ACC control method and device based on side front vehicle lane changing intention recognition

Abstract

The invention discloses an ACC control method and device based on side front vehicle lane changing intention recognition, and the method comprises the steps: detecting an obstacle in the side front of a vehicle through a radar sensor, judging whether a target vehicle exists in the side front of the vehicle, and shooting an image of the side front of the vehicle when the target vehicle exists in the side front of the vehicle; judging whether a steering lamp of the target vehicle close to the lane is turned on or not or whether the frame number of continuous tracking of the target vehicle reaches the set frame number or not through the vehicle side front image; and if yes, defining the target vehicle as a stable tracking target. The radar sensor is used for detecting the obstacle in front of the vehicle, then the image in front of the vehicle is shot, the real lane changing intention is recognized by monitoring the motion state information of the different-lane vehicle and the state of the steering lamp, the vehicle speed is planned in advance in combination with the target vehicle speed, excessive dependence on driver experience and the driving state is avoided, and the driving safety is improved. More accurate and reliable lane change prediction is carried out, so that a safe distance is kept between the vehicle and the front vehicle, and the driving safety is improved.

Description

technical field [0001] The invention belongs to the field of adaptive cruise control, and in particular relates to an ACC control method and device based on recognition of the lane-changing intention of the vehicle in front of the side. Background technique [0002] With the development of automobiles becoming more and more intelligent, automatic driving functions are gradually installed on various models at home and abroad. The adaptive cruise control (Adaptive Cruise Control, referred to as ACC) of the vehicle coordinates with the electronic stability control system and the engine control system. Properly brake the wheels and reduce the output power of the engine so that the vehicle always maintains a safe distance from the vehicle in front. [0003] However, the real-time traffic situation is complex, and the movement state of the off-road vehicle and the state of the turn signal are changing rapidly. How to improve the safety of ACC is a problem. Contents of the invent...

AI Technical Summary

Problems solved by technology

[0003] However, the real-time traffic situation is complex, and the state of movement of vehicles in different lanes and the state of turn signals are changing rapidly. How to improve the safety of ACC is a problem.

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