CN-117325917-B - Train interval control method, device, equipment and storable medium

CN117325917BCN 117325917 BCN117325917 BCN 117325917BCN-117325917-B

Abstract

The invention provides a train interval control method, a device, equipment and a storage medium, which relate to the technical field of rail transit and comprise the steps of obtaining running information of a target train, calculating safety envelope position information of the target train based on the running information, wherein the safety envelope position information comprises a safety envelope head end position and a safety envelope tail end position, generating first target short message information based on the safety envelope position information, correspondingly sending the first target short message information to a control train based on a control train mark, and carrying out running control based on the safety envelope position information after the control train receives the first target short message information. According to the invention, train interval control is realized by adopting a communication mode of Beidou short messages, so that communication between all trains and a control center can be ensured on railways with simplified wireless communication coverage areas along the lines, the cost for laying a wireless communication network can be reduced, and the safe running of the trains can be ensured.

Inventors

WANG LI
HU YAFENG
WU QIAN
WEI HONGWEI

Assignees

中铁工程设计咨询集团有限公司

Dates

Publication Date: 20260505
Application Date: 20231018

Claims (8)

1. A train interval control method, the method comprising: acquiring running information of a target train, wherein the running information comprises running state data and ground speed limit information data of the target train; Calculating safety envelope position information of the target train based on the driving information, wherein the safety envelope position information comprises a safety envelope head end position and a safety envelope tail end position; Generating first target short message information based on the safety envelope position information, wherein the first target short message information comprises the safety envelope position information, control train operation information and control train marks, the control train operation information comprises a target train number and a target operation direction, and the target train and the control train are adjacent trains operated on the same steel rail; Based on the control train label, correspondingly sending the first target short message information to the control train, wherein the method comprises the following steps: The first target short message information is sent to a Beidou command machine, so that the Beidou command machine sends the first target short message information to satellite equipment, confirms receiving receipt of the satellite equipment, sends the first target short message information to a satellite control station through the satellite equipment to carry out encryption and decryption processing, and sends the encrypted and decrypted first target short message information to the control train through the satellite equipment; after the control train receives the first target short message information, running control is performed based on the safety envelope position information, and the control train comprises the following steps: when the target train number is the same as the actual train number and the target running direction is the same as the actual running direction, running control is performed based on the safety envelope position information, and a train control curve is generated; and when the target train number is different from the actual train number or the target running direction is different from the actual running direction, the control train brakes.
2. The train interval control method according to claim 1, wherein calculating the security envelope information of the target train based on the traveling information includes: Acquiring basic data, positioning data and communication data of the target train, wherein the basic data comprise the length, the weight and the wheel friction coefficient of the train body of the target train, and the positioning data comprise position information of the target train, which is acquired in real time based on a positioning device; Based on the running state data and the basic data, calculating to obtain the overrun distance, the idle distance, the reverse slip protection distance and the emergency braking distance of the target train; Calculating to obtain a positioning error distance of the target train based on the positioning data and the running state data; calculating the time delay distance of the target train based on the communication data and the running state data; And calculating the safety envelope information based on the length of the train body of the target train, the overrun distance, the coast distance, the rollback protection distance, the emergency braking distance, the positioning error distance and the time delay distance.
3. The train interval control method according to claim 1, wherein calculating the security envelope information of the target train based on the traveling information, thereafter comprises: Acquiring running information and positioning data of all trains; Acquiring scheduling information, wherein the scheduling information comprises specific running paths of all trains in a target time period; Determining the control trains which are positioned behind and adjacent to the target train in the target time period based on the running information of all trains, the positioning data of all trains and the scheduling information; and acquiring the running information and the labels of the control train.
4. A train interval control device for use in the train interval control method according to any one of claims 1 to 3, comprising: The first acquisition unit is used for acquiring running information of a target train, wherein the running information comprises running state data and ground speed limit information data of the target train; A first calculation unit configured to calculate, based on the traveling information, safety envelope position information of the target train, the safety envelope position information including a safety envelope head end position and a safety envelope tail end position; The generation unit is used for generating first target short message information based on the safety envelope position information, wherein the first target short message information comprises the safety envelope position information, control train operation information and control train marks, the control train operation information comprises a target train number and a target operation direction, and the target train and the control train are adjacent trains running on the same steel rail; the first sending unit is used for correspondingly sending the first target short message information to the control train based on the control train label; and the first control unit is used for controlling running based on the safety envelope position information after the control train receives the first target short message information.
5. The train interval control device according to claim 4, wherein the first calculation unit includes: The second acquisition unit is used for acquiring basic data, positioning data and communication data of the target train, wherein the basic data comprise the length, the weight and the wheel friction coefficient of the train body of the target train, and the positioning data comprise position information acquired by the target train in real time based on a positioning device; The second calculation unit is used for calculating and obtaining the overrun distance, the idle distance, the backward running protection distance and the emergency braking distance of the target train based on the running state data and the basic data; the third calculation unit is used for calculating and obtaining the positioning error distance of the target train based on the positioning data and the running state data; The fourth calculation unit is used for calculating the time delay distance of the target train based on the communication data and the running state data; and the fifth calculation unit is used for calculating the safety envelope information based on the length of the train body of the target train, the overrun distance, the coasting distance, the backward sliding protection distance, the emergency braking distance, the positioning error distance and the time delay distance.
6. The train interval control device according to claim 4, wherein the device comprises: The third acquisition unit is used for acquiring running information and positioning data of all trains; A fourth obtaining unit, configured to obtain scheduling information, where the scheduling information includes specific travel paths of all trains in a target time period; The first determining unit is used for determining the control trains which are positioned behind and adjacent to the target train in the target time period based on the running information of all trains, the positioning data of all trains and the scheduling information; and a fifth acquisition unit for acquiring the running information and the labels of the control train.
7. A train interval control apparatus, characterized by comprising: A memory for storing a computer program; A processor for implementing the steps of the train interval control method according to any one of claims 1 to 3 when executing the computer program.
8. A readable storage medium, characterized in that the readable storage medium has stored thereon a computer program which, when executed by a processor, implements the steps of the train interval control method according to any one of claims 1 to 3.

Description

Train interval control method, device, equipment and storable medium Technical Field The invention relates to the technical field of rail transit, in particular to a train interval control method, a train interval control device, a train interval control equipment and a storable medium. Background The train interval control is a basic function of train safe operation control, and a control center is required to update the position of each train and the corresponding safety envelope range in real time, so that the safe operation of the trains is ensured. In the prior art, the position information of the train is communicated through a wireless communication network such as WLAN or LTE, the mode needs to ensure the full coverage of the full line wireless communication network, the construction cost is high, and in partial medium-low traffic projects, only partial coverage of the wireless communication network can be realized, so that the interval safety of the train is affected. Disclosure of Invention The invention aims to provide a train interval control method, a train interval control device, a train interval control equipment and a storage medium, so as to solve the problems. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: in a first aspect, the present application provides a train interval control method, the method comprising: acquiring running information of a target train, wherein the running information comprises running state data and ground speed limit information data of the target train; Calculating safety envelope position information of the target train based on the driving information, wherein the safety envelope position information comprises a safety envelope head end position and a safety envelope tail end position; Generating first target short message information based on the safety envelope position information, wherein the first target short message information comprises the safety envelope position information, control train operation information and control train marks, the control train operation information comprises a target train number and a target operation direction, and the target train and the control train are adjacent trains operated on the same steel rail; based on the control train label, correspondingly transmitting the first target short message information to the control train; And after the control train receives the first target short message information, running control is performed based on the safety envelope position information. In a second aspect, the present application also provides a train interval control device, including: The first acquisition unit is used for acquiring running information of a target train, wherein the running information comprises running state data and ground speed limit information data of the target train; A first calculation unit configured to calculate, based on the traveling information, safety envelope position information of the target train, the safety envelope position information including a safety envelope head end position and a safety envelope tail end position; The generation unit is used for generating first target short message information based on the safety envelope position information, wherein the first target short message information comprises the safety envelope position information, control train operation information and control train marks, the control train operation information comprises a target train number and a target operation direction, and the target train and the control train are adjacent trains running on the same steel rail; the first sending unit is used for correspondingly sending the first target short message information to the control train based on the control train label; and the first control unit is used for controlling running based on the safety envelope position information after the control train receives the first target short message information. In a third aspect, the present application also provides a train interval control apparatus, including: A memory for storing a computer program; And the processor is used for realizing the steps of the train interval control method when executing the computer program. In a fourth aspect, the present application also provides a readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the train interval control method described above. The beneficial effects of the invention are as follows: according to the invention, train interval control is realized by adopting a communication mode of Beidou short messages, so that communication between all trains and a control center can be ensured on railways with simplified wireless communication coverage areas along the lines, the cost for laying a wireless communication network can be reduced, and the safe running of the trains can be ensured. Additional features and advantages of t