Lane departure control system and lane departure control method

Abstract

The invention provides a lane departure control system and a lane departure control method. The lane departure control system detects whether vehicles depart from lanes or not based on a grid coordinate central axis and the distance among the vehicles and lane lines and detects whether obstacles exist within adjacent lane lines or not and whether vehicles come posterolaterally or not by means of digital image processing so as to provide early warning for safety driving. According to the lane departure control system and the lane departure control method, vehicle body information is acquired in real time, and different lane line types, different vehicle speeds and whether drivers have intention to change the lanes or not are specifically analyzed; when the vehicles are detected to have a tendency to depart from the lanes, an early warning system sends out a warning voice signal and a visual signal to remind the drivers of correcting departure of the vehicles or to assist the vehicles to keep the normal driving state after the vehicles change the lanes safely; and when the vehicles depart without being corrected, a vehicle body controller is started to perform safety driving assistance, so that driving safety of the drivers is effectively guaranteed, and accidents are reduced.

Description

technical field [0001] The invention relates to a safety driving assistance system, in particular to an early warning control system and method for a vehicle departing from a lane. Background technique [0002] Traffic accidents have always been one of the issues that people are most concerned about, and it is directly related to the loss of people's lives and properties. On urban roads, most of the traffic accidents are caused by active or passive illegal operation of drivers, which often cause serious casualties and property losses. [0003] With the development of today's society, the use time of cars is getting longer and longer, and the frequency of use is getting higher and higher. In news reports, drivers are in fatigue, even drunk driving, and drunk driving, which causes traffic accidents to happen from time to time. When the driver is tired or dozing off, the vehicle often crosses the lane markings without turning on the turn signal, and even fails to actively cont...

AI Technical Summary

Problems solved by technology

[0004] In the lane departure warning system of the related art, only the warning prompt for the vehicle leaving the lane is usually used to predict the time when the left and right critical trajectory of the vehicle deviates from the lane, and compare it with the preset threshold time, so as to judge the possibility of the vehicle leaving the lane. Reduce the accuracy of judging vehicle deviation, increase the number of accidents, and limit the function of the system, so that the system cannot develop in the direction of other auxiliary functions except early warning

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