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Method for achieving train parking at stations through train braking ratio dynamic regulation

A dynamic adjustment, train technology, used in railway braking systems, vehicle control routing devices, railway car body components, etc.

Inactive Publication Date: 2012-06-27
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Perceptron is the simplest model used by neural network for pattern recognition, which belongs to the type of forward neural network, but a single-layer perceptron composed of only a single neuron can only be used to realize linearly separable two types of pattern recognition

Method used

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  • Method for achieving train parking at stations through train braking ratio dynamic regulation
  • Method for achieving train parking at stations through train braking ratio dynamic regulation
  • Method for achieving train parking at stations through train braking ratio dynamic regulation

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Effect test

Embodiment 1

[0065] image 3 It is a flow chart of a method for realizing train station parking by dynamically adjusting the train braking rate. image 3 Among them, the method for realizing train station parking by dynamically adjusting the train braking rate provided by the present invention includes:

[0066] Step 1: Set i=1. i is used to record the number of transponders passed by the train.

[0067] Step 2: When the train passes the i-th balise, the distance between the train and the parking point and the train speed are obtained through the balise, the theoretical braking rate of the train is calculated, and the train is controlled to output the theoretical braking rate.

[0068] When the train passes the transponder, the transponder can provide the train with information about the distance from the train to the stop and the speed of the train. According to the above information, the theoretical braking rate of the train can be calculated, and its calculation formula is

[0069] ...

Embodiment 2

[0083] Step 101: The train enters the parking area. At this time, the speed of the train is 36.00km / h (10.00m / s), and the train passes the first transponder. At this moment, the position of the train is 102m away from the parking point (the coordinate mark of the parking point is 1280.5m).

[0084] Step 102: The train obtains the speed and precise position information of the train at this moment through the first transponder. The controller substitutes the above collected information into the kinematic formula where the final speed of the train V 0 = 0, V 1 Equal to 10m / s, S 1 It is equal to 102m. Calculated A 1 Equal to -0.49m / s 2 . The train controller outputs this braking rate to the train braking system, and the train starts to decelerate.

[0085] Step 103, the train takes the above A 1 =-0.49m / s 2 Braking rate braking. During this process, the train is subject to basic resistance and random interference from the external environment. When the train passes the...

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Abstract

The invention discloses a method for achieving train parking at stations through train braking ratio dynamic regulation in the technical filed of rail traffic control. The method adopts accurate position information and train current speed information provided by transponders installed at stations to serve as input of a train braking system, and each time a train passes through a transponder, a theoretical braking ratio is calculated through kinematic formulas, and an actual braking ratio is calculated according to current train speed and positions. The method performs dynamic regulation on the next braking ratio according to difference between the theoretical braking ratio and the actual braking ratio, can further solve problems of inaccuracy in parking caused by factors of property difference of the train braking system and external environment changes, and improves adaptability of the train for parking accurately at the stations.

Description

technical field [0001] The invention belongs to the technical field of rail traffic control, and in particular relates to a method for realizing parking at a train station by dynamically adjusting the braking rate of the train. Background technique [0002] Before the train enters the station, the controller will output the braking rate to the train braking system to make the train decelerate, so as to ensure that the train stops accurately at the set position of the station. However, because the train often encounters basic resistance and random interference from the external environment during the running process, the train cannot accurately stop at the set position of the station under the fixed braking rate output by the controller. Considering that the balise is a device that can provide reliable ground fixed information and variable information to the train control vehicle equipment, the dynamic adjustment of the train braking rate can be realized by means of the balis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B61L3/02B61H11/00
Inventor 陈德旺陈荣
Owner BEIJING JIAOTONG UNIV
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