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Train safety protection method, device and system

A technology for train safety protection and safety protection, applied in the field of rail transit, can solve the problems of low safety speed upper limit and low train operation efficiency.

Active Publication Date: 2021-04-02
TRAFFIC CONTROL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present application provides a train safety protection method, device and system, which are used to solve the problems in the existing virtual formation safety protection model that the upper limit of the safety speed of the following cars is low and the train operation efficiency is low

Method used

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  • Train safety protection method, device and system
  • Train safety protection method, device and system

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Embodiment Construction

[0059] In the process of implementing the present application, the inventor found that within the virtual formation, the following vehicle regards the leading vehicle as an obstacle, and at this time the leading vehicle and the following vehicle are both in the running state. The traditional train safety protection method adopts the absolute braking calculation method, that is, the speed of the obstacle in front is equivalent to zero, and the distance that the vehicle can stop safely before colliding with the obstacle is calculated. The distance calculated at this time does not consider the movement state of the obstacle, and simply regards it as a static state, so it is not suitable for the safety protection of the virtual marshalling train.

[0060] Therefore, for the internal vehicles of the virtual formation, it is necessary to adopt a calculation method of relative distance for safety protection, and this calculation method can take into account the motion state of the fol...

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Abstract

The embodiment of the invention provides a train safety protection method, device and system, and the method comprises the steps: firstly collecting the operation data of a following vehicle in a virtual group at a current moment, and predicting the acceleration of the following vehicle at a next moment according to the operation data; determining a target safety protection model from multiple different safety protection models according to the acceleration of the following vehicle at the next moment, wherein the multiple different safety protection models correspond to different safety speedupper limit values, and finally limiting the running speed of the following vehicle according to the safety protection speed. Different safety protection models are selected according to the predictedacceleration values of the following vehicles at the next moment, and therefore the running speed of the following vehicles of the virtual group can be controlled according to the different safety protection speeds corresponding to the different safety protection models. Compared with the prior art, a conventional safety protection model carries out traction at first and then performs emergent brake, the upper limit value of the running speed of the train can be fully excavated, the running speed of the train is increased, and then the running efficiency is improved.

Description

technical field [0001] The present application relates to rail transit technology, in particular to a train safety protection method, device and system. Background technique [0002] Virtual marshalling refers to the connection of two running trains into a whole train through virtual coupling technology. Virtual coupling connection means that through communication technologies such as vehicle-to-vehicle and vehicle-to-ground, the following vehicle can track the leading vehicle at close range, and the leading vehicle, etc. Stable operation at the same speed and spacing, to achieve the purpose of hard coupler connection. [0003] In the virtual formation, the following vehicle regards the leading vehicle as an obstacle, and the leading vehicle is running at this time, so the relative distance calculation method can be used to protect the safety of the vehicles inside the virtual formation. This calculation method can take into account the following vehicle and The motion stat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61L23/18
CPCB61L23/18Y02T90/16
Inventor 张蕾周桥
Owner TRAFFIC CONTROL TECH CO LTD
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