Method and device for controlling speed limit of urban traffic

Abstract

The invention relates to the technical field of vehicle monitoring, in particular to a method and device for controlling speed limit of urban traffic. The method comprises the following steps: acquiring current first road condition information; transmitting the road condition information to a mobile edge computing platform and preprocessing the first road condition information by the mobile edge computing platform; transmitting the processed first road condition information to a data processing system; according to second road condition information acquired in the data processing system and the processed first road condition information, calculating an optimal speed limit and a recommended vehicle speed that correspond to each road; transmitting the optimal speed limit and the recommended vehicle speed to a road side unit of a corresponding road and converting the optimal speed limit and the recommended vehicle speed into speed limit signals by the road side unit; and transmitting the multiple speed limit signals to a road side display device and / or a vehicle in a preset range via a vehicle network communication system. According to the invention, the vehicle flow running speed becomes reasonable on different roads within different time; and urban development is promoted.

Description

Technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to a speed limit control method and device for urban traffic. Background technique [0002] With the development of the economy, the automobile industry has also developed faster and faster, and the number of cars has gradually increased. Road traffic has become more and more congested. Over congested traffic has also led to frequent traffic accidents. Safety issues and road traffic jams have already affected the development of cities and people's travel. [0003] At present, traffic management has become an important issue in urban development. People mainly aim to improve the efficiency of the traffic system, reduce traffic congestion, and thereby improve the quality of the traffic environment. There are many ways to improve the efficiency of the traffic system, such as expanding the width of roads and reducing the number of running vehicles. Increasing the speed of t...

AI Technical Summary

Problems solved by technology

[0003] At present, traffic management has become an important issue in urban development. People mainly want to improve the efficiency of the traffic system, reduce traffic congestion, and improve the quality of the traffic environment. There are many ways to improve the efficiency of the traffic system, such as expanding the width of the road, reducing the number of vehicles, The method of increasing the speed of traffic flow is the most effective way; however, increasing the speed of traffic flow is mainly based on the speed limit plate to control the speed of traffic flow. Such traffic management efficiency is too low. For example, the same road, in the The traffic flow is different in different time periods, especially during the rush hours of the day and night when the traffic flow is very large. Using the same speed limit will lead to traffic congestion, so it is necessary to reasonably control the speed of the traffic flow

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