US 11,938,944 B2
Method and system for determining and displaying a wading situation
Jesse Sharp, Glenroy (AU)
Assigned to ROBERT BOSCH GMBH, Stuttgart (DE)
Appl. No. 17/049,760
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Jul. 1, 2019, PCT No. PCT/EP2019/067559
§ 371(c)(1), (2) Date Oct. 22, 2020,
PCT Pub. No. WO2020/025232, PCT Pub. Date Feb. 6, 2020.
Claims priority of application No. 102018212783.2 (DE), filed on Jul. 31, 2018.
Prior Publication US 2021/0237741 A1, Aug. 5, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H04N 5/44 (2011.01); B60W 40/02 (2006.01); B60W 50/14 (2020.01)
CPC B60W 40/02 (2013.01) [B60W 50/14 (2013.01); B60W 2420/54 (2013.01); B60W 2520/16 (2013.01); B60W 2555/20 (2020.02)] 15 Claims
OG exemplary drawing
 
1. A driver assistance system configured to determine a wading situation of a vehicle, the driver assistance system comprising:
a first measuring device configured to determine distances to a water surface, the first measuring device including at least two distance sensors, a first distance sensor of the distance sensors being configured to be situated laterally with regard to a first side of the vehicle, and a second distance sensor of the distance sensors being configured to be situated laterally with regard to a second side of the vehicle, the second side being opposite to the first side, the first distance sensor being configured to measure a first distance to a water surface and the second distance sensor being designed to measure a second distance to a water surface;
a second measuring device configured to determine an instantaneous pitch angle of the vehicle;
a processing unit coupled to the first measuring device and the second measuring device, the processing unit configured to determine an instantaneous water surface plane as a function of the first distance, the second distance, and the instantaneous pitch angle of the vehicle; and
a display unit configured to indicate the instantaneous water surface plane in relation to the vehicle,
wherein the driver assistance system further includes a memory unit, particular assigned wading limits being stored in the memory unit for a plurality of specific positions at the vehicle, and wherein the processing unit is configured to determine, for each of the specific positions, whether the assigned wading limit is above or below the instantaneous water surface plane, wherein the specific positions of the vehicle include positions having air inlets.