Method for automatically assisting a motor vehicle for driving

Abstract

The invention relates to a method for automatically assisting a motor vehicle (6) in driving at an exit (2) of a main road (1), in which a current position (16) of the motor vehicle (6) is determined, in which an imminent driving at the exit (2) is identified, and in which geometry data (22) of the exit (2) is acquired from a first database (20) on the basis of the current position (16), according to the invention, current information (26) relating to a traffic lane characteristic (30) of the exit (2) and/or to a traffic situation (28) in the exit (2) is detected and/or determined from a second database (24) on the basis of the current position (16), a critical speed (vk) at which the motor vehicle (6) travels at the exit (2) is determined on the basis of geometry data (22) of the exit (2) and on the basis of information (26) relating to a traffic lane characteristic (30) of the exit (2) or to a traffic condition (28) in the exit (2), and/or a parameter (36) relating to a turn-around driving performance (q) of the motor vehicle (6) is determined, and wherein the threshold speed (vk) of the motor vehicle (6) travels at the exit (2), and outputting at least one warning signal and/or actuating the braking process as a function of the determined critical speed (vk) and/or the determined parameter (36) relating to the turning driving performance (a).

Description

technical field [0001] The invention relates to a method for automatically assisting a motor vehicle for driving at an exit of a main road, wherein an imminent drive at the exit is detected, wherein at least one warning signal is output and / or a braking process is actuated. Background technique [0002] For motor vehicle (KFZ) drivers, driving off major roads, such as highways, multi-lane federal highways, or other expressways is often a particular challenge, as driving at the exit of expressways often requires Slow down, but drivers often underestimate their current speed because they are used to higher speeds on the highway. This can lead to sudden steering and / or braking maneuvers in the exit, or even to leaving the lane, which can also endanger other traffic participants. [0003] For the driver, the situation is often additionally compounded by the inability to initially understand the end of congestion in the exit, the narrowing or narrowing of the lane width in the e...

AI Technical Summary

Problems solved by technology

[0004] In the case of a towed vehicle with a trailer, due to the increased weight and due to the change of the steering behavior of the trailer, unexpected reactions of the trailer can occur in the exit curve, which additionally increases the difficulty of control

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