Method and device for blocking train flow in interval and storage medium

Abstract

The invention provides an interval congestion train flow control method and device and a storage medium. The method comprises the steps that a blocked train control area is configured in a line database, and default passing time and default flow control factors are set; the vehicle-mounted controller detects whether the train is a blocked train or not and reports information to the area controller; and the area controller dynamically generates movement authorization of the subsequent train according to the position of the blocked train and the flow control factor so as to control the train flow in the section. Through a mode of combining event detection and overtime detection, a blocked train can be effectively identified, train operation is flexibly adjusted according to the train length and the flow control factor, interval congestion is avoided, and the interval evacuation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the field of rail transit control technology, and in particular to a method, device and storage medium for section blocking train flow. Background Art

[0002] In rail transit systems, trains may be blocked during operation due to operational adjustments, equipment failures, or emergencies. The existing technology limits the number of trains entering a zone by configuring a train number restriction zone in a zone controller. However, the existing solution does not consider the location and length of the blocked train, which may lead to local congestion in the zone, and cannot effectively control the train flow, affecting the efficiency of zone evacuation. Summary of the invention

[0003] To achieve the above objectives, the present invention proposes a section-blocking train flow method, device and storage medium, which are used to flexibly adjust train operation, avoid section congestion and improve section evacuation efficiency.

[0004] A method for controlling the flow of a blocked train in an interval proposed in an embodiment of the present invention includes: (configuring a blocked train control area: defining the scope of the blocked train control area in a line database, and setting a default passing time and a default flow control factor; detecting a blocked train: the on-board controller determines whether the train is a blocked train through event detection and timeout detection, and reports the detection result to the regional controller; dynamically generating a movement authorization: the regional controller dynamically calculates the movement authorization of subsequent trains according to the position and flow control factor of the blocked train, and controls the flow of trains entering the blocked train control area. It can flexibly adjust the train operation, avoid interval congestion, and improve the efficiency of interval evacuation.

[0005] A section blocked train flow control device proposed in an embodiment of the present invention includes: a line database module, configured to: configure a blocked train control area and its attributes; an on-board controller module, configured to: detect whether a train is a blocked train and report the detection result to the area controller; and an area controller module, configured to: dynamically generate movement authorization for subsequent trains based on the position of the blocked train and the flow control factor.

[0006] An electronic device proposed in an embodiment of the present invention includes: at least one processor; and a memory coupled to the at least one processor, wherein the memory is used to store instructions, and when the instructions are executed by the at least one processor, the processor executes the method described above.

[0007] An embodiment of the present invention provides a computer-readable storage medium on which computer instructions are stored. When the computer instructions are executed, the method described in any of the above embodiments is executed.

[0008] A computer program product provided in an embodiment of the present invention includes a computer program. When the computer program is executed by a processor, the method described in any one of the above embodiments is implemented. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The following drawings are intended only to illustrate and explain the present invention, and do not limit the scope of the present invention.

[0010] Figure 1 1 is a flow chart of a method 100 for controlling a section-blocked train flow according to an embodiment of the present invention.

[0011] Figure 2 It is a structural schematic diagram of a section-blocking train flow control device 200 according to an embodiment of the present invention.

[0012] Figure 3 is a schematic diagram of an electronic device 300 according to an embodiment of the present invention.

[0013] The following are the descriptions of the reference numerals:

[0014] serial number meaning 100 A flow control method for trains with blockage in section S101 Step S101 S102 Step S102 S103 Step S103 200 A flow control device for section-blocked trains 201 Line database module 202 Vehicle Controller Module 203 Zone Controller Module 300 Electronic devices 310 processor 320 Memory DETAILED DESCRIPTION

[0015] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, specific embodiments of the present invention are now described with reference to the accompanying drawings.

[0016] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0017] As shown in this application and claims, unless the context clearly indicates an exception, the words "a", "an", "an" and / or "the" do not refer to the singular and may also include the plural. Generally speaking, the terms "include" and "comprise" only indicate the inclusion of the steps and elements that have been clearly identified, and these steps and elements do not constitute an exclusive list. The method or device may also include other steps or elements.

[0018] Figure 1 FIG. 1 is a flow chart of a method 100 for controlling the flow of a section-blocked train in an embodiment of the present invention. Figure 1 As shown, the method 100 may include:

[0019] Step S101, configure the blocked train control area, define the range of the blocked train control area in the line database, and set the default passing time and default flow control factor.

[0020] In this embodiment, the default transit time and the default flow control factor can be remotely adjusted via an automatic train monitoring system.

[0021] Specifically, the default passing time represents the tolerance time for a train to pass through a blocked train control area, and the default flow control factor represents the ratio of the maximum allowed total length of all running trains in the blocked train control area to the area length.

[0022] Specifically, the default passing time and default flow control factor can be adjusted remotely through the automatic train monitoring system to adapt to different operational needs. For example, the flow control factor can be appropriately relaxed during peak hours to increase the train density within the section; the flow control factor can be tightened during off-peak hours to ensure the safety of train operation.

[0023] Step S102, detecting a blocked train, the onboard controller determines whether the train is a blocked train through event detection and timeout detection, and reports the detection result to the regional controller.

[0024] In this embodiment, the event detection includes: detecting whether the train escape door is open; detecting whether the train is stationary and the door emergency unlocking device is activated.

[0025] Specifically, if the escape door is open, the onboard controller reports the train as a blocked train in the blocked train control area in the position report message. If the train is stationary, the door emergency unlocking device is activated, and the door is open or unlocked, the onboard controller reports the train as a blocked train in the blocked train control area in the position report message.

[0026] Specifically, initially, the on-board controller indicates that the train is a non-blocked train in the position report sent to the regional controller. When the train enters a blocked train control area, the on-board controller starts a timer Timer1 with a default passing time. If the train leaves the blocked train control area, the on-board controller cancels Timer1. If Timer1 times out, the on-board controller considers that the train operation is blocked, and the on-board controller reports in the position report message that the train is a blocked train in the blocked train control area. If the train is a blocked train in a blocked train control area, after leaving the blocked train control area, the on-board controller considers that it is no longer a blocked train in the blocked train control area. If the train is no longer a blocked train in any blocked train control area, the on-board controller reports in the position report message that the train is a non-blocked train.

[0027] Specifically, there may be multiple blocked train control areas, and each of the trains may be considered as a blocked train in multiple different blocked train control areas.

[0028] In this embodiment, the timeout detection includes: when the train enters the blocked train control area, starting a timer; if the train does not leave the blocked train control area before the timer times out, determining that the train is a blocked train.

[0029] Step S103, dynamically generate movement authorization, the area controller dynamically calculates the movement authorization of subsequent trains according to the position of the blocked train and the flow control factor, and controls the flow of trains entering the blocked train control area.

[0030] In this embodiment, the dynamic generation of movement authorization includes: when the regional controller generates a movement authorization for a train A traveling in a certain direction, if the movement authorization extends into the blocked train control area, it starts to determine whether the train is allowed to enter the area. At this time, all reported blocked trains in the same direction as the train A in the blocked train control area are traversed, and the total length of the blocked train and all trains behind it and the distance from the maximum safe front end of the blocked train to the boundary of the blocked area behind it are calculated; according to the flow control factor and the train length, it is determined whether the subsequent train is allowed to enter the blocked train control area.

[0031] Specifically, all the reporting trains in the blocked train control area are traversed: the regional controller first obtains the position and length information of all the reporting trains in the blocked train control area. If there are blocked trains in the area, for each reported blocked train, the regional controller records its maximum safe front position and train length.

[0032] Specifically, the zone controller traverses all reported blocked trains and calculates the total length of the blocked train and the trains behind it.

[0033] Specifically, the zone controller starts from the maximum safe front position of the blocked train, traverses all trains backwards, and calculates the total length of these trains.

[0034] Specifically, the area controller determines whether to allow subsequent trains to enter the blocked train control area based on the flow control factor and the train length.

[0035] Specifically, the area controller calculates whether the ratio of the total length of the blocked train and the trains behind it to the distance from the maximum safe front end of the blocked train to the boundary of the blocked area behind it exceeds the flow control factor; if exceeded, it determines that subsequent trains are not allowed to enter the blocked train control area; if not exceeded, it calculates whether the ratio of the total length of all trains in the entire blocked train control area to the total length of the area exceeds the flow control factor.

[0036] If it still does not exceed, train A is allowed to enter the blocked train control area; if it exceeds, it is determined that subsequent trains are not allowed to enter the blocked train control area.

[0037] Specifically, if the regional controller determines that the train A is not allowed to enter the blocked train control area, the generated movement authorization will end at the blocked train control area boundary closest to the train A. If the regional controller determines that the train A is allowed to enter the blocked train control area, the generated movement authorization will extend into the blocked train control area, and continue to generate movement authorization according to other conditions.

[0038] Figure 2 FIG. 2 is a schematic diagram of the structure of a section-blocked train flow control device 200 according to an embodiment of the present invention. Figure 2 As shown, the device 200 may include:

[0039] The line database module 201 is configured to configure the blocked train control area and its attributes.

[0040] The onboard controller module 202 is configured to detect whether the train is a blocked train and report the detection result to the area controller.

[0041] The zone controller module 203 is configured to dynamically generate movement authorizations for subsequent trains based on the location of the blocked train and the flow control factor.

[0042] The present invention also provides an electronic device 300 . Figure 3 FIG. 3 is a schematic diagram of an electronic device 300 according to an embodiment of the present invention. Figure 3 As shown, the electronic device 300 includes a processor 310 and a memory 320 , wherein the memory 320 stores instructions, wherein when the instructions are executed by the processor 310 , the method 100 described above is implemented.

[0043] The present invention further provides a computer-readable storage medium on which computer instructions are stored. When the computer instructions are executed, the method described above is executed.

[0044] The present invention also provides a computer program product, comprising a computer program, and when the computer program is executed by a processor, the method described above is implemented.

[0045] Some aspects of the methods and apparatus of the present invention may be performed entirely by hardware, entirely by software (including firmware, resident software, microcode, etc.), or by a combination of hardware and software. The above hardware or software may be referred to as "data blocks", "modules", "engines", "units", "components" or "systems". The processor may be one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DAPDs), programmable logic devices (PLCs), field programmable gate arrays (FPGAs), processors, controllers, microcontrollers, microprocessors or combinations thereof. In addition, various aspects of the present invention may be expressed as computer products located in one or more computer-readable media, which include computer-readable program codes. For example, computer-readable media may include, but are not limited to, magnetic storage devices (e.g., hard disks, floppy disks, tapes, etc.), optical disks (e.g., compact disks (CDs), digital versatile disks (DVDs) ...), smart cards, and flash memory devices (e.g., cards, sticks, key drives ...).

[0046] Flowchart is used here to illustrate the operations performed according to the method of the embodiment of the present application. It should be understood that the above operations are not necessarily performed accurately in order. On the contrary, various steps can be processed in reverse order or simultaneously. At the same time, other operations may be added to these processes, or a certain step or several steps of operations may be removed from these processes.

[0047] It should be understood that although this specification is described according to various embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0048] The above description is only an illustrative embodiment of the present invention and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations made by any person skilled in the art without departing from the concept and principle of the present invention shall fall within the scope of protection of the present invention.

Claims

1. A method (100) for controlling the flow of blocked trains in an interval, characterized in that: The method comprises: Configuring a blocked train control area (S101): defining the range of the blocked train control area in the line database, and setting a default passing time and a default flow control factor; Detecting a blocked train (S102): The onboard controller determines whether the train is a blocked train through event detection and timeout detection, and reports the detection result to the regional controller; Dynamically generate movement authorization (S103): The area controller dynamically calculates the movement authorization of subsequent trains according to the position of the blocked train and the flow control factor, and controls the flow of trains entering the blocked train control area.

2. The method according to claim 1, characterized in that: The method according to claim 1, characterized in that the event detection comprises: Detect whether the train escape door is open; Detects whether the train is stationary and the door emergency unlocking is activated.

3. The method according to claim 1, characterized in that: The timeout detection includes: When a train enters the blocked train control area, a timer is started; If the train does not leave the blocked train control area before the timer expires, the train is determined to be a blocked train.

4. The method according to claim 3, characterized in that The dynamically generated mobile authorization includes: Traverse all reported trains in the blocked train control area and calculate the total length of the trains; According to the flow control factor and train length, determine whether to allow the subsequent train to enter the blocked train control area; The flow control factor represents the ratio of the maximum allowed total length of all running trains in the blocked train control area to the area length.

5. The method according to claim 1, characterized in that The default transit time and the default flow control factor can be remotely adjusted via an automatic train monitoring system.

6. A section-blocked train flow control device (200), characterized in that: include: The line database module (201) is configured to: configure the blocked train control area and its attributes; The onboard controller module (202) is configured to: detect whether the train is a blocked train and report the detection result to the area controller; The zone controller module (203) is configured to dynamically generate movement authorization for subsequent trains according to the location of the blocked train and the flow control factor.

7. An electronic device (300), comprising: at least one processor (310); as well as A memory (320) coupled to the at least one processor (310), the memory (320) being used to store instructions, which, when executed by the at least one processor (310), causes the processor (310) to perform the method according to any one of claims 1 to 5.

8. A computer-readable storage medium having computer instructions stored thereon, wherein the computer instructions, when executed, execute the method according to any one of claims 1 to 5.

9. A computer program product, characterized in that The invention comprises a computer program, which implements the method according to any one of claims 1 to 5 when being executed by a processor.

Images