Scheduling method and intelligent track control system for intelligent rail vehicle merging point

Abstract

The present invention provides a scheduling method and an intelligent track control system for an intelligent track vehicle merging point. The scheduling steps are as follows: step 1, the first merging point controller receives the application information sent by the track vehicle on the controlled track; On the track controlled by the first merging point controller; the application information includes the request information that the rail car requests to pass through the first merging point, the track number where the rail car is located and the request time when the rail car sends the application information; step 2, the first merging The point controller makes a track scheduling strategy according to the received application information of the rail cars; step 3, the first merging point controller controls the rail cars to pass the first merging point according to the scheduling strategy. The dispatching method and system of the intelligent rail vehicle merging point of the present invention can ensure that rail cars can safely pass through the merging point under any circumstances.

Description

technical field [0001] The invention relates to the technical field of rail transit, in particular to an intelligent rail vehicle merging point scheduling method and an intelligent rail control system. Background technique [0002] With the rapid development of social urbanization, the use of traditional public transportation will lead to serious congestion of urban roads. Therefore, in the face of the increasingly prominent problem of urban traffic congestion, a variety of public transportation methods have emerged, such as subways, new Energy BRT, smart rail, etc. Smart rail trains do not rely on rails to run, not only have a short construction period, but also have the characteristics of zero emissions and no pollution of rail trains. Therefore, smart rail cars will be fully integrated with the existing public transportation system to create an underground, ground and air. The three-dimensional transportation network provides a new solution to solve the transportation pr...

AI Technical Summary

Problems solved by technology

However, the passing time of vehicles on each track passing through the merging point is generally fixed, and the scheme of fixing the passing time will lead to sudden changes in the road traffic state. If there are passing vehicles, there will be a risk of collision

That is to say, in the automatic mode control, since each light position is displayed in a fixed countdown mode, then the stopped vehicle A is easy to start the program according to the displayed fixed countdown time, and the situation of "grabbing the green light" occurs; therefore , when the color state of the light changes, if one turnout is green, vehicle A will start to drive, and the other turnout will turn to red light, then the driving vehicle B will suddenly decrease its distance from the target. The speed is controlled according to the speed-distance curve, which will cause sudden braking, or the car cannot stop and run a red light, resulting in a collision with the vehicle A that is driving into the switch, making the road abnormal

[0005] For example, when there are two orbits passing merge point 4, such as figure 1 As shown, the vehicle A traveling on the first track 1 and the vehicle B passing through the branch point 5 and entering the second track 2 will pass through the first merge point 4 at the same time. The state at that time is: the light on the first track 1 is displayed as a green light, and the light on the second track 2 is displayed as a red light. Therefore, the driving vehicle A can pass through the merge point 4, but the driving vehicle B cannot. To pass, it is necessary to slow down or stop. Since the display state time of the traffic lights is fixed for 30 seconds, then after 30 seconds, the traffic and green states on the two switches change. At this time, the lights on the first track 1 are displayed as In the red light state, the light on the second track 2 shows a green light state, and the vehicle A on the first track 1 is driving and has not completely passed the first merge point 4. Although it receives a red light signal, it cannot stop immediately. It will collide with the vehicle B that has started to pass the first merging point 4; or the vehicle A on the first track 1 is far away from the first merging point 4, and it will use the farther target to control the speed of the speed distance curve, and the vehicle speed will be higher. Hurry up, when you suddenly encounter a red light signal, the tracking target becomes 10m behind the merge point 4 (equivalent to the stop line at the intersection), so that the tracking target distance suddenly becomes smaller, resulting in a sudden braking accident

[0006] Therefore, although the control method using simulated traffic light logic can reduce the risk of high-probability collisions at the merge point to a certain extent, it will still lead to sudden changes in the road traffic state and the risk of collisions. Therefore, a new scheduling scheme is urgently needed To solve the above technical defects

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