Novel control system and method for urban intersection without traffic signal lights

Abstract

The invention discloses a novel control system and method for an urban intersection without traffic signal lights. An acquisition device acquires a vehicle queue length of the intersection; a signal controller makes corresponding response control and strategy according to the vehicle queue length and carries out phase switching of allowing to pass and forbidding to pass; the response control and strategy are that: when phase switching is carried out, if the vehicle queue length of the waiting intersection is smaller than or equal to a minimum length threshold, shortest time of allowing to passis output, and if the vehicle queue length of the waiting intersection is greater than or equal to a maximum length threshold, longest time of allowing to pass is output; and a 3D-shadow curtain walldisplay system displays time of allowing to pass or forbidding to pass at the intersection. By adopting the novel control system and method disclosed by the invention, switching of signals of allowing to pass or forbidding to pass can be determined according to flow of vehicles and pedestrians, so that green light time is effectively saved, a case that no vehicles or pedestrians pass in the greenlight time in the conventional fixed signal time assignment is avoided, and passing efficiency of a road is improved.

Description

technical field [0001] The invention relates to the technical field of urban intelligent traffic, in particular to a novel control system and method for urban intersections without traffic lights. Background technique [0002] In recent years, with the rapid development of urbanization, the urban population has also increased rapidly, which has brought many urban traffic problems. Among them, the traffic safety issue, which is closely related to our life, is the most prominent one among many issues. Especially in the area of ​​urban intersections, the mixed traffic of people and vehicles has brought a lot of inconvenience to traffic control and management. Although the traffic control department has adopted management and punishment measures for pedestrians at intersections, such as setting up automatic pedestrian barriers, fines for violators or video exposure etc., but still cannot effectively curb the behavior of "Chinese-style" crossing the road, and the intersection ar...

AI Technical Summary

Problems solved by technology

Therefore, it is a good way to combine these mature high technologies and apply them in the mixed control of people and vehicles at urban intersections.

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