System and method for performing autonomous emergency braking

Abstract

A system and method for performing autonomous emergency braking (AEB) based on peripheral situations of a vehicle. The AEB system includes a front lateral detection sensor, a vehicle dynamics sensor, and an electronic control unit (ECU). The front lateral detection sensor detects a distance and a relative speed between a host vehicle and a peripheral object, or transmits peripheral images of the host vehicle to the ECU. The vehicle dynamics sensor detects a driving speed of the host vehicle, and transmits the detected driving speed to the ECU. The ECU receives detection signals from the front lateral detection sensor and the vehicle dynamics sensor, and increases a size of an AEB control available region and/or an AEB control available speed when at least one leading moving object or at least one external object is present in longitudinal and latitudinal directions of a forward region of the host vehicle and the host vehicle is unable to perform steering avoidance capable of preventing collision with the leading moving object or the external object. Accordingly, even when several leading vehicles are present not only in longitudinal but also latitudinal directions of a forward region of the host vehicle and the host vehicle is unable to perform steering avoidance, the possibility of collision between the host vehicle and the leading vehicles can be reduced.