A lane change warning auxiliary method and system

Abstract

The invention discloses a lane change early warning auxiliary method and system, relates to the field of automobile control, and mainly includes a range acquisition module, a coordinate acquisition module, a data acquisition module, a vehicle speed judgment module and an alarm judgment module. It determines the detection range through the range acquisition module, and obtains the vehicle distance and the real-time speed of the rear vehicle through the coordinate acquisition module and the data acquisition module, and determines the lane change safety distance in different situations through the vehicle speed judgment module and the alarm and stability module, and According to the distance between vehicles and the safe distance of changing lanes, an alarm message will be issued. The present invention adds the lane changing requirements under different vehicle speeds into the judging conditions of the lane changing safety distance, so that the safety of the vehicle lane changing can be better judged, and the traffic flow information is also added into the judging conditions of the lane changing safety distance , so that the judgment of changing lanes can be adaptively adjusted according to the actual road conditions, making it more intelligent.

Description

technical field [0001] The invention relates to the field of automobile control, in particular to a lane change warning auxiliary method and system. Background technique [0002] When a car changes lanes, it needs to consider the distance between the vehicle behind and the vehicle behind to make a timely judgment on overtaking lane change. The relative speed of the car is not included in the judgment factors, which leads to some cases, although the distance between the two cars is within the safe range, but because the speed of the car in front is low and the speed of the car behind is too fast, the car in front is blocked when changing lanes. The rear car overtakes, causing serious rear-end traffic accident, and this harm is more serious in high-speed driving process. In addition, the judgment of traffic flow is also an important factor affecting the judgment of lane change. Under different traffic flow conditions, there are often different lane change judgments. Content...

AI Technical Summary

Problems solved by technology

[0002] When a car changes lanes, it needs to consider the distance between the vehicle behind and the vehicle behind to make a timely judgment on overtaking lane change. The relative speed of the car is not included in the judgment factors, which leads to some cases, although the distance between the two cars is within the safe range, but because the speed of the car in front is low and the speed of the car behind is too fast, the car in front is blocked when changing lanes. The car behind catches up, causing a serious rear-end traffic accident, which is more serious in the process of high-speed driving

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