Road traffic safety pre-warning method for expressway

A highway and safety early warning technology, which is applied in the traffic control system of road vehicles, traffic flow detection, traffic control system, etc., can solve the problems of huge negative effects on traffic safety, and reduce the possibility of accidents, uniform density, ease The effect of congestion severity

Inactive Publication Date: 2017-05-10
JILIN UNIV +2
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Problems solved by technology

However, the history of the existence and development of expressways in my country is not long, and some key technologies for expressway safety management an

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  • Road traffic safety pre-warning method for expressway
  • Road traffic safety pre-warning method for expressway
  • Road traffic safety pre-warning method for expressway

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Embodiment Construction

[0015] The present invention proposes a highway traffic safety early warning method, which is based on the real-time road state information detected by the highway system, short-term forecast weather information and traffic flow data, through the analysis of various influencing factors of the traffic system, from Carry out comprehensive evaluation analysis and early warning on expressway traffic safety from four aspects: people, vehicles, roads and environment. The specific implementation process of a kind of expressway road traffic safety early warning method that the present invention proposes is as follows:

[0016] (1) Expressway Traffic Safety Early Warning Module

[0017] The expressway traffic safety early warning module includes two parts: the road availability judgment model and the single factor meteorological early warning model. The road usability judgment part is determined based on the road status information actually collected by monitoring the road; the single...

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Abstract

The invention belongs to the technical field of road traffic safety, and in particular relates to a road traffic safety pre-warning method for an expressway. The method comprises the following steps: performing safety pre-warning to vehicles which operate on a section subjected to unfavorable factors or vehicles which are about to drive into the affected section and providing a reasonable safe driving vehicle speed or vehicle distance according to real-time traffic data acquired by multi-source traffic data detectors such as an expressway traffic weather detector and a traffic flow parameter inductor; meanwhile, judging whether jam exists or not according to the detected traffic flow and density; and coordinating density among the sections and the flow of passageway ramps in multiple constraint conditions to ensure uniform density of the sections. Therefore, the operating safety of road traffic is effectively enhanced, the road traffic guidance and management coordination degree can be remarkably enhanced, and a scientific and reasonable pre-warning management decision for a road traffic manager and the optimal safety guarantee for a user are provided to the maximum extent.

Description

technical field [0001] The invention belongs to the technical field of road traffic safety, and in particular relates to an expressway road traffic safety early warning method. Background technique [0002] The development of expressways promotes the high-speed operation of passenger flow, logistics, and information flow, greatly improves transportation efficiency, and brings significant social and economic benefits. However, the history of the existence and development of expressways in my country is not long, and some key technologies for expressway safety management and expressway operation safety monitoring have not been well grasped, so sometimes the negative effects of traffic safety caused by "high speed" huge influence. Therefore, research on traffic safety early warning technology for expressways is urgent. Expressway traffic safety early warning technology adopts scientific and advanced analysis methods, comprehensively uses information technology, computer techno...

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Application Information

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IPC IPC(8): G08G1/16G08G1/01
CPCG08G1/0145G08G1/166
Inventor 于德新林赐云张伟邢茹茹龚勃文杨庆芳瞿卫东赵小辉周户星王树兴马晓刚郑黎黎王薇杨帆
Owner JILIN UNIV
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