CPC B60W 30/18163 (2013.01) [G05D 1/0088 (2013.01); G05D 1/0274 (2013.01); B60W 2552/10 (2020.02); B60W 2552/53 (2020.02); B60W 2554/20 (2020.02); B60W 2556/60 (2020.02); G05D 2201/0213 (2013.01)] | 20 Claims |
1. A method of automatedly changing a first road lane in which a vehicle occupies to a second road lane based on environmental conditions to maintain engagement of an automated driving system with a global positioning system (GPS) of the vehicle, the method comprising:
providing a road map database;
checking a location of the vehicle based on the GPS of the vehicle and the road map database to define a map segment of the first and second road lanes, the first road lane being designated a host lane in which the vehicle occupies in the map segment, the second road lane being designated as an available lane in the map segment based on environmental conditions;
monitoring availability of the first road lane of map segment;
detecting whether the first road lane of the map segment has poor availability based on environmental conditions;
flagging the first road lane of the map segment, if the first road lane is detected to have poor availability;
logging the first road lane of the map segment in an instance counter calibrated to a predetermined occurrence threshold;
designating the first road lane as non-preferred if the predetermined occurrence threshold is reached;
moving the vehicle to the second road lane with the automated driving system; and
designating the second road lane as the host lane.
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