Real-time prediction method of subway train paths

A real-time forecasting and train technology, applied in forecasting, instrumentation, data processing applications, etc., can solve the problems that there is no real-time forecasting method of subway train trajectory, and achieve the effect of avoiding arbitrariness, overcoming low accuracy and improving accuracy

Active Publication Date: 2015-11-25
JIANGSU UNIV OF TECH
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AI Technical Summary

Problems solved by technology

The train coordinated control scheme under the complex road network operating conditions needs to calculate and optimize the operating status of a single train on the regional traffic network at the strategic level, and implement collaborative planning for the traffic flow composed of multiple trains; while the multi-train Running conflict resolution is based on the prediction of subway train trajectories. The running state of trains often does not completely belong to a specific motion state. At present, there is no effective real-time prediction method for subway train trajectories.

Method used

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  • Real-time prediction method of subway train paths

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Embodiment 1

[0038] A subway traffic flow optimization control system includes a line topology generation module, a data transmission module, a vehicle terminal module, a control terminal module, and a trajectory monitoring module. The trajectory monitoring module collects train status information and provides it to the control terminal module.

[0039] The control terminal module includes the following submodules:

[0040] Conflict-free trajectory generation module before train operation: According to the planned operation timetable of the train, the train dynamics model is established first, and then the train operation conflict pre-allocation model is established according to the train operation conflict coupling point, and finally the conflict-free train operation trajectory is generated.

[0041] Short-term trajectory generation module for train operation: According to the real-time status information of the train provided by the trajectory monitoring module, use the data mining model ...

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Abstract

The invention relates to a real-time prediction method of subway train paths. The real-time prediction method includes the following steps of generating a topology structure diagram of track traffic network based on the planned running parameters of trains; analyzing the controllability and the sensitivity of the train flows based on the topology structure diagram; generating the non-conflict running paths of trains based on the planned running parameters of the trains; and predicting the running positions of the trains in some future time based on the current running states and the historical position observation sequences of the trains at every sampling time. According to the invention, the movement path prediction precision of the subway trains is high.

Description

technical field [0001] The invention relates to a real-time prediction method of a subway train trajectory, in particular to a real-time prediction method of a subway train trajectory based on a robust strategy. Background technique [0002] With the increasing scale of large and medium-sized cities in our country, the urban traffic system is facing more and more pressure, and vigorously developing the rail transit system has become an important means to solve urban traffic congestion. The national "Eleventh Five-Year Plan" outline pointed out that large cities and urban agglomerations where conditions permit should take rail transit as a priority area of ​​development. my country is experiencing an unprecedented peak period of rail transit development. Some cities have shifted from line construction to network construction, and urban rail transit networks have gradually formed. In complex areas with dense rail transit network and train flow, the method of still adopting tr...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/30
Inventor 韩云祥黄晓琼
Owner JIANGSU UNIV OF TECH
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