CN-122009274-A - Train control method

CN122009274ACN 122009274 ACN122009274 ACN 122009274ACN-122009274-A

Abstract

The application relates to a train control method, and belongs to the technical field of rail transit. The automatic sensing system comprises a sensing system and an automatic sensing host, wherein the axle counter is arranged in a fault parking area and used for positioning a train in the fault parking area, and when the train-ground communication system is in fault and the automatic sensing system is effective, the train operates in a first control mode, and in the first control mode, the automatic train protection system acquires train operation data based on the automatic sensing system and performs train positioning and movement authorization control. The application designs a train operation control mode under the conditions of simplified axle counting, annunciator and transponder, and realizes the degraded train operation control under various modes.

Inventors

LIU TIANYI
LIU WEI
CHEN SHAOZHI
MIN YUANLIN
GAO TIAN

Assignees

中车青岛四方车辆研究所有限公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. A train control method, implemented based on the train control system, the train control system comprising: The system comprises an autonomous sensing system, an autonomous sensing system and a control system, wherein the autonomous sensing system comprises a sensing system and an autonomous sensing host; The axle counter is only arranged in the fault parking area and is used for positioning the train in the fault parking area; The track side mark is arranged in a fault parking area and an operation parking area; The communication system comprises a train-to-train communication system for communication between trains and a train-to-ground communication system for communication between trains, wherein the autonomous perception host is connected with the train-to-ground communication system; The train automatic protection system is communicated with the autonomous sensing host and is connected with the train ground communication system; The train control method comprises the following steps: And when the train-ground communication system is in fault and the autonomous sensing system is effective, the train operates in a first control mode, and in the first control mode, the train automatic protection system acquires train operation data based on the autonomous sensing system to perform train positioning and movement authorization control.
2. The train control method according to claim 1, characterized by further comprising: the target controller unlocks driving resources of the fault parking area according to the scheduling instruction; The train-ground communication of the fault train is abnormal, the fault train is operated to a fault stopping area in a first control mode, and whether the train is stopped is judged according to the position information fed back by the axle counter; if yes, a degradation route unlocking command is issued through an automatic train monitoring system; And the target controller unlocks the degraded route according to the degraded route unlocking command issued by the automatic train monitoring system.
3. The train control method according to claim 2, characterized by further comprising: Judging whether the fault train moves or not according to the position information fed back by the axle counter; if yes, the target controller locks driving resources of the area adjacent to the fault parking area where the fault train is currently located.
4. The train control method according to claim 1, characterized in that the train control method further comprises: If the train-ground communication of the fault train is abnormal, the train-ground communication of the rear train of the fault train is normal, and the target controller establishes a degraded route for the fault train; When the rear vehicle runs to the starting end of the degraded route, controlling the rear vehicle to run on the degraded route; The method comprises the steps that in the operation process of a degraded route, an autonomous sensing system of the rear vehicle collects line information of the degraded route, wherein the line information comprises barrier information; The rear vehicle transmits the line information acquired by the autonomous sensing system to a ground system, and the target controller judges the coincidence of the traveling route of the rear vehicle and the degraded route according to the line information and unlocks traveling resources in the coincidence area.
5. The train control method according to claim 4, characterized in that the train control method further comprises: when the rear vehicle runs to the starting end of the degraded route, judging whether the target path of the rear vehicle is identical to the degraded route of the current train; if yes, allowing the rear vehicle to enter a degraded access; and if not, allowing the rear vehicle to enter a degraded route, and driving to the end point of the overlapping area of the target path of the rear vehicle and the degraded route.
6. The train control method according to any one of claims 1 to 5, characterized in that the train control method further comprises: and if the fault train recovers train-ground communication in the degraded route, unlocking the route behind the tail of the fault train.
7. The train control method according to claim 6, characterized in that the train control method further comprises: if the fault train resumes the train-ground communication in the degraded route and the number of vehicles in the degraded route is 1, unlocking the route path which is in the autonomous perception range of the tail of the fault train and has no abnormal obstacle.
8. The train control method according to claim 1, characterized by further comprising: If a plurality of fault trains exist in the driving interval and each fault train has a train-ground communication fault, the train automatic protection system of each train controls each train to emergently brake.
9. The train control method according to claim 8, further comprising: if the destination of all the fault trains is known and the autonomous sensing system of all the fault trains is available, all the fault trains operate in the first control mode, the whole driving interval is locked as a fault area, and a degraded route is transacted from the last fault train.
10. The train control method according to claim 1, characterized in that the train control method further comprises: And when the train-ground communication system fails and the autonomous sensing system is invalid, the train operates in a second control mode, and in the second control mode, the train automatic protection system only executes train speed limiting control and train overspeed protection control.

Description

Train control method Technical Field The application relates to the technical field of rail transit, in particular to a train control method. Background The main stream train control system for urban rail transit mainly comprises a train control system (CBTC) and a train autonomous operation system (TACS) which are based on communication. The TACS system has the capability of autonomous train operation and train communication, and improves the train operation efficiency. Compared with a CBTC system, although TACS simplifies the CI/ZC host of the centralized station in terms of a logic architecture, physical trackside equipment (such as a shaft counter, a signal machine, a transponder and the like) still needs to be arranged, and the problems of high trackside equipment complexity and the like still exist. Disclosure of Invention Aiming at the problems of complex arrangement, large quantity and the like of the trackside equipment of the train control system in the prior art, the application provides a train control method for simplifying the configuration and the control flow of the train control system. A train control method implemented based on the train control system, the train control system comprising: The system comprises an autonomous sensing system, an autonomous sensing system and a control system, wherein the autonomous sensing system comprises a sensing system and an autonomous sensing host; The axle counter is only arranged in the fault parking area and is used for positioning the train in the fault parking area; The track side mark is arranged in a fault parking area and an operation parking area; The communication system comprises a train-to-train communication system for communication between trains and a train-to-ground communication system for communication between trains, wherein the autonomous perception host is connected with the train-to-ground communication system; The train automatic protection system is communicated with the autonomous sensing host and is connected with the train ground communication system; The train control method comprises the following steps: And when the train-ground communication system is in fault and the autonomous sensing system is effective, the train operates in a first control mode, and in the first control mode, the train automatic protection system acquires train operation data based on the autonomous sensing system to perform train positioning and movement authorization control. In some embodiments of the present application, further comprising: the target controller unlocks driving resources of the fault parking area according to the scheduling instruction; The train-ground communication of the fault train is abnormal, the fault train is operated to a fault stopping area in a first control mode, and whether the train is stopped is judged according to the position information fed back by the axle counter; if yes, a degradation route unlocking command is issued through an automatic train monitoring system; And the target controller unlocks the degraded route according to the degraded route unlocking command issued by the automatic train monitoring system. In some embodiments of the present application, further comprising: Judging whether the fault train moves or not according to the position information fed back by the axle counter; If yes, the target controller blocks the driving resources of the area adjacent to the fault stopping area where the fault train is currently located, other trains are prevented from entering the blocking area, emergency braking of the other trains in the blocking area is prevented, movement is prevented, and the system gives an audible and visual alarm to the control center. In some embodiments of the present application, the train control method further includes: If the train-ground communication of the fault train is abnormal, the train-ground communication of the rear train of the fault train is normal, and the target controller establishes a degraded route for the fault train; When the rear vehicle runs to the starting end of the degraded route, controlling the rear vehicle to run on the degraded route; The method comprises the steps that in the operation process of a degraded route, an autonomous sensing system of the rear vehicle collects line information of the degraded route, wherein the line information comprises barrier information; The rear vehicle transmits the line information acquired by the autonomous sensing system to a ground system, and the target controller judges the coincidence of the traveling route of the rear vehicle and the degraded route according to the line information and unlocks traveling resources in the coincidence area. In some embodiments of the present application, the train control method further includes: when the rear vehicle runs to the starting end of the degraded route, judging whether the target path of the rear vehicle is identical to the degraded route of the current train; if ye