and sends the section to the target controller OC; the OC sends button information to the WRC.

As an optimal technical scheme, the train intrusion detection system TID detects whether a train illegally intrudes into a signal area.

As an preferable technical scheme, the intelligent operation and maintenance system IOM displays the working state of the TACS device.

According to a third aspect of the present invention there is provided an electronic device comprising a memory and a processor, the memory having stored thereon a computer program, the processor implementing the method when executing the program.

According to a fourth aspect of the present invention there is provided a computer readable storage medium having stored thereon a computer program which when executed by a processor implements the method.

Compared with the prior art, the invention has the following advantages:

1) Under the condition that secondary detection equipment such as a metering shaft or a track circuit is not required to be arranged, the screening of the whole line section is completed in an automatic screening and manual confirmation mode of a communication train, the dependence on the traditional secondary detection equipment is eliminated, the number of the equipment beside a system track, the construction cost and the maintenance workload are greatly reduced, the period of old line transformation and new line construction is shortened, and the competitiveness and the flexibility of the system are improved.

2) The invention comprises two modes of automatic train screening and manual screening, wherein the automatic screening is rapidly carried out on a main line through a communication train, and for special sections such as complex cab apron, storage line or vehicle section, the rapid train screening can be carried out by using a mode of confirming a local operator button and center dispatching authorization, and the train screening function of all sections of the line can be conveniently completed by complementation of 2 modes, so that the means diversity and the operability of the train screening of a TACS system are ensured;

3) The invention designs a train illegal intrusion detection system, which ensures that if a train intrudes into a signal area illegally when the WRC works normally, the train illegal intrusion detection system can be used for detecting the train illegal intrusion signal area, so as to know whether an unknown train intrudes into a line currently; when the fact that an illegal train runs into the line is confirmed, the train is restarted or the line section is blocked and canceled, after the train is recovered to be positioned, the system can automatically complete train screening according to the position information of the trains on all the lines without manual screening operation, the train screening efficiency of the TACS system is ensured, and the TACS system has quick fault recovery capability.

Drawings

FIG. 1 is a block diagram of a TACS system for train screening;

FIG. 2 is a schematic diagram of a train screening method workflow of the TACS system;

FIG. 3-1 is a schematic diagram of an automatic screening zone arrangement of a TACS system;

FIG. 3-2 is a schematic illustration of an arrangement of an automatic screening zone of a TACS system;

3-3 are schematic diagrams of an automatic screening zone arrangement of a TACS system;

FIG. 4 is a layout of a manual screening area of the TACS system;

FIG. 5 is a schematic diagram of a train screening interface information of the TACS system;

FIG. 6-1 is a schematic diagram of a train autoscreening workflow of a TACS system;

fig. 6-2 is a schematic diagram of a manual screening workflow of a TACS system train.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

The TACS system realizes the confirmation of the train occupation state of the line section by means of automatic train screening and manual train screening. After the WRC is powered on successfully, the WRC is powered on through a WRC initialization command, so that the WRC can work normally, normal intrusion detection can be executed, and the condition of illegal intrusion of a train into a signal area is monitored during screening of a line section; and then determining whether to perform train automatic screening operation according to the line section occupation state provided by the WRC, and if the unknown train occupation section exists in some special sections after the automatic screening operation is completed, performing manual screening operation to realize the process of train screening of all the line sections.

As shown in fig. 2, the present invention specifically includes the following steps:

step S103, automatic train screening is carried out, and step S104 is executed;

step S105, manual train screening is performed.

As shown in fig. 3-1, for a track section of a rail car bumper connection, an automatic screening zone may be configured, and when the distance L of the minimum head of the communication train T1 from the rail car bumper is smaller than the minimum track length of the line, the track section may be automatically screened out; as shown in fig. 3-2, for the signal boundary, if a train illegal intrusion detection device is arranged, when the turnout inverted track section is smaller than the minimum train length of the line, the section can be configured as an automatic screening area, and when the communication train T1 passes through the turnout P1, the inverted track section of the turnout P1 can be automatically screened out; as shown in fig. 3-3, when the length of the single crossover is less than the minimum length of the line + the length of the side impact zone, then the crossover track section may be configured as an automatic screening zone, and when the communication train T1 is positioned through switch P3 and the train T2 is positioned through switch P5, then the crossover track section may be automatically screened out.

As shown in fig. 4, when the length of the crossover does not meet the requirement of the automatic screening area, in order to rapidly screen the trains of the line section, the switch section may be configured as an artificial screening area, and whether an unknown train exists in the section is confirmed manually.

The manual screening interface information schematic diagram of the train of the TACS system is shown in fig. 5, and mainly relates to interfaces among subsystems such as a trackside resource manager WRC, a train controller xTC, a target controller OC, a train automatic monitoring system ATS, an intelligent operation and maintenance system IOM, a train intrusion detection system TID, a screening button CZB and the like; after the system is powered on successfully, the ATS sends a running task of line screening to the train controller xTC according to the need of train screening; the train controller xTC applies for resources to the trackside resource manager WRC; the WRC occupies and displays the ATS transmission line section, and the ATS sends a scheduled manual screening command to the WRC; the local operator confirms whether the section exists in an unknown train through a screening button CZB and sends the section to the target controller OC; the OC sends the button information to the WRC; the train intrusion detection system detects whether a train illegally intrudes into the signal area; the intelligent operation and maintenance system IOM can display the working state of the TACS equipment; through information interaction among all subsystems, the TACS system can realize screening treatment of the train;

train screening interface information of the TACS system is shown in table 1:

TABLE 1

Interface	Transmitting information
			①	Screening task for ATS to train controller xTC
②	xTC apply for line resources to WRC for screening operations
		③	Line segment occupancy status sent by WRC to ATS
④	Manual screening authorization command sent by ATS to WRC
		⑤	Local operator presses filter button status information
⑥	Screening button status information
		⑦	Illegal intrusion detection information of train
⑧	TACS system device operational status information

The train autofilter workflow of the TACS system is shown in FIG. 6-1, and the autofilter workflow is as follows:

step S1034, the ATS sends the screened running task to xTC;

step S1035, xTC applies for line resources according to the received task;

step S1036, WRC allocates line resources to xTC;

step S10312, the WRC screens the line sections according to the position information provided by xTC, and when the section or automatic screening area automatic screening condition of the physical position of the train is met, the corresponding section is considered to have no unknown train occupation;

The train automatic screening workflow of the TACS system is shown in fig. 6-2, and the manual screening workflow is as follows:

step S1058, the dispatching terminal confirms on the ATS interface;

step S1059, the ATS sends scheduling confirmation information to the WRC;

step S10511, ATS displays screening success information;

The foregoing description of the embodiments of the method further describes the embodiments of the present invention through system embodiments.

As shown in fig. 1, the train autonomous operation system (TACS system) based on the train-to-train communication mainly includes a trackside resource manager WRC, a trackside train controller WTC, a target controller OC, a train automatic monitoring system ATS, a vehicle-mounted controller CC, an intelligent operation and maintenance system IOM, and a train intrusion detection system TID. The ATS subsystem of the automatic train monitoring system is responsible for supervising and controlling the operation of the train and has the functions of train tracking operation, alarming and event reporting, operation adjustment, operation control and the like; the trackside resource manager WRC is responsible for the functions of line resource allocation and recovery, train line section occupation management and the like; the trackside train controller WTC is mainly responsible for managing and tracking a fault train, taking over the fault train to apply and release resources, and interacting with an adjacent train; the target controller OC mainly realizes the collection and driving of the states of the trackside equipment, and comprises the collection of the states of manual screening buttons beside the track; the vehicle-mounted controller CC performs line resource request and release according to a plan, and actively performs train control, so as to realize a train safety protection function and a train automatic driving function; the train intrusion detection system TID is mainly used for detecting whether a train illegal intrusion signal area exists at the entrance of the TACS signal area; the intelligent operation and maintenance system IOM is mainly responsible for monitoring the working state of the equipment and providing an alarm for maintenance personnel;

it will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the described modules may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.

The electronic device of the present invention includes a Central Processing Unit (CPU) that can perform various appropriate actions and processes according to computer program instructions stored in a Read Only Memory (ROM) or computer program instructions loaded from a storage unit into a Random Access Memory (RAM). In the RAM, various programs and data required for the operation of the device can also be stored. The CPU, ROM and RAM are connected to each other by a bus. An input/output (I/O) interface is also connected to the bus.

A plurality of components in a device are connected to an I/O interface, comprising: an input unit such as a keyboard, a mouse, etc.; an output unit such as various types of displays, speakers, and the like; a storage unit such as a magnetic disk, an optical disk, or the like; and communication units such as network cards, modems, wireless communication transceivers, and the like. The communication unit allows the device to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.

The processing unit performs the respective methods and processes described above, for example, the methods S101 to S105. For example, in some embodiments, methods S101-S105 may be implemented as a computer software program tangibly embodied on a machine-readable medium, such as a storage unit. In some embodiments, part or all of the computer program may be loaded and/or installed onto the device via the ROM and/or the communication unit. When the computer program is loaded into RAM and executed by the CPU, one or more steps of the methods S101 to S105 described above may be performed. Alternatively, in other embodiments, the CPU may be configured to perform methods S101-S105 by any other suitable means (e.g., by means of firmware).

The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like.

Program code for carrying out methods of the present invention may be written in any combination of one or more programming languages. These program code may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus such that the program code, when executed by the processor or controller, causes the functions/operations specified in the flowchart and/or block diagram to be implemented. The program code may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.

In the context of the present invention, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. The machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.

Claims

1. The train screening method of the TACS system is characterized in that the method realizes the confirmation of the train occupation state of the line section by adopting an automatic train screening mode and a manual train screening mode, the automatic train screening is carried out on the positive line section by adopting a communication train, and the manual train screening is carried out on the non-positive line section by adopting a mode of confirming the centralized dispatching authorization by adopting a local operator button.

2. The method of claim 1, wherein the non-positive line segment comprises a crossover, a storage line, or a vehicle segment area.

3. The train screening method of a TACS system according to claim 1, wherein said method specifically comprises the steps of:

step S103, automatic train screening is carried out, and step S104 is executed;

step S105, manual train screening is performed.

4. A train screening method according to claim 3, wherein in step S101, the WRC is electrolytically locked to ensure that the WRC works normally, and normal intrusion detection can be performed, and the condition of illegal intrusion of the train into the signal area is monitored during screening of the train section.

5. A train screening method according to claim 3, wherein the WRC in step S102 sends the train occupancy status of the all-line section to the ATS for display.

6. A train screening method according to claim 3, wherein the specific process of automatic train screening in step S103 is as follows:

step S1034, the ATS sends the screened running task to xTC;

step S1035, xTC applies for line resources according to the received task;

step S1036, WRC allocates line resources to xTC;

7. The method according to claim 6, wherein in step S10312, when the automatic screening condition of the section or the automatic screening area where the physical location of the train passes is satisfied, the corresponding section is considered to have no unknown train occupation.

8. The train screening method of the TACS system according to claim 3, wherein the manual train screening in step S105 specifically comprises the following steps:

step S1058, the dispatching terminal confirms on the ATS interface;

step S1059, the ATS sends scheduling confirmation information to the WRC;

step S10511, ATS displays screening success information;

9. The train screening method of a TACS system according to claim 2, wherein when the length of the crossover does not meet the requirement of being configured as an automatic screening area, the corresponding switch section is configured as an artificial screening area, and whether an unknown train exists in the section is confirmed by a person.

10. A system for the train screening method of the TACS system of claim 1, characterized in that the system comprises a trackside resource manager WRC, a train controller xTC, a target controller OC, a train automatic monitoring system ATS, an intelligent operation and maintenance system IOM, a train intrusion detection system TID and a screening button CZB;

11. The system of claim 10, wherein the ATS sends the line screening operational tasks to a train controller xTC according to the need for train screening, the train controller xTC applying for resources to a trackside resource manager WRC; the WRC occupies the display to the ATS transmission line section, and the ATS sends a scheduled manual screening command to the WRC.

12. The system of claim 10, wherein the local operator confirms whether the zone is present in the unknown train by screening button CZB and sends it to the target controller OC; the OC sends button information to the WRC.

13. The system of claim 10, wherein the train intrusion detection system TID detects whether there is an illegal intrusion of a train into the signal area.

14. The system of claim 10, wherein the intelligent operation and maintenance system IOM displays an operating state of a TACS device.

15. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, characterized in that the processor, when executing the program, implements the method according to any of claims 1-9.

16. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method according to any one of claims 1-9.