Method for early warning of conflict between subway trains

Abstract

The invention relates to a method for early warning of a conflict between subway trains. The method comprises the following steps: firstly, generating a topological structure chart of a rail traffic network according to planned running parameters of each train; then on the basis of the topological structure chart, analyzing the controllability and the sensibility of a train flow; then generating conflict-free running tracks of a plurality of trains according to the planned running parameters of each train; then at each sampling moment, on the basis of current running states and historical position observing sequences of the trains, forecasting advancing positions of the trains at some moment in the future, establishing an observer for the logic of a continuous dynamic state to a discrete conflict state of the trains, and mapping the continuous dynamics into conflict states expressed by discrete observation values; and when a system has the possibility of violating traffic control rules, dynamic mixed behaviors of a mixed subway traffic system are monitored, and warning information is provided for a control center. Through the adoption of the method disclosed by the invention, the tracks of the subway trains can be cyclically forecast in real time and train conflict early warning can be given effectively, so that the safety of subway traffic is improved.

Description

technical field [0001] The invention relates to a subway train conflict early warning method, in particular to a subway train conflict early warning method 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 train operation plan combined ...

AI Technical Summary

Problems solved by technology

The train coordination 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; at the pre-tactical level At present, the congestion problem is solved by adjusting the key operating parameters in some areas of the transportation network through an effective monitoring mechanism, but there is currently no more accurate solution for the prediction of the trajectory of the subway train and the early warning of train conflicts.

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