SYSTEM AND METHOD FOR USING HUMAN DRIVING PATTERNS TO DETECT AND CORRECT ABNORMAL DRIVING BEHAVIORS OF AUTONOMOUS VEHICLES
A system and method for using human driving patterns to detect and correct abnormal driving behaviors of autonomous vehicles are disclosed. A particular embodiment includes: generating data corresponding to a normal driving behavior safe zone; receiving a compliant vehicle control command; comparing the compliant vehicle control command with the normal driving behavior safe zone; and issuing a warning alert if the compliant vehicle control command is outside of the normal driving behavior safe zone. Another embodiment includes modifying the compliant vehicle control command to produce a modified and validated vehicle control command if the compliant vehicle control command is outside of the normal driving behavior safe zone.
1 . A system comprising:
a data processor; and
a vehicle control module, executable by the data processor, the vehicle control module being configured to:
determine, by use of the data processor, if a proposed vehicle control command does not comply with data corresponding to a normal driving behavior aggregated across a plurality of driver behaviors;
generate, by use of the data processor, a compliant vehicle control command to comply with the data corresponding to the normal driving behavior; and
pass, by use of the data processor, the compliant vehicle control command to a vehicle subsystem to modify operation of an autonomous vehicle based on the compliant vehicle control command.
2 . The system of claim 1 , wherein the vehicle control module is further configured to capture data through vehicle sensor subsystems and driving simulation data to model typical human driving behaviors.
3 . The system of claim 1 , wherein the vehicle control module is further configured to plot data corresponding to typical human driving behaviors on a graph.
4 . The system of claim 1 , wherein the vehicle control module is further configured to determine a distance from a point on a graph corresponding to the compliant vehicle control command to a nearest point on or within a normal driving behavior safe zone.
5 . The system of claim 1 , wherein the vehicle control module is further configured to replace the compliant vehicle control command with a modified vehicle control command corresponding to a point, which is the closest point of a normal driving behavior safe zone to the compliant vehicle control command.
6 . The system of claim 1 wherein a normal driving behavior safe zone is configured to retain information corresponding to human driving behaviors as mathematical or data representations.
7 . The system of claim 1 wherein the vehicle control module is further configured to modify the compliant vehicle control command to produce a modified and validated vehicle control command.
8 . The system of claim 7 wherein the modified and validated vehicle control command is output to a vehicle control subsystem causing the autonomous vehicle to follow a trajectory corresponding to the modified and validated vehicle control command.
9 . A method comprising:
determining, by use of the data processor, if a proposed vehicle control command does not comply with data corresponding to a normal driving behavior aggregated across a plurality of driver behaviors;
generating, by use of the data processor, a compliant vehicle control command to comply with the data corresponding to the normal driving behavior; and
passing, by use of the data processor, the compliant vehicle control command to a vehicle subsystem to modify operation of an autonomous vehicle based on the compliant vehicle control command.
10 . The method of claim 9 comprising capturing the data through vehicle sensor subsystems and driving simulation data to model typical human driving behaviors.
11 . The method of claim 10 comprising plotting the data corresponding to typical human driving behaviors on a graph.
12 . The method of claim 9 comprising determining a distance from a point on a graph corresponding to the compliant vehicle control command to a nearest point on or within a normal driving behavior safe zone.
13 . The method of claim 9 comprising replacing the compliant vehicle control command with a modified vehicle control command corresponding to a point, which is the closest point of a normal driving behavior safe zone to the compliant vehicle control command.
14 . The method of claim 9 wherein a normal driving behavior safe zone is configured to retain information corresponding to human driving behaviors as mathematical or data representations.
15 . The method of claim 9 comprising generating a model corresponding to typical human driving behaviors.
16 . A non-transitory machine-useable storage medium embodying instructions which, when executed by a machine, cause the machine to:
determine, by use of the data processor, if a proposed vehicle control command does not comply with data corresponding to a normal driving behavior aggregated across a plurality of driver behaviors;
generate, by use of the data processor, a compliant vehicle control command to comply with the data corresponding to the normal driving behavior; and
pass, by use of the data processor, the compliant vehicle control command to a vehicle subsystem to modify operation of an autonomous vehicle based on the compliant vehicle control command.
17 . The non-transitory machine-useable storage medium of claim 16 wherein the instructions are further configured to capture data through vehicle sensor subsystems and driving simulation data to model typical human driving behaviors.
18 . The non-transitory machine-useable storage medium of claim 16 wherein the instructions are further configured to determine a distance from a point on a graph corresponding to the compliant vehicle control command to a nearest point on or within a normal driving behavior safe zone.
19 . The non-transitory machine-useable storage medium of claim 16 wherein the instructions are further configured to use data mining techniques to project aggregated human driver behavior sensor data from a high dimensional space to a low dimensional space.
20 . The non-transitory machine-useable storage medium of claim 16 wherein the instructions are further configured to modify the compliant vehicle control command to produce a modified and validated vehicle control command for controlling an autonomous vehicle.