Crossroad traffic light control method based on Internet of Things

Abstract

The invention provides a crossroad traffic light control method based on Internet of Things. The method is applied to a traffic light system comprising a remote control center, a wireless control terminal, traffic lights and a traffic light auxiliary device. The remote control center calculates total vehicle flow data and total vehicle speed data passing a straight going signal lamp and a left turning signal lamp of four traffic lights in a traffic light group in the same time period of working days and non working days in the previous period; and carrying out data calculation according to a traffic light operation mode and a time control algorithm to obtain an operation mode of the four traffic lights, and the green light passing duration of each straight passing signal light and each left turning signal light in the each time period in the next period. According to the invention, the operation mode and green light passing time are dynamically adjusted according to flows and speed of vehicles in each direction of the crossroad, so intelligent control of traffic is achieved and the safe and unblocked crossroad is ensured.

Description

technical field [0001] The invention belongs to the field of intelligent transportation, in particular to a method for controlling traffic lights at intersections based on the Internet of Things. Background technique [0002] Traffic is the lifeblood of urban economic activities and plays a very important role in the development of urban economy and the improvement of people's living standards. At present, the traffic pressure in most cities is relatively high, especially the traffic congestion in large cities is serious, which has seriously restricted the development of urban economy and the improvement of people's living standards. In order to alleviate the current pressure on urban traffic, municipal departments often rely on measures such as road widening and overpass construction to improve road facilities. However, it is not easy to implement such a large renovation project in a crowded city. Furthermore, the transportation department in some areas, combined with the ...

AI Technical Summary

Problems solved by technology

And the types of road intersections are different, such as crossroads, T-shaped intersections, three-way intersections, continuous straight lines with multiple traffic lights, etc. It is obviously inappropriate to use the same traffic light control method for different types of road intersections

Therefore, the research on traffic light signal control has not obtained breakthrough progress.

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