Method for dynamic securing
AssigneeMercedes-Benz Group AG
InventorsRalf Bogenrieder, Uwe Merz
Life of this patent
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Abstract
A method for dynamically securing an occupant strapped into a vehicle seat with a seat belt involves determining a lateral acceleration of the vehicle and a road course ahead of the vehicle. A lateral acceleration to be expected in the course of a bend ahead of the vehicle is predicted based on image data of a vehicle environment acquired by means of at least one camera on the vehicle and/or on the basis of acquired data of a navigation map. In the event that the predicted lateral acceleration exceeds a situation-dependent predetermined trigger threshold for tightening the seat belt, a belt force acting on the seat belt is increased before the lateral acceleration acts on the occupant.
Claims7
A method for dynamically securing an occupant strapped into a vehicle seat of a vehicle with a seat belt, the method comprising:
- storing a plurality of situation-dependent triggering thresholds for increasing a belt force acting on the seat belt;
- predicting a lateral acceleration to be expected in a course of a bend ahead of the vehicle based on image data of a vehicle environment acquired by at least one camera on the vehicle or based on acquired data of a navigation map;
- determining a current driving speed of the vehicle;
- selecting, based on a current situation of the vehicle and the current driving speed of the vehicle, one of the plurality of situation-dependent triggering thresholds, wherein the current situation is at least one of a driving mode set for the vehicle, a time of day or ambient brightness, a detected local accident frequency, and determined information from traffic signs;
- and
- increasing, responsive to the predicted lateral acceleration exceeding the selected one of the plurality of situation-dependent triggering thresholds, the belt force acting on the seat belt before the predicted lateral acceleration acts on the occupant,
- wherein the current situation further comprises at least one of detected signals from a rain sensor and a temperature outside of the vehicle.
A method for dynamically securing an occupant strapped into a vehicle seat of a vehicle with a seat belt, the method comprising:
- predicting a lateral acceleration to be expected in a course of a bend ahead of the vehicle based on image data of a vehicle environment acquired by at least one camera on the vehicle or based on acquired data of a navigation map;
- selecting one of a plurality of stored situation-dependent triggering thresholds based on a current situation of the vehicle, wherein the current situation of the vehicle is at least one of a driving mode set for the vehicle, a time of day or ambient brightness, a detected local accident frequency, and determined information from traffic signs;
- and
- increasing, responsive to the predicted lateral acceleration exceeding the selected one of the plurality of situation-dependent triggering thresholds, the belt force acting on the seat belt before the predicted lateral acceleration acts on the occupant,
- wherein the plurality of situation-dependent triggering thresholds are curves having predicted lateral acceleration on one axis and a current driving speed of the vehicle on another axis,
- wherein the current situation further comprises at least one of detected signals from a rain sensor and a temperature outside of the vehicle.
Dependencies are inferred from the claim text.