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Mobile block signal analogue control method of rail traffic

A mobile block and signal simulation technology, which is applied in the fields of railway traffic management, railway signal and safety, and transportation center control system, etc., can solve the problems of high memory requirements and reduced simulation accuracy, and achieve wide application range, high simulation degree, Effects that run fast

Inactive Publication Date: 2006-01-11
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Time-based method, easy to design and build simulation models, but requires high memory for calculation
The event-based approach saves computational memory, but somewhat reduces the accuracy of the simulation

Method used

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  • Mobile block signal analogue control method of rail traffic
  • Mobile block signal analogue control method of rail traffic
  • Mobile block signal analogue control method of rail traffic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Embodiment 1: In the rail transit mobile block signal simulation control method, the simulation system includes four parts: the station, the vehicle part, the rail transit along the line and the dispatching center. The on-vehicle part is the vehicle-mounted equipment such as the speed measurement system, the positioning system and the train detection system installed on the train. The part along the rail transit line is the ground sensor, recording and display system and other equipment installed along the track. The system control center is also the dispatching center. figure 1 Shown is the schematic diagram of the train signal control system under the condition of moving block. figure 1 , assuming that the length of the train is 100 meters, the acceleration and braking speed of the train are both 1 m / s 2 , the maximum speed of the train is 20 m / s, and the safety distance is 60 m.

[0055] During the simulation process, the sensors along the rail transit mainly comple...

Embodiment 2

[0061] Embodiment 2; as Figure 5 program flow chart;

[0062] The steps of the rail transit moving block signal simulation control method include:

[0063] Step 1: Initialize data;

[0064] Step 2: In a time step, detect the speed and position of the train;

[0065] Step 3: Calculate the distance between the train and the target point ahead, where the target point includes the position of the vehicle in front or the station in front;

[0066] Step 4: On the basis of the distance between the train and the target point ahead and the safety distance, according to the rules of the simulation model, calculate the speed of the tracking train;

[0067] Step 5: determine the position of the train at the next moment;

[0068] Step 6: After completing the tracking process of the train within a time step, judge whether to stop the switch; if it is, go to step 8; if not, go to step 7;

[0069] Step 7: Increase the time step by 1, go to step 2;

[0070] Step 8: The program ends.

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PUM

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Abstract

An analog control method for the running and blocking signal of railway traffic includes such steps as reporting the position, speed and direction to scheduling center by each train, transmitting the scheduling instruction to each running train by the scheduling center according to train running scheme, and regulating the acceleration or deceleration of each train by its driver.

Description

technical field [0001] The invention relates to a method for simulating and controlling rail transit moving block signals under moving block conditions, and belongs to the technical field of computer program control. Background technique [0002] In recent years, with the rapid development of data communication and computer technology, the problem of rail transit based on mobile block signal control system has received great attention. The signal control system of moving block is based on the actual position and speed of the train in front to determine the allowable position and allowable speed of the following train, etc., so that the interval between tracking trains is greatly reduced, and the road traffic is improved on the basis of ensuring traffic safety ability. [0003] In the rail transit system, whether it is the main line railway traffic, or the urban subway and light rail, the train control system plays a very important role. It is the brain and central system of...

Claims

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Application Information

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IPC IPC(8): B61L27/00G06F19/00
Inventor 李克平高自友宁滨唐涛
Owner BEIJING JIAOTONG UNIV