Driver cognitive perspective-based pedestrian-vehicle-road coupling risk assessment method and device

A technology of risk assessment and risk assessment model, applied in the direction of instruments, data processing applications, resources, etc., can solve the problems of lack of risk assessment devices, analysis, and difficult to quantify the output risk value, etc., to achieve the effect of expanding the scope of application

Active Publication Date: 2019-11-05
TSINGHUA UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0008] Faced with a relatively complex and changeable operating environment, existing human-vehicle-road coupling risk assessment methods are difficult to analyze the interaction between vehicles, vehicles, and vehicles as a whole. Most of them are based on vehicle kinematics and dynamics theories.

Method used

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  • Driver cognitive perspective-based pedestrian-vehicle-road coupling risk assessment method and device
  • Driver cognitive perspective-based pedestrian-vehicle-road coupling risk assessment method and device
  • Driver cognitive perspective-based pedestrian-vehicle-road coupling risk assessment method and device

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[0052] The present invention will be described in detail below with reference to the drawings and embodiments.

[0053] The human-vehicle-road coupling risk assessment method based on the cognitive perspective of the driver provided in this embodiment includes:

[0054] S1: Acquire parameter information of the vehicle, the traffic environment around the vehicle, and the traffic object in the traffic environment around the vehicle.

[0055] Among them, the "parameter information of the own car" is the CAN information of the own car, which includes the motion state information of the own car: such as engine speed, acceleration and deceleration, brakes, speed, gear position, steering wheel angle and GPS information; the physics of the own car Parameters: such as vehicle mass, vehicle volume, vehicle launch performance, etc.

[0056] "The traffic environment around the own vehicle" means the traffic situation in an area covered by the own vehicle as the center. "Parameter information of ...

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Abstract

The invention discloses a driver cognition visual angle-based pedestrian-vehicle-road coupling risk assessment method and device. The method comprises the steps of S1, obtaining parameter informationof a vehicle, a traffic environment around the vehicle and a traffic object in the traffic environment around the vehicle; S2, inputting various types of information obtained in the step S1 into a vehicle-mounted sensor unit, wherein a pedestrian, vehicle and road coupling risk assessment model is preset in a vehicle-mounted sensor; and S3, outputting risk value of a single traffic object in the traffic environment around the vehicle and a risk Map map in the traffic environment around the whole vehicle through the pedestrian-vehicle-road coupling risk assessment model. The invention can comprehensively consider the coupling characteristics between people and vehicles, accords with the driver risk perception level, and quantifies the current environment risk value result based on the comprehensive risk assessment method of subjective cognition and objective evaluation of the driver, so as to guarantee the safety obstacle avoidance of the vehicle.

Description

technical field [0001] The present invention relates to the technical field of smart car application, in particular to a method and device for evaluating the risk of human-vehicle-road coupling based on the driver's cognitive perspective. Background technique [0002] The traffic system includes various elements such as people, vehicles, and roads. For the entire traffic system, driving risk is essentially a generalized instability of the human-vehicle-road closed-loop system, which is usually determined by the driver, road conditions, and the vehicle itself. The dynamic properties are jointly determined. The interaction between elements directly affects driving safety, but the influence mechanism and degree of influence between different elements are not the same, and the interaction relationship is complex. The basis for automotive safety control in road environments. [0003] At present, there have been a lot of research on driving risk at home and abroad. Risks can be...

Claims

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Application Information

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IPC IPC(8): G06Q10/06
CPCG06Q10/0635
Inventor 王建强黄荷叶郑讯佳许庆杨奕彬高丽英
Owner TSINGHUA UNIV
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