CN117842144A - Computing system, method, equipment and medium for track resource initialization area - Google Patents
Computing system, method, equipment and medium for track resource initialization area Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000004140 cleaning Methods 0.000 claims abstract description 126
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- 238000012790 confirmation Methods 0.000 claims description 11
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- 238000004590 computer program Methods 0.000 claims description 8
- 238000013475 authorization Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000010408 sweeping Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
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Abstract
The invention relates to a computing system, a method, equipment and a medium of a track resource initialization area, wherein the system comprises the following components: the automatic train monitoring system ATS is used for sending a cleaning command of a dispatcher; the track side resource manager WRC is used for supervising an initialization area in a jurisdiction range and receiving a cleaning instruction from the ATS and cleaning data from the vehicle-mounted controller CC; and the vehicle-mounted controller CC is used for requesting the track-side resource manager WRC for the cleaning range of the current train and sending the cleaning result to the track-side resource manager WRC according to the train operation result. Compared with the prior art, the invention has the advantages of greatly reducing the dependence on train cleaning, avoiding the reduction of the line operation capability caused by train cleaning, and the like.
Description
Technical Field
The present invention relates to a train signal control system, and in particular, to a computing system, method, apparatus and medium for a track resource initialization area.
Background
The existing train autonomous operation system (Train Autonomous Control System, TACS for short) based on train-to-train communication can realize the autonomous trackside resource management and active safety interval protection of the train, effectively reduce the calculation load of ground equipment, optimize the train-to-ground communication process and improve the overall operation efficiency.
Unlike conventional CBTC (Communication Based Train Control System), in TACS, a train automatically applies for track resources to perform tasks, and conventional trackside equipment is no longer used for unified administration and allocation, so that a trackside resource manager (Wayside Resource Controller, WRC for short) needs to provide a safe and reliable "blank track area" for the train to apply for resources, and this blank track area is called an initialization area.
In order to realize the effective construction of the initialization area, a set of track resource initialization calculation method facing to TACS needs to be provided, and the action of calculating and constructing the initialization area is defined as cleaning. In the prior art, the problems of reduced line operation capability and the like caused by train cleaning exist.
Disclosure of Invention
The present invention is directed to a computing system, method, apparatus and medium for initializing an area for initializing track resources, which overcomes the above-mentioned drawbacks of the prior art.
The aim of the invention can be achieved by the following technical scheme:
according to a first aspect of the present invention there is provided a computing system for a track resource initialization region, the system comprising:
the automatic train monitoring system ATS is used for sending a cleaning command of a dispatcher;
the track side resource manager WRC is used for supervising an initialization area in a jurisdiction range and receiving a cleaning instruction from the ATS and cleaning data from the vehicle-mounted controller CC;
and the vehicle-mounted controller CC is used for requesting the track-side resource manager WRC for the cleaning range of the current train and sending the cleaning result to the track-side resource manager WRC according to the train operation result.
As a preferred technical solution, the system further comprises a trackside sweeping button, activated by trackside staff and sending activation information to the train automatic monitoring system ATS and trackside resource manager WRC.
According to a second aspect of the present invention there is provided a method of a computing system employing the track resource initialization region, the method comprising:
step S1, calculating the cleaned area range I, i=α, β, γ;
wherein the set alpha is a cleaned area obtained by a cleaning mode based on train operation, the set beta is a cleaned area obtained by a cleaning mode based on a track side cleaning button, and the set gamma is a cleaned area obtained by a cleaning mode based on a scheduling cleaning instruction;
step S2, obtaining a linear uninitialized region set NI, NI= (NI) 1 ,NI 2 ,NI 3 ,…,NI n ) =linear (S-I), where S is the jurisdiction of the trackside resource manager WRC, NI i For the ith object in the Linear uninitialized region set NI, linear is an operation symbol for carrying out linearization division on a nonlinear region;
step S3, cleaning judgment based on the minimum vehicle length is carried out, and the configuration length of the minimum vehicle length is assumed to be x;
if Length (NI) n )<x is NI n Belonging to the cleaned area, otherwise NI n Belonging to an uncleaned area;
step S4, calculating a final track resource initialization area I_total;
I_total＝α∪β∪γ∪δ
where the aggregate δ is the cleaned area obtained by the cleaning mode based on the minimum vehicle length.
As an preferable technical scheme, the cleaning mode based on train operation specifically comprises:
the vehicle-mounted controller CC of the trusted train requests the rail-side resource manager WRC for authorization of a section of to-be-cleaned area, a driver drives the train to pass through the to-be-cleaned area after the train obtains the authorization, the vehicle-mounted controller CC of the trusted train calculates the running range of the vehicle-mounted controller CC according to the positioning, namely the cleaned area of the trusted train, and the cleaned area is sent to the rail-side resource manager WRC.
As a preferred technical solution, the trusted train is a train that is in active communication with the trackside resource manager WRC.
As an optimal technical scheme, the driver drives the train to slowly and visually pass through the area to be cleaned according to the specified speed limit, and immediately takes braking operation if abnormal line conditions are met.
As an preferable technical scheme, the cleaning mode based on the trackside cleaning button specifically comprises:
manually confirming that no unknown train or intrusion foreign matters exist in the area to be cleaned by a trackside worker, and activating a trackside cleaning button, wherein cleaning button activation information is transmitted to an ATS (automatic train monitoring) and a trackside resource manager WRC;
after receiving the cleaning button activation information, a dispatcher sends a cleaning confirmation instruction to a trackside resource manager WRC through an automatic train monitoring system ATS after ensuring that no train reenters the area to be cleaned;
and the trackside resource manager WRC carries out cleaning judgment on the area to be cleaned according to the received cleaning button activation information and the cleaning confirmation instruction, and the area to be cleaned can be considered to be the cleaned area after the judgment is valid.
As an optimal technical scheme, the cleaning button beside the activated track ensures that the button activation time does not exceed the maximum activation allowable duration, otherwise, the cleaning judgment result is invalid.
As an preferable technical scheme, the track side resource manager WRC receives a cleaning confirmation instruction from the automatic train monitoring system ATS and should be in an activation period of the track side cleaning button, otherwise, the cleaning judgment result is invalid.
As a preferable technical solution, the cleaning mode based on the scheduling cleaning instruction specifically includes:
the dispatcher directly sends a dispatching cleaning instruction aiming at a specific area to the track side resource manager WRC through the automatic train monitoring system ATS, and the track side resource manager WRC judges the effectiveness of the cleaning instruction, and the specific area can be considered as the cleaned area after judging the effectiveness.
As an preferable technical scheme, the scheduling cleaning instruction needs to be sent to the trackside resource manager WRC again within a set time after being sent to the trackside resource manager WRC for the first time, and the content of the scheduling cleaning instruction is consistent for two times to determine that the scheduling cleaning instruction is effective.
As a preferable technical solution, the range size of the specific area is configured by system data. The absence of unknown trains or intrusion of foreign matter in the cleaning area of the cleaning system should be ensured by the dispatcher.
As an preferable technical scheme, the cleaning mode based on the minimum vehicle length specifically comprises:
by calculating a linear uninitialized area in jurisdiction by the trackside resource manager WRC and comparing it to the length of the smallest train possible on that line, if the length of the linear uninitialized area is less than the length of the smallest train, the linear uninitialized area will execute the automatic sweep logic and become a swept area, otherwise the uninitialized state will not be automatically swept and maintained.
As a preferred technical solution, the linear uninitialized area is a linear area that extends unidirectionally from a specific endpoint to another specific endpoint, where the specific endpoint includes a dead end car stop point and a boundary point of the initialized area in the jurisdiction of the trackside resource manager WRC.
The linear uninitialized region cannot have a bifurcation structure and an acute angle structure in the expansion calculation process. In particular, for overlapping areas involving multiple linear uninitialized areas, it is necessary to ensure that all linear uninitialized areas involved are strictly less than the length of the minimum train.
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) According to the method, the initialization area is calculated according to the cleaning result, so that the condition that unknown trains or intrusion foreign matters do not exist in the initialization area can be guaranteed, the line resource state is good and complete, the trains can normally apply for track resources and use the track resources, and guarantee is provided for safe operation of the trains;
2) The invention can greatly reduce the dependence on train cleaning, avoid the reduction of the line operation capability caused by train cleaning, improve the cleaning efficiency of the area which is difficult to be initialized by normal cleaning, and improve the recovery efficiency of the TACS system.
3) The method and the device realize flexible calculation of the track resource initialization area under the TACS system by defining the cleaning behavior suitable for various scene demands, provide guarantee for safe and efficient operation of the train under the TACS system, reduce the working strength of staff and improve the universality and usability of the system.
Drawings
FIG. 1 is a schematic diagram of a sweeping pattern based on train operation;
FIG. 2 is a schematic view of a cleaning mode based on a trackside cleaning button;
FIG. 3 is a schematic diagram of a cleaning mode based on a scheduled cleaning instruction;
fig. 4 is a schematic view of a cleaning mode based on a minimum vehicle length.
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 invention discloses a method for calculating an initialization area of track resources, which comprises the following steps:
assuming that the jurisdiction of the track side resource manager WRC is S, the cleaned area acquired by the cleaning method based on the train operation is set α, the cleaned area acquired by the cleaning method based on the track side cleaning button is set β, and the cleaned area acquired by the cleaning method based on the schedule cleaning instruction is set γ.
1) Calculating the cleaned area range I, namely the area which is initialized:
I＝α∪β∪γ；
2) Acquiring a linear uninitialized region set NI:
NI＝(NI 1 ,NI 2 ,NI 3 ,…,NI n )＝Linear(S-I)；
3) A cleaning determination based on the minimum vehicle length is performed, assuming that the minimum vehicle length arrangement length is x:
if Length (NI) n )<x is NI n Belonging to the cleaned area, otherwise NI n Belonging to an uncleaned area, recording the cleaned area acquired by a cleaning mode based on the minimum vehicle length as a set delta;
4) And calculating a final track resource initialization area I_total:
I_total＝α∪β∪γ∪δ；
the initialized region has a long-term retention characteristic until a specific event occurs in the region to cause the initialized state to be lost, and the region losing the initialized state becomes an uninitialized region.
According to the method, the track resource initialization area is calculated based on the cleaning action through the ATS, the track side resource manager WRC, the vehicle-mounted controller CC and the track side equipment of the automatic train monitoring system, so that the universality and the usability of the TACS system are improved, meanwhile, the working intensity of workers can be reduced, and the reduction of the line operation capacity caused by the cleaning of a large-scale train is avoided. As shown in fig. 1 to 4, the cleaning area completed by the four methods is the final track resource initialization area.
The cleaning mode based on train operation as shown in fig. 1, wherein the train is a trusted train which is in effective communication with a trackside resource manager WRC, firstly, a vehicle-mounted controller CC of the train applies a section of authorization of a region to be cleaned to the trackside resource manager WRC, and the size of the region to be cleaned is the size of the cleaned region in the figure; after the train obtains the authorization of the area to be cleaned, the driver drives the train to pass through the area to be cleaned according to the specified speed limit. If no special condition exists, the train can completely pass through the area to be cleaned, the vehicle-mounted controller CC can send the area to be cleaned to the trackside resource manager WRC to indicate that the area is cleaned, and if the special condition exists, a driver needs to brake the train in time, the vehicle-mounted controller CC can send the area through which the train passes to the trackside resource manager WRC to indicate that the area is cleaned.
The cleaning mode based on the trackside cleaning button shown in fig. 2, wherein the activation of the trackside cleaning button is a trigger condition of the mode, firstly, a trackside worker manually confirms that no unknown train and no intrusion foreign matters exist in the track range related to the trackside cleaning button, then presses the activation of the trackside cleaning button, button activation information is transmitted to an ATS (automatic train monitoring) and a trackside resource manager WRC (remote resource manager) of the train, and a dispatcher sends a cleaning confirmation instruction to the trackside resource manager WRC under the condition that the operation of the trackside worker is confirmed to be legal. When the trackside staff releases the trackside cleaning button, the trackside resource manager WRC judges whether the activation of the cleaning button is effective or not, and whether the cleaning confirmation instruction from the train automatic monitoring system ATS is received during the activation, if the activation time of the cleaning button does not exceed the maximum activation allowable duration and the cleaning confirmation instruction from the train automatic monitoring system ATS is received during the activation, the track range related to the trackside cleaning button is marked as a cleaned area, otherwise, the cleaning of the button is ineffective.
As shown in fig. 3, in the cleaning mode based on the scheduled cleaning instruction, firstly, a dispatcher confirms that no unknown train exists in the pre-cleaning range and sends a scheduled cleaning request instruction to a track side resource manager WRC through a train automatic monitoring system ATS, the track side resource manager WRC receives the instruction and sends response information to the train automatic monitoring system ATS, then the dispatcher sends a scheduled cleaning confirmation instruction to the track side resource manager WRC through the train automatic monitoring system ATS again, the track side resource manager WRC checks the validity and consistency of the request instruction and the confirmation instruction, if the check is valid, the track range related to the scheduled cleaning instruction can be marked as a cleaned area, otherwise, the scheduled instruction is cleaned as invalid cleaning. The validity refers to the identity of the object to be cleaned, which is the object arranged in the system data, and the consistency refers to the identity of the object to which the request command and the confirmation command act.
The minimum vehicle length based sweeping approach shown in fig. 4 performs a logic calculation at each execution cycle of the trackside resource manager WRC. The trackside resource manager WRC obtains the area which is not cleaned in the current period, that is, the uninitialized area, according to the current period and the previously received area set which is cleaned based on other three modes. And linearly dividing the uninitialized region, ensuring that each divided linear region does not have a bifurcation structure and an acute angle structure, comparing the length of each divided linear region with the minimum vehicle length parameter configured in the system data, and marking the linear region as a cleaned region if the linear region is smaller than the minimum vehicle length. In particular, the linear region at the boundary of the jurisdiction of the trackside resource manager WRC cannot be adapted to the present cleaning mode; for an overlap region involving multiple linear regions, it is necessary to ensure that all linear regions involved are less than a minimum vehicle length to effect cleaning of the overlap region.
The foregoing description of the embodiments of the method further describes the embodiments of the present invention through system embodiments.
The system is established in the technical scheme of TACS, and comprehensively utilizes an automatic train monitoring system (Automatic Traffic Supervision, ATS for short), a trackside resource manager WRC, a vehicle-mounted controller (Carbone Controller, CC for short), trackside equipment and the like to realize the calculation of the track resource initialization area through cleaning actions. The automatic train monitoring system ATS is used for sending a cleaning command of a dispatcher, the trackside resource manager WRC is used for supervising an initialization area in a jurisdiction, a cleaning command from the automatic train monitoring system ATS and cleaning data from the vehicle-mounted controller CC are received, the vehicle-mounted controller CC is used for requesting the current train cleaning range to the trackside resource manager WRC and sending the cleaning result to the trackside resource manager WRC according to the train operation result, and the trackside equipment mainly comprises a trackside cleaning button, and is activated by trackside workers and sends activation information to the automatic train monitoring system ATS and the trackside resource manager WRC.
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 embodiment of the present invention further 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 various methods and processes described above, such as the inventive method. For example, in some embodiments, the inventive methods 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. One or more of the steps of the method of the invention described above may be performed when the computer program is loaded into RAM and executed by a CPU. Alternatively, in other embodiments, the CPU may be configured to perform the methods of the present invention 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 (16)
1. A computing system of a track resource initialization region, the system comprising:
the automatic train monitoring system ATS is used for sending a cleaning command of a dispatcher;
the track side resource manager WRC is used for supervising an initialization area in a jurisdiction range and receiving a cleaning instruction from the ATS and cleaning data from the vehicle-mounted controller CC;
and the vehicle-mounted controller CC is used for requesting the track-side resource manager WRC for the cleaning range of the current train and sending the cleaning result to the track-side resource manager WRC according to the train operation result.
2. A computing system for a track resource initialization zone according to claim 1, further comprising a trackside purge button, activated by trackside staff and sending activation information to a train automatic monitoring system ATS and trackside resource manager WRC.
3. A method of initializing a computing system of an area using the track resource of claim 1, the method comprising:
step S1, calculating the cleaned area range I, i=α, β, γ;
wherein the set alpha is a cleaned area obtained by a cleaning mode based on train operation, the set beta is a cleaned area obtained by a cleaning mode based on a track side cleaning button, and the set gamma is a cleaned area obtained by a cleaning mode based on a scheduling cleaning instruction;
step S2, obtaining a linear uninitialized region set NI, NI= (NI) 1 ,NI 2 ,NI 3 ,…,NI n ) =linear (S-I), where S is the jurisdiction of the trackside resource manager WRC, NI i For the ith object in the Linear uninitialized region set NI, linear is an operation symbol for carrying out linearization division on a nonlinear region;
step S3, cleaning judgment based on the minimum vehicle length is carried out, and the configuration length of the minimum vehicle length is assumed to be x;
if Length (NI) n )<x is NI n Belonging to the cleaned area, otherwise NI n Belonging to an uncleaned area;
step S4, calculating a final track resource initialization area I_total;
I_total＝α∪β∪γ∪δ
where the aggregate δ is the cleaned area obtained by the cleaning mode based on the minimum vehicle length.
4. A method according to claim 3, wherein the train operation-based sweeping mode is specifically:
the vehicle-mounted controller CC of the trusted train requests the rail-side resource manager WRC for authorization of a section of to-be-cleaned area, a driver drives the train to pass through the to-be-cleaned area after the train obtains the authorization, the vehicle-mounted controller CC of the trusted train calculates the running range of the vehicle-mounted controller CC according to the positioning, namely the cleaned area of the trusted train, and the cleaned area is sent to the rail-side resource manager WRC.
5. The method of claim 4, wherein the trusted train is a train that maintains active communication with a trackside resource manager WRC.
6. The method of claim 4 wherein the driver drives the train to slowly visualize the area to be cleaned for the driver at a prescribed speed limit and immediately take braking action if an abnormal line condition is encountered.
7. A method according to claim 3, wherein the cleaning mode based on the trackside cleaning button is specifically:
manually confirming that no unknown train or intrusion foreign matters exist in the area to be cleaned by a trackside worker, and activating a trackside cleaning button, wherein cleaning button activation information is transmitted to an ATS (automatic train monitoring) and a trackside resource manager WRC;
after receiving the cleaning button activation information, a dispatcher sends a cleaning confirmation instruction to a trackside resource manager WRC through an automatic train monitoring system ATS after ensuring that no train reenters the area to be cleaned;
and the trackside resource manager WRC carries out cleaning judgment on the area to be cleaned according to the received cleaning button activation information and the cleaning confirmation instruction, and the area to be cleaned can be considered to be the cleaned area after the judgment is valid.
8. The method of claim 7, wherein activating the trackside sweep button ensures that button activation time does not exceed a maximum activation tolerance period, otherwise the current sweep determination is invalid.
9. The method of claim 7, wherein the trackside resource manager WRC receives a purge confirm command from the train automatic monitoring system ATS within an activation period of a trackside purge button, otherwise the current purge determination is invalid.
10. A method according to claim 3, wherein the cleaning mode based on the scheduled cleaning instruction is specifically:
the dispatcher directly sends a dispatching cleaning instruction aiming at a specific area to the track side resource manager WRC through the automatic train monitoring system ATS, and the track side resource manager WRC judges the effectiveness of the cleaning instruction, and the specific area can be considered as the cleaned area after judging the effectiveness.
11. The method of claim 10, wherein the scheduled cleaning instruction is required to be sent to the trackside resource manager WRC again within a set time after the first time of sending to the trackside resource manager WRC, and the scheduled cleaning instruction is determined to be valid after two scheduled cleaning instructions are consistent in content.
12. The method of claim 10, wherein the range size of the specific area is configured by system data.
13. A method according to claim 3, wherein the cleaning mode based on the minimum vehicle length is specifically:
by calculating a linear uninitialized area in jurisdiction by the trackside resource manager WRC and comparing it to the length of the smallest train possible on that line, if the length of the linear uninitialized area is less than the length of the smallest train, the linear uninitialized area will execute the automatic sweep logic and become a swept area, otherwise the uninitialized state will not be automatically swept and maintained.
14. The method of claim 13, wherein the linear uninitialized region is a linear region that extends unidirectionally from a particular endpoint to another particular endpoint, the particular endpoint comprising a dead end car stop point and a boundary point of the initialized region within the jurisdiction of the trackside resource manager WRC.
15. An electronic device comprising a memory and a processor, the memory having stored thereon a computer program, wherein the processor, when executing the program, implements the method of any of claims 3-14.
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 3-14.
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