DRIVER ASSISTANCE SYSTEM AND METHOD FOR ASSISTING THE DRIVER OF A VEHICLE IN KEEPING TO THE LANE

摘要

The invention relates to a driver assistance system and to a method for assisting the driver of a vehicle (10) while driving, according to which a lane currently driven on by a vehicle is identified by means of a lane identification system, a guiding vehicle (20) preceding the vehicle (10) is identified by means of an object identification system, and the displacement lane thereof as an object lane, and assistance for keeping to the lane (3) is offered to the driver by means of a control device. The control device can be operated in a purely lane-related assistance mode in which the assistance is carried out on the basis of the identified current lane (30), in a purely object-related assistance mode in which the assistance is carried out on the basis of the identified object lane (37), and in a combined assistance mode corresponding to a combination of lane-related and object-related assistance modes, the assistance being offered over the entire speed range of the vehicle (10). The assistance mode used is determined according to the driving speed of the vehicle (10).