Multi-phase bus priority control method based on V2X technology

Abstract

The invention discloses a multi-phase bus priority control system based on V2X technology in the technical field of intelligent traffic, which mainly comprises an RSU end and an OBU end, and is characterized in that the RSU end hardware comprises an RSU end V2X core control module, a bottom plate module, a driving module, a yellow flashing module, a control panel module and a vehicle inspection communication module; the OBU end hardware comprises an OBU end V2X core control module and a man-machine interaction display screen; the method is suitable for a multi-bus priority scene of a single intersection, bus priority application signals of multiple conflicts can be met at the same time, in the face of multi-vehicle conflicts, a decision tree algorithm is used for calculating various possible decision schemes, the minimum total per capita delay time of the intersection is used as a judgment basis, a final decision scheme is determined, and the decision-making efficiency is improved. While the bus priority is ensured, the per capita delay condition of the intersection is reduced as much as possible, the benefits of most people are ensured, and the traffic capacity of the intersection is greatly improved.

Description

technical field [0001] The invention relates to the technical field of intelligent transportation, in particular to a multi-phase bus priority control method based on V2X technology. Background technique [0002] With the rapid and stable development of the national economy, the process of urbanization in all parts of the country is advancing rapidly, and the improvement of economic level has promoted the rapid growth of motor vehicle ownership in various regions. However, the construction of cities in my country, especially the construction of urban roads, is difficult to Following the pace of its development, it has caused a series of traffic problems, such as frequent traffic congestion, traffic accidents, traffic delays and other incidents, and also aggravated environmental problems such as exhaust gas pollution and noise, which affect the normal life of urban residents and Sustainable and healthy social and economic development. [0003] In recent years, my country's pop...

AI Technical Summary

Problems solved by technology

On the one hand, the communication technology of traditional bus priority is single, and the interaction is poor. In the whole control process, it is impossible to reliably grasp the bus itinerary, and it is impossible to accurately realize the priority control, which will increase the delay time at the intersection.

On the other hand, the existing bus priority is mainly controlled by a single bus priority signal, and there is no analysis and priority traffic strategy for multiple bus priority scenarios, which is exactly one of the most frequently occurring scenarios in daily life

Limited by the vehicle detection technology, it is impossible to predict the passing time of the vehicle well, and the additional delay time of the non-priority phase is also a significant shortcoming of the existing bus priority control method

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