WO2019091061A1 - Procédé et appareil de commande de routage basé sur une table d'interverrouillage statique, et support de stockage informatique - Google Patents

Procédé et appareil de commande de routage basé sur une table d'interverrouillage statique, et support de stockage informatique Download PDF

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Publication number
WO2019091061A1
WO2019091061A1 PCT/CN2018/085831 CN2018085831W WO2019091061A1 WO 2019091061 A1 WO2019091061 A1 WO 2019091061A1 CN 2018085831 W CN2018085831 W CN 2018085831W WO 2019091061 A1 WO2019091061 A1 WO 2019091061A1
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WIPO (PCT)
Prior art keywords
static
interlock table
approach
static interlock
train
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/085831
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English (en)
Chinese (zh)
Inventor
邱锡宏
聂志国
金松岳
张利峰
邱兆阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRSC Research and Design Institute Group Co Ltd
Original Assignee
CRSC Research and Design Institute Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CRSC Research and Design Institute Group Co Ltd filed Critical CRSC Research and Design Institute Group Co Ltd
Priority to EA202091190A priority Critical patent/EA202091190A1/ru
Priority to EP18875607.6A priority patent/EP3608199A4/fr
Publication of WO2019091061A1 publication Critical patent/WO2019091061A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00—Station blocking between signal boxes in one yard
    • B61L21/04—Electrical locking and release of the route; Electrical repeat locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00—Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
    • B61L27/40—Handling position reports or trackside vehicle data

Definitions

  • the present disclosure relates to the field of computer technologies, and in particular, to an access control method, and more particularly to an access control method and apparatus based on a static interlock table, and a computer storage medium.
  • the route selection adopts a dynamic search scheme, such as the shortest path search algorithm
  • the shortest path search algorithm is used to calculate the shortest path from one signal point to all other signal points.
  • the main feature is that the starting point is extended to the outer layer, until it extends to the end point. It needs to traverse the calculated signal points and occupy more computing resources.
  • the number of routes that may be searched is large, resulting in a difference between the actual usable approach and the interlock table given by the design unit.
  • the design unit when there are multiple routes from signal point A to signal point B, the design unit only allows one of the paths to be arranged, and the other paths are not allowed to be arranged; while the dynamic search mode considers multiple paths from signal point A to signal point B.
  • the design unit requires that the route between the specified number of signal points be sent to the other device with a fixed unique number; and the dynamic search mode dynamically retrieves the approach when the operation command is received, and the approach maintains a fixed unique number. .
  • the technical problem to be solved by the present disclosure is to provide a method and device for access control based on a static interlock table, and a computer storage medium, which solves the interlock provided by the approach selected by the prior art and the design unit.
  • the table is inconsistent.
  • a specific embodiment of the present disclosure provides an approach control method based on a static interlock table, including: converting an original interlock table provided by a design unit into a static interlock table; Select the approach in the static interlock table.
  • Embodiments of the present disclosure also provide a computer storage medium including computer-executed instructions that, when processed by a data processing device, perform the step of converting a raw interlock table provided by a design unit It is a static interlock table; the approach is selected in the static interlock table according to the routing command.
  • a specific embodiment of the present disclosure further provides an access control device based on a static interlock table, including: a conversion unit, configured to convert an original interlock table provided by a design unit into a static interlock table; and a selection unit, configured to The routing command selects an approach in the static interlock table.
  • the method and apparatus for access control based on the static interlock table and the computer storage medium have at least the following beneficial effects: converting the original interlock table given by the design unit into a static interlock table, and utilizing The routing command selects the approach in the static interlocking table to ensure that the selected approach is exactly the same as the design unit's requirements to ensure safe driving; since each access in the static interlocking table has a fixed unique number, In the road selection process, the unique number can be directly used, which improves the data processing efficiency; the static interlock table is resident in the memory, and the running speed is fast and the processing efficiency is high.
  • Embodiment 1 is a flowchart of Embodiment 1 of a method for controlling an access based on a static interlock table according to an embodiment of the present disclosure
  • Embodiment 2 is a flowchart of Embodiment 2 of a method for controlling an access based on a static interlock table according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of Embodiment 3 of a method for controlling an access based on a static interlock table according to an embodiment of the present disclosure
  • Embodiment 4 is a schematic structural diagram of Embodiment 1 of a static interlock table-based access control device according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of Embodiment 2 of an access control device based on a static interlock table according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of Embodiment 3 of a static interlock table-based access control device according to an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram of a transition of an approach state provided by a specific embodiment of the present disclosure.
  • FIG. 8 is a timing diagram of a route establishment timing provided by a specific embodiment of the present disclosure.
  • FIG. 9 is a schematic diagram of a route cancellation timing sequence provided by a specific embodiment of the present disclosure.
  • FIG. 10 is a timing diagram of a solution of a pedestrian provided by a specific embodiment of the present disclosure.
  • FIG. 11 is a timing diagram of an access section fault unlocking sequence provided by a specific embodiment of the present disclosure.
  • FIG. 1 is a flowchart of Embodiment 1 of a static interlock table-based approach control method according to an embodiment of the present disclosure.
  • the original interlock table of a design unit is converted into a static interlock table. And select the way in the static interlock table according to the routing command.
  • the approach control method based on the static interlock table includes:
  • Step 101 Convert the original interlock table provided by the design unit into a static interlock table.
  • a specific embodiment of the present disclosure only one path between two signal points in the original interlock table provided by the design unit is an effective approach.
  • Step 102 Select an approach in the static interlock table according to the routing command.
  • the static interlock table is resident in the memory, and the approach can be quickly selected.
  • the static interlock table contains the following contents: the unique code of the route, the name of the signal, the signal display, the number of switches in the approach, the name of the switch, the position of the switch, the number of driven turns in the approach, the name of the drive, the position of the switch, and the proximity
  • the name of the zone the number of zones in the way, the name of the zone, the name of the foreign zone of the terminal signal, the name of the inner zone of the terminal, the number of overrun zones, and the name of the overrun zone.
  • the routing is selected in the static interlock table using the routing command to ensure that the selected approach is exactly the same as the design unit.
  • FIG. 2 is a flowchart of Embodiment 2 of a static interlock table-based approach control method according to an embodiment of the present disclosure. As shown in FIG. 2, after selecting an approach, the selected approach is used to guide the operation of the train. .
  • the approach control method based on the static interlock table further includes:
  • Step 103 Direct the operation of the train with the selected approach.
  • the train is safe to operate based on the route selected from the static interlock table.
  • FIG. 3 is a flowchart of Embodiment 3 of a method for controlling an access based on a static interlock table according to a specific embodiment of the present disclosure.
  • the original interlock table provided by a design unit is converted by a table conversion method. It is a static interlock table, and selects the unique number of the route according to the routing command, and generates control logic based on the unique number to control the running of the train.
  • step 101 specifically includes:
  • Step 101' Convert the original interlock table provided by the design unit into a static interlock table by means of table conversion.
  • Step 102 specifically includes:
  • Step 1021' Select a unique number of the approach in the static interlock table according to the routing command.
  • each path in the static interlock table has a fixed unique number, and the unique number corresponding to the path is selected, thereby improving the processing efficiency of the data.
  • Step 1022' Generate control logic based on the unique number.
  • the unique number is easier to generate control logic than the data characterizing the approach itself, saving computational effort.
  • Step 103 specifically includes:
  • Step 103' Use the control logic to direct the operation of the train.
  • the control logic can automatically direct the operation of the train when processed by the data processing device.
  • the original interlocking table provided by the design unit is converted into a static interlocking table by using a table conversion method, and the control logic is generated by using the unique number of the approach in the static interlocking table to control the normal operation of the train, and the data processing amount is small.
  • the data processing efficiency is high and the train runs safely.
  • Embodiments of the present disclosure also provide a computer storage medium containing computer-executable instructions that, when processed by a data processing device, perform the following steps:
  • Step 101 Convert the original interlock table provided by the design unit into a static interlock table.
  • Step 102 Select an approach in the static interlock table according to the routing command.
  • Embodiments of the present disclosure also provide a computer storage medium containing computer-executable instructions that, when processed by a data processing device, perform the following steps:
  • Step 101 Convert the original interlock table provided by the design unit into a static interlock table.
  • Step 102 Select an approach in the static interlock table according to the routing command.
  • Step 103 Direct the operation of the train with the selected approach.
  • Embodiments of the present disclosure also provide a computer storage medium containing computer-executable instructions that, when processed by a data processing device, further perform the following steps:
  • Step 101' Convert the original interlock table provided by the design unit into a static interlock table by means of table conversion.
  • Step 1021' Select a unique number of the approach in the static interlock table according to the routing command.
  • Step 1022' Generate control logic based on the unique number.
  • Step 103' Use the control logic to direct the operation of the train.
  • Embodiment 4 is a schematic structural diagram of Embodiment 1 of a static interlock table-based access control device according to an embodiment of the present disclosure.
  • the device shown in FIG. 4 can be applied to the methods shown in FIG. 1 to FIG. Converts the original interlock table of the design unit into a static interlock table and selects the way in the static interlock table according to the routing command.
  • the access control device based on the static interlock table includes the conversion unit 1 and the selection unit 2.
  • the conversion unit 1 is configured to convert the original interlock table provided by the design unit into a static interlock table; the selection unit 2 is configured to select an approach in the static interlock table according to the routing command.
  • the static interlock table includes the following contents: the unique code of the route, the name of the signal, the signal display, the number of switches in the approach, the name of the switch, the position of the switch, the number of driven turns in the approach, and the driving The name of the switch, the position of the drive track, the name of the approach zone, the number of zones in the route, the name of the zone, the name of the foreign zone of the terminal signal, the name of the inner zone of the terminal, the number of overrun zones and the overrun The name of the section.
  • the routing is selected in the static interlock table using the routing command to ensure that the selected approach is exactly the same as the design unit.
  • FIG. 5 is a schematic structural diagram of Embodiment 2 of a static interlock table-based access control device according to an embodiment of the present disclosure. As shown in FIG. 5, after selecting a path in a static interlock table, using the selected The approach guides the operation of the train.
  • the access control device based on the static interlock table further includes a guiding unit 3.
  • the guidance unit 3 is used to direct the operation of the train with the selected approach.
  • FIG. 6 is a schematic structural diagram of Embodiment 3 of a static interlock table-based access control device according to an embodiment of the present disclosure.
  • the original interlock table provided by the design unit is converted by a table conversion manner. It is a static interlock table, and selects the unique number of the route according to the routing command, and generates control logic based on the unique number to control the running of the train.
  • the conversion unit 1 is further configured to convert the original interlock table provided by the design unit into a static interlock table by means of a table conversion method.
  • the selecting unit 2 specifically includes: a selecting module 21 and a generating module 22.
  • the selection module 21 is configured to select a unique number of the approach in the static interlock table according to the routing command; the generating module 22 is configured to generate control logic according to the unique number.
  • the guiding unit 3 is specifically configured to guide the operation of the train by using the control logic.
  • the original interlocking table provided by the design unit is converted into a static interlocking table by using a table conversion method, and the control logic is generated by using the unique number of the approach in the static interlocking table to control the normal operation of the train, and the data processing amount is small.
  • the data processing efficiency is high, ensuring driving safety.
  • FIG. 7 is a schematic diagram of the transition of the approach state provided by the specific embodiment of the present disclosure. As shown in FIG. 7 , the route information in the static interlock table is converted into the access control table by the routing command, and various states of the approach are shown. Convert to complete the corresponding interlocking relationship.
  • FIG. 8 is a timing diagram for describing an access establishment according to an embodiment of the present disclosure
  • FIG. 9 is a timing diagram for deciphering an access cancellation according to an embodiment of the present disclosure
  • FIG. FIG. 11 is a timing diagram of the access section fault unlocking sequence provided by the specific embodiment of the present disclosure.
  • the approach of establishing the approach, canceling the route, approaching the pedestrian, and unlocking the access section are unlocked.
  • Time diagram it can be seen that the original interlock table provided by the design unit is converted into a static interlock table, and the control logic is directly used to control the normal operation of the train by using the fixed unique number of the approach in the static interlock table, and the selected operation can be guaranteed.
  • the requirements of the approach and design unit are exactly the same to ensure safe driving.
  • the specific embodiment of the present disclosure provides a method and device for access control based on a static interlock table, and a computer storage medium.
  • the original interlock table given by the design unit is converted into a static interlock table, and the static interlock is performed by using the routing command.
  • Select the approach in the table to ensure that the selected approach is exactly the same as the design unit's requirements to ensure safe driving; since each access in the static interlock table has a fixed unique number, the route selection process can be directly Using this unique number improves data processing efficiency; the static interlock table is resident in memory, which runs fast and has high processing efficiency.
  • an embodiment of the present disclosure may also be a program code that executes the above method in a Digital Signal Processor (DSP).
  • DSP Digital Signal Processor
  • the present disclosure may also relate to various functions performed by a computer processor, a digital signal processor, a microprocessor, or a Field Programmable Gate Array (FPGA).
  • the above described processor may be configured to perform specific tasks in accordance with the present disclosure, which are accomplished by executing machine readable software code or firmware code that defines a particular method disclosed herein.
  • Software code or firmware code can be developed into different programming languages and different formats or forms. Software code can also be compiled for different target platforms. However, different code patterns, types, and languages of software code and other types of configuration code that perform tasks in accordance with the present disclosure do not depart from the spirit and scope of the present disclosure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

L'invention concerne un procédé et un appareil de commande de routage basés sur une table d'interverrouillage statique, et un support de stockage informatique. Le procédé consiste à : convertir une table d'interverrouillage d'origine fournie par une organisation de conception en une table d'interverrouillage statique (101) ; et sélectionner un routage dans la table d'interverrouillage statique selon une commande de sélection de routage (102). Le procédé peut assurer qu'un routage sélectionné puisse satisfaire complètement les besoins d'une organisation de conception.
PCT/CN2018/085831 2017-11-10 2018-05-07 Procédé et appareil de commande de routage basé sur une table d'interverrouillage statique, et support de stockage informatique Ceased WO2019091061A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EA202091190A EA202091190A1 (ru) 2017-11-10 2018-05-07 Способ управления маршрутами и устройство на основе статической таблицы взаимных соединений, и компьютерная запоминающая среда
EP18875607.6A EP3608199A4 (fr) 2017-11-10 2018-05-07 Procédé et appareil de commande de routage basé sur une table d'interverrouillage statique, et support de stockage informatique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711107350.8 2017-11-10
CN201711107350.8A CN108082213A (zh) 2017-11-10 2017-11-10 基于静态联锁表的进路控制方法及装置、计算机存储介质

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PCT/CN2018/085831 Ceased WO2019091061A1 (fr) 2017-11-10 2018-05-07 Procédé et appareil de commande de routage basé sur une table d'interverrouillage statique, et support de stockage informatique

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EP (1) EP3608199A4 (fr)
CN (1) CN108082213A (fr)
EA (1) EA202091190A1 (fr)
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113562025A (zh) * 2021-06-30 2021-10-29 通号城市轨道交通技术有限公司 计算机联锁表生成方法、装置、电子设备及存储介质
CN115923883A (zh) * 2023-03-01 2023-04-07 北京全路通信信号研究设计院集团有限公司 联锁条件可配置的实现方法、联锁系统和电子设备

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109436035B (zh) * 2018-09-18 2020-10-16 交控科技股份有限公司 联锁数据生成方法
CN109552368B (zh) * 2018-12-10 2020-11-10 交控科技股份有限公司 联锁表自动生成方法及装置
CN114771602B (zh) * 2022-05-07 2024-01-02 通号城市轨道交通技术有限公司 带动道岔设置方法及装置
CN116142253B (zh) * 2023-04-23 2023-08-01 卡斯柯信号(北京)有限公司 一种码位表生成方法及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102616251A (zh) * 2011-01-27 2012-08-01 铁道部运输局 高速列车自动排路方法及控制装置
JP2014046720A (ja) * 2012-08-29 2014-03-17 Mitsubishi Electric Corp 表示制御盤、列車運行管理システム、および軌道回路表示方法
CN106218671A (zh) * 2016-09-06 2016-12-14 兰州铁路局 车站列车行车作业的控制方法及装置
CN106672022A (zh) * 2016-12-15 2017-05-17 天津交控科技有限公司 一种轨道交通联锁表生成方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1109709B1 (fr) * 1998-08-19 2002-11-27 Siemens Schweiz AG Procede de commande et de surveillance d'une installation de prevision d'ecoulement du trafic
CN101431391B (zh) * 2008-12-12 2011-08-17 北京佳讯飞鸿电气股份有限公司 提高列控系统动态编码报文安全性的方法
EP2873586A4 (fr) * 2012-07-13 2016-07-27 Hitachi Ltd Procédé pour sélectionner un itinéraire d'exploitation différent pour un train, et système correspondant
JP5931760B2 (ja) * 2013-01-21 2016-06-08 三菱重工業株式会社 列車運行制御検査装置、列車運行制御検査方法及びプログラム
CN103107942B (zh) * 2013-02-26 2016-08-03 杭州华三通信技术有限公司 一种静态路由的跟踪方法和设备
CN104317812B (zh) * 2014-09-25 2018-04-27 株洲南车时代电气股份有限公司 一种lkj基础数据自动生成方法和系统
CN106828541B (zh) * 2017-01-23 2019-01-15 北京交通大学 适合于车-车通信的列控系统车载联锁的进路防护方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102616251A (zh) * 2011-01-27 2012-08-01 铁道部运输局 高速列车自动排路方法及控制装置
JP2014046720A (ja) * 2012-08-29 2014-03-17 Mitsubishi Electric Corp 表示制御盤、列車運行管理システム、および軌道回路表示方法
CN106218671A (zh) * 2016-09-06 2016-12-14 兰州铁路局 车站列车行车作业的控制方法及装置
CN106672022A (zh) * 2016-12-15 2017-05-17 天津交控科技有限公司 一种轨道交通联锁表生成方法及系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3608199A4

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113562025A (zh) * 2021-06-30 2021-10-29 通号城市轨道交通技术有限公司 计算机联锁表生成方法、装置、电子设备及存储介质
CN113562025B (zh) * 2021-06-30 2023-10-20 通号城市轨道交通技术有限公司 计算机联锁表生成方法、装置、电子设备及存储介质
CN115923883A (zh) * 2023-03-01 2023-04-07 北京全路通信信号研究设计院集团有限公司 联锁条件可配置的实现方法、联锁系统和电子设备

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CN108082213A (zh) 2018-05-29
EP3608199A1 (fr) 2020-02-12
EP3608199A4 (fr) 2020-08-12
EA202091190A1 (ru) 2020-11-24

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