Real-time variable lane control method and control system

Abstract

The invention belongs to the field of traffic management and control, and discloses a real-time variable lane control method and a control system. The real-time variable lane control method comprisesthe steps of establishing a variable guiding lane equal-vehicle average-delay model, solving a threshold condition for changing the function attribute according to the variable guiding lane equal-vehicle average-delay model, and drawing a threshold curve map; when a point which is obtained through combining an inlet lane straight driving and left-turn flow value is above the threshold curve, changing the lane function, and otherwise, keeping the original function attribute unchanged, and performing preliminary determining for whether the lane function changes. According to variable guiding lane technology, through dynamically adjusting lane function conversion, a defect of insufficient utilization rate of a left-turn lane or a right-turn lane caused by fixed turn lanes at a crossing can besettled. When the left-turn and straight driving traffic flow of the inlet lane reaches a certain threshold, the function attribute of the variable guiding lane should be changed, thereby realizing apurpose of optimized matching between the lane function and the turning unbalanced traffic flow.

Description

technical field [0001] The invention belongs to the field of traffic management and control, in particular to a real-time variable lane control method and control system. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] The traffic flow in the city is unevenly distributed in time and space, the flow direction of the intersection flow fluctuates greatly, and the left turn and straight lanes cannot be fully and balancedly utilized. Under the existing road supply conditions, how to rationally utilize the limited space-time resources of intersections and improve the traffic efficiency of urban road intersections has become a research hotspot of scholars at home and abroad. [0004] Variable lane technology can change the direction of lane indication at any time according to changes in traffic flow, effectively alleviating vehicle congestion. Variable lane technology can generally be applied to road secti...

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Problems solved by technology

[0010] (3) After analysis, it is found that most of the research technologies are limited to the control strategy of the variable directional lane in the form of a single entrance, and the form is relatively single, which cannot fully reflect the operation effect of the variable directional lane

[0012] The difficulty lies in: the control strategy of the variable directional lane in the prior art cannot trigger the variable directional lane scheme according to the flow ratio of different turning traffic flows for the passage of the intersection;

[0013] It is difficult to solve the problem of how to solve the problem of unbalanced turning traffic flow at the entrance of urban road signalized intersection and improve the traffic efficiency of the intersection;

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