Intelligent coordination control method for traffic flow of urban road network with public traffic priority

Abstract

The invention discloses an intelligent coordination control method for traffic flow of an urban road network with public traffic priority. Each intersection is provided with a network type multi-phase intelligent signal controller, and the intelligent signal controller consists of six main parts, namely a local intersection signal control module, an adjacent intersection information processing module, a communication module, a local vehicle information processing module, a social vehicle detection module, and a public traffic vehicle detection and positioning module. A core part of the intelligent signal controller is the local intersection signal control module which consists of three submodules, namely a public traffic priority module, a green light observation module and a phase switching module, and each module adopts a fuzzy decision method. The method realizes the coordination of the traffic flow of the whole urban road network and the prior pass of public traffic through the information exchange and coordination between intelligent signal controllers of adjacent intersections; and in time-varying and large-flow traffic environment, the control effect of the method is obviously superior to that of the conventional single intersection vehicle induction control method.

Description

technical field [0001] The invention relates to a traffic control method in the technical field of automatic control, in particular to an intelligent coordinated control method for urban road network traffic flow with public transport priority. Background technique [0002] The road traffic network of large and medium-sized cities usually contains hundreds of intersections. Such a large and complex traffic network must control vehicle traffic through orderly traffic signals. The traffic network with multiple intersections has the mutual influence of traffic flow between intersections, and only considering the traffic problem of a single intersection cannot make the entire network reach the best traffic state. In the complex time-varying traffic environment, improving the coordination of traffic signals between intersections to increase the traffic capacity of the entire road network is the key to road network traffic signal control. In recent years, many experts and scholar...

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At home and abroad, a lot of research has been done on the planning, control and management of bus

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