Layout method of traffic sensor network in Internet of Vehicles environment

Abstract

The invention discloses a method for laying a traffic sensor network in an Internet of Vehicles environment, and the method comprises the steps: constructing an urban traffic network plan in a grid plane, and referring to historical traffic flow data of different road sections and all OD flows involved in an urban traffic network; constructing a two-stage stochastic programming model through the information of each road section in the traffic network and the traffic flow under different conditions, and solving the two-stage stochastic programming model; and finally, constructing a new integer programming model by adopting a genetic algorithm according to the two-stage stochastic programming model, and solving the new integer programming model to obtain an optimal site selection scheme. The method solves the problem of traffic sensor layout considering the uncertainty of the traffic flow of the road section in the urban traffic network under the background of the Internet of Vehicles, optimizes the layout of the traffic network by means of the road side unit adapted to the V2X communication, reduces the investment cost of traffic infrastructures, provides basic guarantee for the estimation of the traffic flow state of the urban traffic network, and improves the traffic flow state estimation efficiency of the urban traffic network. And a basis is provided for formulating an Internet of Vehicles environment construction scheme.

Description

technical field [0001] The present invention relates to the technical field of intelligent transportation, in particular to a method for laying out a traffic sensor network in a vehicle networking environment. Background technique [0002] With the increasing number of motor vehicles, on the one hand, automobiles solve the problem of people's travel, but they also bring many problems, including but not limited to traffic congestion, traffic accidents, air pollution, noise pollution, etc. In the urban transportation network, each vehicle is an isolated individual and fails to form a unified management system, which not only becomes the source of many accidents, but also causes many inconveniences to traffic management. [0003] The Internet of Vehicles is a combination of many fields such as automobiles, electronic communication, and the Internet. It is the core component of the future traffic management system and one of the most promising practical technologies for 5G verti...

AI Technical Summary

Problems solved by technology

In the urban traffic network, each car is an isolated individual, failing to form a unified management system, which not only becomes the source of many accidents, but also causes a lot of inconvenience to traffic management

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