Networked public transport priority signal coordinating control method

A technology of bus priority and coordinated control, which is applied in the control of traffic signals, genetic models, etc., to achieve good universality and solve the coordination and optimization problem of large-scale networked signal control systems.

Inactive Publication Date: 2011-05-11
BEIHANG UNIV +1
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Problems solved by technology

[0005] In view of this, the main purpose of the present invention is to provide a networked bus priority signal coordination control method, to solve the problem of coordination and optimization of the large-scale networked signal control system of traffic network control, in improving the efficiency of public transport operations in the region, that is, to improve The average non-waiting passing rate of public transport vehicles, the reduction of travel time, and the improvement of the effective green light time in conflicting directions and other indicators simultaneously achieve the comprehensive optimal effect of public transport vehicles and social vehicles

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[0033] The method of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments of the present invention.

[0034] The basic idea of ​​the present invention is: in the process of optimizing the coordinated control of networked bus priority signals, the signal control scheme of fixed-period induction control is adopted, and the genetic algorithm method and networked genetic algorithm coding scheme oriented to the optimization of large-scale signal control systems are designed , optimize the signal period, green signal ratio, priority ratio and initial offset of each intersection in the area; take the average no-waiting passing rate of buses, travel time, effective green light time in conflicting directions, and green wave effect in bus directions as indicators to establish A comprehensive control adaptation value function is developed.

[0035] figure 1 It is a flow chart of the networked bus priority signal c...

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Abstract

The invention discloses a networked public transport priority signal coordinating control method. The method includes: adopting a fixed cycle induction controlled signal control project, designing an inheritance algorithm method facing to the optimization of the large-scale signal controlled system and a networked inheritance algorithm code scheme with the universality, and setting an integrated control adapting value function inosculated with a plurality of evaluating indicators. The method is simple and easy to realize, can solve the large-scale networked signal controlled system coordinating optimizing problem, is suitable for various network, and can improve the public transport operation efficiency in the region and reach the synthetic optical effect of the public transport vehicles and social vehicles.

Description

technical field [0001] The invention relates to a traffic signal control technology, in particular to a networked bus priority signal coordination control method. Background technique [0002] In order to solve the contradiction between the increasing number of vehicles, passengers, pedestrians and limited traffic resources in the city, giving priority to the development of public transportation has become an important means to solve urban traffic problems. To develop public transportation, we must first improve the utilization efficiency of transportation facilities and improve the service capacity of transportation. Therefore, the priority of public transportation signals as a traffic control method has become one of the main methods. [0003] For example, the existing Bus Rapid Transit (BRT) has good road priority conditions and has exerted huge social benefits since it was put into use in Beijing. Important holidays can reach the level of 220,000 passengers per day, and...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/07G06N3/12
Inventor 张海郭欣蕾董雪雅佟强周显明姜秉楠张阳张晓鸥
Owner BEIHANG UNIV
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