Adaptive coordination control method for urban area traffic signal

A technology of coordinated control and traffic signals, applied in the direction of control of traffic signals, etc., can solve the problems of simple and immature system functions and application scenarios.

Inactive Publication Date: 2017-06-13
NORTH CHINA UNIVERSITY OF TECHNOLOGY
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  • Abstract
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  • Claims
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Problems solved by technology

However, these systems are generally only used in a limited range of specific areas in a few cities. The system functions and app

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  • Adaptive coordination control method for urban area traffic signal
  • Adaptive coordination control method for urban area traffic signal
  • Adaptive coordination control method for urban area traffic signal

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Embodiment Construction

[0035] The technical solution adopted in the summary of the invention will be described in detail below in conjunction with the accompanying drawings, and the main steps are as follows:

[0036] Step 1: Initialize the signal timing, refer to the single intersection Webster timing method and the regional signal coordination control strategy or the optimized signal timing to initialize the configuration of the control signal parameters at each intersection.

[0037] Step 2: Traffic data detection of each phase, through high-definition video detection, geomagnetism or induction coil and other detectors to detect the traffic flow in each phase, and provide a basic judgment on whether the phase time supply of each traffic flow can meet the actual traffic flow demand data.

[0038] Step 3: Phase demand analysis, based on the traffic flow detection data of each phase, the reference signal timing data in accordance with the traffic flow conditions is provided through the timing module...

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Abstract

The invention provides an adaptive coordinate control method for an urban area traffic signal, wherein a plurality of control optimization algorithms with different characteristics are integrated. Through establishing a timing module, a signal timing parameter at an area intersection is optimized according to the actual condition of a traffic flow. No matter the mounting position of a traffic flow detector in a road segment, control technology can be reasonably selected according to a configuration position condition. The method is suitable for signal adaptive coordination control with different traffic states in the area. Based on traffic requirements of the intersection in a plurality of periods, for improving integral traffic operation efficiency of an area, a phase requirement of a single intersection is comprehensively analyzed. An area signal adaptive coordination control strategy is made. Furthermore overflow (deadlock) detection and phase different optimization are performed on the traffic flow of the road segment, thereby reducing un-stability and potential safety hazard of the traffic flow caused by a real-time adaptive system, improving area traffic operation condition, alleviating traffic jam and improving passing capability of the area traffic.

Description

technical field [0001] The invention discloses an adaptive and coordinated control method for urban area traffic signals, which belongs to the technical field of intelligent traffic signal control. Background technique [0002] In recent years, with the rapid growth of the number of motor vehicles, the load of the urban traffic road network has become heavier and heavier, and the phenomenon of unbalanced traffic flow in the road network is very prominent. The ground affects the travel efficiency and safety of citizens. The main traffic arterial roads in urban areas are seriously congested during morning and evening peak hours, and the tide phenomenon of traffic flow is obvious. However, under the original signal control system, the degree of intelligent control is not enough to adapt to changes in traffic flow. Therefore, it is imminent to carry out unified management of light-controlled intersections in urban areas, establish an adaptive and coordinated control system for ...

Claims

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Application Information

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IPC IPC(8): G08G1/08
CPCG08G1/08
Inventor 唐少虎刘小明郑国荣陈智尚春琳张良
Owner NORTH CHINA UNIVERSITY OF TECHNOLOGY
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