Navigation map for an at least partially automated mobile platform

1 . A method for determining an emergency trajectory for a mobile platform, comprising:

determining a location of the mobile platform;

determining an associated lane segment of a navigation map with respect to the location of the mobile platform;

identifying adjacent off-road environments associated with adjacent lane segments of the determined associated lane segment;

determining emergency drivability ratings, and assigning the emergency drivability ratings to the adjacent off-road environments of the lane segments, wherein each of the emergency drivability ratings is determined as a composite rating based on a plurality of parameters of the respective one of the off-road environments, the plurality of parameters comprising at least surface condition, hazard potential, and probability of vulnerable road users; and

determining the emergency trajectory that comprises at least one of the adjacent off-road environments of the lane segments from the determined location of the mobile platform to a stopping position, by taking into account an aggregate value of the accumulated emergency drivability ratings of the adjacent off-road environments, wherein the emergency trajectory is selected by optimizing the aggregate emergency drivability ratings along the emergency trajectory.

2 . The method according to claim 1 , wherein the stop position of the emergency trajectory is determined in an adjacent first environment of the off-road environments, and wherein the emergency trajectory comprises an adjacent first environment of the off-road environments that is different adjacent first environment.

3 . The method according to claim 1 , wherein a representation of the environment of the environment perception of the mobile platform is additionally taken into account for determining the emergency trajectory.

4 . A method for selecting a route for at least partially automated platform, using a navigation map, wherein the navigation map comprises:

first data for descriptions of courses of a plurality of lanes, wherein each of the plurality of lanes has a plurality of lane segments; and

second data for an off-road environment of the plurality of lanes, wherein the second data (i) is associated with the respective lane segments of respective lanes of the plurality of lanes, and (ii) includes at least one emergency drivability rating for the off-road environment of the respective one of the plurality of lane segments, wherein the route comprises the plurality of lane segments, and wherein the method comprises:

selecting the route such that an emergency drivability rating of the off-road environment of the plurality of lane segments along possible routes is determined and accumulated, wherein the emergency drivability rating is determined as a composite rating based on a plurality of parameters of the respective one of the off-road environment, the plurality of parameters comprising at least surface condition, hazard potential, and probability of vulnerable road users; and

optimizing the route by taking into account an aggregate value of the accumulated emergency drivability ratings of the plurality of lane segments along the route, wherein an emergency trajectory is selected by optimizing the aggregate emergency drivability ratings along the emergency trajectory.

5 . The method according to claim 1 , further comprising providing at least one of:

a control signal for controlling an at least partially automated vehicle; or

based on the determined emergency trajectory, a warning signal for warning a vehicle occupant.

6 . An apparatus configured to determine an emergency trajectory for a mobile platform, comprising:

a computer hardware arrangement which is programmed to:

a) determine a location of the mobile platform,

b) determine an associated lane segment of a navigation map with respect to the location of the mobile platform,

c) identify adjacent off-road environments associated with adjacent lane segments of the determined associated lane segment,

d) determine emergency drivability ratings, and assign the emergency drivability ratings to the adjacent off-road environments of the lane segments, wherein each of the emergency drivability ratings is determined as a composite rating based on a plurality of parameters of the respective one of the off-road environments, the plurality of parameters comprising at least surface condition, hazard potential, and probability of vulnerable road users; and

e) determine the emergency trajectory that comprises at least one of the adjacent off-road environments of the lane segments from the determined location of the mobile platform to a stopping position, by taking into account an aggregate value of the accumulated emergency drivability ratings of the adjacent off-road environments, wherein the emergency trajectory is determined by optimizing the aggregate emergency drivability ratings along the emergency trajectory.

7 . A computer program for determining an emergency trajectory for a mobile platform, the computer program comprising instructions, which, when the computer program is executed by a computer, configures the computer program to perform procedures comprising:

a) determining a location of the mobile platform;

b) determining an associated lane segment of a navigation map with respect to the location of the mobile platform;

c) identifying adjacent off-road environments associated with adjacent lane segments of the determined associated lane segment;

d) determining emergency drivability ratings, and assigning the emergency drivability ratings to the adjacent off-road environments of the lane segments, wherein each of the emergency drivability ratings is determined as a composite rating based on a plurality of parameters of the respective one of the off-road environments, the plurality of parameters comprising at least surface condition, hazard potential, and probability of vulnerable road users; and

e) determining the emergency trajectory that comprises at least one of the adjacent off-road environments of the lane segments from the determined location of the mobile platform to a stopping position, by taking into account an aggregate value of the accumulated emergency drivability ratings of the adjacent off-road environments, wherein the emergency trajectory is determined by optimizing the aggregate emergency drivability ratings along the emergency trajectory.

8 . A machine-readable storage medium which includes a computer program thereon for a mobile platform, wherein, when the computer program is executed by a computer, configures the computer program to perform procedures comprising:

a) determining a location of the mobile platform;

b) determining an associated lane segment of a navigation map with respect to the location of the mobile platform;

c) identifying adjacent off-road environments associated with adjacent lane segments of the determined associated lane segment;

d) determining emergency drivability ratings, and assigning the emergency drivability ratings to the adjacent off-road environments of the lane segments, wherein each of the emergency drivability ratings is determined as a composite rating based on a plurality of parameters of the respective one of the off-road environments, the plurality of parameters comprising at least surface condition, hazard potential, and probability of vulnerable road users; and

e) determining an emergency trajectory that comprises at least one of the adjacent off-road environments of the lane segments from the determined location of the mobile platform to a stopping position, by taking into account an aggregate value of the accumulated emergency drivability ratings of the adjacent off-road environments, wherein the emergency trajectory is determined by optimizing the aggregate emergency drivability ratings along the emergency trajectory.

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

selecting a route for an at least partially automated platform, using a navigation map, such that an emergency drivability rating of the off-road environment of the associated lane segments along possible routes is determined; and

optimizing the route by taking into account accumulated emergency drivability ratings of the associated lane segments along the route.

10 . The method according to claim 1 , wherein the emergency drivability ratings are determined and stored for all of the off-road environments along an entirety of the emergency trajectory, and wherein an aggregate value of the accumulated emergency drivability ratings of all of the lane segments along the emergency trajectory is taken into account when selecting the emergency trajectory.

11 . The method according to claim 4 , wherein the emergency drivability ratings are determined and stored for all of the off-road environments along an entirety of the route, and wherein an aggregate value of the accumulated emergency drivability ratings of all of the lane segments along the route is taken into account when selecting the route.

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

selecting a route such that the emergency drivability ratings of the off-road environment of the plurality of lane segments along possible routes are determined and accumulated; and

optimizing the route by taking into account the accumulated emergency drivability ratings of the plurality of lane segments along the route.