A control method, control device and control system for a traffic signal light

Abstract

The present application discloses a traffic signal light control method, control device and control system. The control method includes: detecting the first detection area and / or the second detection area of ​​the target lane after the initial green light phase of the signal light of the target lane ends Whether the traffic conditions of the vehicles meet the preset conditions; wherein, the target lane includes the detection blind area, the first detection area and the second detection area, which are sequentially set from the vehicle lane along the opposite direction of vehicle travel, and the vehicles in the first detection area and the second detection area The traffic situation is detected by the deployed detection equipment; if the preset conditions are met, the control signal light will enter the green flashing countdown stage; if the preset conditions are not met, the control signal light will enter the green light extension stage. Through the above method, the detection accuracy of traffic conditions can be improved, maintenance can be facilitated, and the green light duration of traffic lights can be dynamically adjusted according to traffic conditions, thereby avoiding traffic jams.

Description

technical field [0001] The present application relates to the technical field of traffic management, in particular to a control method, control device and control system for traffic signal lights. Background technique [0002] A traffic signal light is a signal light for directing traffic operation, and generally consists of a red light, a green light, and a yellow light. A red light means no access, a green light means permission to pass, and a yellow light means a warning. [0003] In the prior art, the phase switching (ie switching between red light, green light, and yellow light) of traffic signal lights is relatively fixed, generally at preset time intervals. For example, "red light for 30 seconds → green light for 20 seconds → green light flashes for 5 seconds → yellow light for 3 seconds", and so on. However, in practical applications, for different time periods (such as morning rush hour), different festivals, or special circumstances, the traffic flow will have a ...

AI Technical Summary

Problems solved by technology

However, in practical applications, for different time periods (such as morning rush hours), different festivals, or special circumstances, the traffic flow will have a large difference. If a fixed phase switching method is used, it may cause traffic jams and other consequences.

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