Optimal control method and device for traffic artery signal lamps

A technology for optimizing control and traffic arteries, which is applied in the direction of controlling traffic signals, traffic control systems, road vehicle traffic control systems, etc., can solve problems such as inability to control traffic lights in main roads, reduce the length of waiting vehicles, improve the green signal ratio, reduce The effect of average waiting time for vehicles

Active Publication Date: 2014-02-12
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention provides a method and device for optimal control of traffic trunk signal lights, which are used to solve the problem in the prior art that the traffic trunk signal lights cannot be effectively controlled

Method used

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  • Optimal control method and device for traffic artery signal lamps
  • Optimal control method and device for traffic artery signal lamps
  • Optimal control method and device for traffic artery signal lamps

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] method embodiment

[0032] An embodiment of the present invention provides a method for optimal control of traffic arterial signal lights, such as figure 1 shown, including:

[0033] Step S101, based on the pre-collected traffic volumes of the third-class roads entering and leaving the arterial roads between adjacent intersections of the arterial road, correcting the vehicle speed parameters and traffic volume of the arterial road between adjacent inte...

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Abstract

The invention discloses an optimal control method and device for traffic artery signal lamps. The method includes the step of subsystem dividing, the step of subsystem processing and the step of green wave control. According to the step of subsystem dividing, on the basis of flows, collected in advance, of vehicles driving in and driving away an arterial road from all three-level roads between adjacent intersections of the arterial road, vehicle passage speed and the flows of the vehicles of the adjacent intersections of the arterial road are corrected, association degrees between the adjacent intersections are calculated, and the intersections of the arterial road are divided into subsystems according to the association degrees; according to the step of subsystem processing, periods of the subsystems and split green ratios of all the intersections are calculated to obtain green wave control parameters; according to the step of the green wave control, the green wave control is performed on the subsystems with the association degrees larger than or equal to a set value I2 by using the obtained green wave control parameters. According to the mutual association degrees, all the intersections of the arterial road of urban traffic are divided into the subsystems to be processed to achieve the green wave control effect, so that the split green ratios of the traffic intersections are improved, and most vehicles can pass through green wave bands.

Description

technical field [0001] The invention relates to the field of urban traffic road control, in particular to a method and device for optimal control of traffic arterial signal lights. Background technique [0002] At present, road congestion has become a prominent problem faced by urban traffic. Many experts in the industry focus on ITS (Intelligent Transportation), hoping to alleviate urban congestion through ITS. The green wave coordination system is an important means for ITS to improve traffic efficiency and relieve congestion. [0003] The green wave coordination system is one of the core systems of ITS. Green wave control of urban intersection signals refers to the coordinated control of traffic signals at several consecutive intersections in a main road. The purpose is to make the vehicles driving at the intersections of the coordinated control of the main road pass through the intersections in the coordinated control system without encountering red lights or rarely en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/08
CPCG08G1/081G08G1/08
Inventor 付强王景成董振江苗浩轩罗圣美胡霆赵广磊
Owner ZTE CORP
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