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Vehicle early warning method, device and computer equipment

A vehicle and vehicle operation technology, which is applied in computing, road vehicle traffic control system, image analysis, etc., can solve problems such as inaccurate road curvature, low accuracy, and errors, and achieve improved accuracy, improved accuracy, and vehicle The effect of driving safety

Active Publication Date: 2022-05-06
GUANGZHOU AUTOMOBILE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since the curvature of the road obtained by using high-precision maps deviates from the actual situation, and the curvature of the actual route the vehicle travels is not necessarily the same as the curvature of the road during driving, the obtained road curvature is inaccurate. It is easy to produce large errors, resulting in low accuracy of early warning

Method used

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  • Vehicle early warning method, device and computer equipment
  • Vehicle early warning method, device and computer equipment
  • Vehicle early warning method, device and computer equipment

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Embodiment Construction

[0038] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0039] The method for screening vehicles to be warned and the vehicle warning method provided in the embodiments of the present application can be applied to Figure 1a As shown in the system, the system includes a vehicle and a road test unit. The system may be a V2X system. The V2X system (including V2V, vehicle to vehicle, vehicle-to-vehicle communication, and V2I, vehicle to infrastructure, vehicle and roadside unit communication) By periodically broadcasting the vehicle's own vehicle information and the vehicle's motion characteristics. Optionally, vehicle information broadcast by oth...

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Abstract

The present application relates to a vehicle early warning method, device and computer equipment. The method includes: acquiring the vehicle information of the host vehicle and the vehicle information of the vehicle to be warned, and determining the movement of the vehicle to be warned according to the vehicle information of the host vehicle and the vehicle information of the vehicle to be warned by using a kinematic bicycle model Whether there is the closest distance point with the host vehicle on the trajectory; if it exists, then according to the vehicle motion parameters, determine the collision time when the vehicle to be warned collides with the host vehicle; according to the collision time and the At the closest point, a safety warning is given to the vehicle to be warned. The vehicle information is used to represent the driving state and physical attribute information of the vehicle. The method can improve the accuracy of vehicle early warning.

Description

technical field [0001] The present application relates to the technical field of automatic driving, in particular to a vehicle early warning screening method, device and computer equipment. Background technique [0002] With the development of technology, vehicle-to-everything (V2X) system technology is widely used in automatic driving, and the most critical application includes collision warning for vehicles. [0003] Usually, the way of vehicle early warning is to monitor road conditions through various sensors, such as cameras or radars, so as to realize vehicle early warning. However, in the V2X system, there are no sensors such as cameras or radars. Therefore, the curvature of the road obtained by high-precision maps can be used, and the curvature of the road can be obtained through the driving corner of the vehicle, and then vehicle warning can be performed according to the curvature of the current road. [0004] However, since the curvature of the road obtained by us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/16G06T7/246
CPCG08G1/166G06T7/246G06T2207/10016
Inventor 蔡之骏杨波张志德张莹冯其高
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD