IP Library › Granted Patent US 12669594
Granted Patent B2
US 12669594 · App. 18/274,744 · Granted Jun 30, 2026

Method and device for determining a detection range of a sensor of a motor vehicle

Inventors: Luca Parolini (Landshut, DE); Sebastian Schneider (Feldkirchen, DE)
Assignee: Bayerische Motoren Werke Aktiengesellschaft
G01S7/497G01S7/40G06T7/80H04L67/125
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Quick Facts
Patent No.
US 12669594
App. No.
18/274,744
Granted
Jun 30, 2026
Kind
B2
Abstract

A method for determining a detection range of a sensor installed in a motor vehicle is provided. The sensor scans a surroundings of the motor vehicle. The method includes detecting a predefined object in the surroundings of the motor vehicle by way of the sensor, determining a distance of the detected object to the motor vehicle and determining the detection range based on the determined distance.

Claims (21)

1 . A method for determining a detection range of a sensor that is installed on a motor vehicle and scans a surroundings of the motor vehicle, the method comprising:

detecting a predetermined object in the surroundings of the motor vehicle by way of the sensor,

determining a first distance of the predetermined object to the motor vehicle,

determining that the predetermined object has been detected a plurality of times in succession in the surroundings of the motor vehicle by way of the sensor,

determining a second distance which the motor vehicle has traveled since a point in time at which the predetermined object was detected a first time of the plurality of times by way of the sensor,

determining the detection range based on a difference between the first distance of the predetermined object, which was determined at the point in time at which the predetermined object was detected the first time of the plurality of times by way of the sensor, and the second distance, and

controlling an operation of the motor vehicle based on the detection range.

2 . The method according to claim 1 , further comprising:

assigning the predetermined object to one of a plurality of predetermined object classes,

wherein the detection range is determined based on the first distance of the predetermined object for the object class to which the predetermined object was assigned.

3 . The method according to claim 1 , further comprising:

assigning the predetermined object to one of a plurality of predetermined object classes,

wherein the detection range is determined based on the first distance of the predetermined object and a respective conversion value for an object class to which the predetermined object was not assigned.

4 . The method according to claim 1 , further comprising:

determining a current detection range based on a previously determined detection range which was determined prior to the detection range.

5 . The method according to claim 4 , wherein:

the current detection range is determined based on a combination of the detection range with the previously determined detection range using a weighted filter which gives a higher weight to the detection range and a lower weight to the previously determined detection range.

6 . The method according to claim 1 , wherein:

the detection range of the sensor is divided into a plurality of zones, wherein a detection range for each zone is determined based on the predetermined object that is detected within the respective zone.

7 . The method according to claim 1 , wherein:

the detection range of the sensor is divided into a plurality of horizontal zones, wherein a detection range for each zone is determined based on the predetermined object that is detected within the respective zone.