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Vehicle collision warning method and system

A vehicle collision and warning signal technology, applied in the field of vehicle collision warning, can solve the problems of not being able to give early warning signals in a timely and accurate manner, and unable to obtain information about the preceding vehicle, so as to reduce the rate of traffic accidents and improve the accuracy.

Active Publication Date: 2017-07-18
DONGFENG MOTOR CORP HUBEI
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  • Abstract
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Problems solved by technology

[0009] The traditional method of using radar or video technology to collect information about the surrounding environment of the vehicle has an inevitable defect in the active safety of the vehicle: it is impossible to obtain accurate information about the vehicle ahead
This makes certain defects in the upstream of the early warning effect of collision avoidance, and cannot give early warning signals in a timely and accurate manner.

Method used

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  • Vehicle collision warning method and system
  • Vehicle collision warning method and system
  • Vehicle collision warning method and system

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no. 1 example

[0038] figure 1 The flowchart of the first embodiment of the vehicle collision warning method of the present invention is shown. See figure 1 Each step of the vehicle collision warning method in this embodiment is described in detail as follows.

[0039] Step S10: Realize inter-vehicle information sharing between the preceding vehicle and the following vehicle through wireless communication.

[0040] The present invention transmits vehicle information by means of dedicated short-range communications (DSRC, Dedicated Short Range Communications). The front vehicle can transmit its position, speed, acceleration, vehicle length, vehicle width, vehicle condition and other information to the rear vehicle, thus providing more abundant vehicle dynamic information and characteristic information for the rear vehicle. DSRC technology can bring features such as time delay shortening and information sharing between vehicles. According to these features, the method for judging the possib...

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Abstract

The invention discloses a vehicle collision alarm method and system, and aims at improving the accuracy of early warning against collision, especially collision between vehicles front and back in the same lane, and reducing the possibility of traffic accidents on roads. The method comprises that information is shared by the vehicles front and back in the wireless communication manner DSRC; the vehicle in the back determines the possibility of collision between the vehicles front and back in the same lane on the basis of information transmitted by the vehicle in front, and two parameters including the acceleration and the stimulation intensity are determined; and an alarm signal is emitted based on the determined collision possibility.

Description

technical field [0001] The invention relates to an alarm method for vehicle collision, in particular to a method and system for judging the collision risk of vehicles in the same lane based on wireless short-range communication. Background technique [0002] The traditional car collision avoidance warning system is based on intelligent video analysis and processing, and realizes its warning function through dynamic video camera technology and computer image processing technology. The main functions are: vehicle distance monitoring and rear-end collision warning, forward collision warning, lane departure warning, navigation function, and black box function. [0003] This anti-collision warning system has the following functions: [0004] 1) Vehicle distance monitoring and early warning: the system continuously monitors the distance to the vehicle in front, and provides three levels of vehicle distance monitoring alarms according to the proximity to the vehicle in front; [...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/16
CPCG08G1/161G08G1/166
Inventor 原树宁郑洪江解正文王会鲜
Owner DONGFENG MOTOR CORP HUBEI
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