Simulation Research Of Automobile AEB System Based On ADAS Experimental Platform

In recent years,due to the development of the domestic economy,the increasing per capita car ownership has caused road congestion,and as traffic conditions become more complex,various traffic accidents occur frequently,and collisions in front of vehicles are particularly typical.This article has read the relevant literature and learned that for the prevention of automobile frontal collision,relevant research at home and abroad focuses on the AEB system.Foreign related research shows that the system has a good effect on reducing the front collision of the car,and the domestic research on the system is relatively Lack of this,this paper carries out simulation research on the AEB system.Firstly,the research on the detection of obstacles in front of the car is carried out.It is learned that the function is mainly realized by the millimeter wave radar and the camera on the market,and the working principle of the two sensors to detect the obstacles in front of the vehicle is introduced.The braking process of the vehicle is involved in the AEB system,from which the braking distance formula is derived.The test conditions of the AEB system in C-NCAP include three kinds of vehicle driving conditions: the vehicle approaching the front stationary obstacle,the uniform moving obstacle,and the uniform deceleration moving obstacle.In the face of different degrees of collision risk,the AEB system adopts partial system.Dynamic and complete braking to avoid collisions,and develop a corresponding auxiliary braking and full braking safety distance model under various working conditions.Then,in order to enhance the working effect of the AEB system,the two-stage warning and two-stage braking are adopted.In order to cope with three different driving conditions,the corresponding early warning control strategy and braking control strategy are designed.At the same time,the corresponding early warning control structure diagram and brake control structure diagram are designed.The selection of the relevant parameter values involved in the AEB system is described,and the controller of the AEB system is developed.Finally,the ADAS experimental platform is introduced,including the function,hardware and software composition,performance index,platform structure of the platform,and how to establish the corresponding vehicle model on the platform.By introducing the AEB system model into the ADAS experimental platform,the simulation experiment of the AEB system in C-NCAP is selected.The experimental results show that the AEB system developed in this paper can realize the collision avoidance function of obstacles in front of the vehicle.