Congested road section modeling and evaluation method based on complex network

Abstract

The invention relates to a congested road section modeling and evaluation method based on complex network. In the method, aiming at a congestion phenomenon of a traffic network, innovation is executedfor the conventional traffic road network in combination with a method of the complex network, in the traffic road network with time-varying characteristics, a traffic network quantification method is optimized through user-defined weight density and neighborhood density, and traffic efficiency of the traffic network is evaluated in combination with a percolation theory and a complex network theory. In the method provided by the invention, research on the network traffic can be simplified through the complex network theory, the congestion phenomenon is described visually, a topologic structure of the road network is analyzed deeply and traffic flow property is investigated, consequently, different methods and angles of view are provided for research on the modern traffic road network; bycombination of the percolation theory and the complex network theory, the field of research on the traffic network can be expanded, a novel method is created, theoretical foundation is provided for solving traffic problems, and a role in guidance is realized.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to a method for modeling and evaluating congested road sections based on complex networks. Background technique [0002] With the rapid development of the urban economy, the number of motor vehicles is increasing rapidly, and the ever-increasing urban roads are still unable to carry a large amount of traffic flow, resulting in serious obstacles to normal traffic in the city and frequent traffic congestion. Especially in big cities, traffic jams have become the norm. Traffic congestion and the ensuing environmental pollution and energy shortages have become major issues affecting urban development and citizens' living standards. [0003] As one of the extremely important means of modern urban traffic management, the identification and management of bottleneck road sections will determine the efficiency of urban road vehicle operation to a certain extent. However,...

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Problems solved by technology

[0006] In order to overcome the above-mentioned deficiencies, the present invention aims to provide a method for modeling and evaluating congested road sections based on complex networks. The present invention aims at the congested phenomena of traffic networks and combines the methods of complex networks to innovate traditional traffic road network research. In the time-varying traffic network, optimize the traffic network quantification method with custom weight density and neighbor density, and combine percolation theory and complex network theory to evaluate the traffic efficiency of the traffic network

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