US 11,724,696 B2
System and method of automatedly changing lanes for a vehicle
Jeffrey Pradeep Dinakar, Novi, MI (US); Alyssa Lauren Scheske, Ann Arbor, MI (US); and Andrew Wassef, Novi, MI (US)
Assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US)
Filed by GM Global Technology Operations LLC, Detroit, MI (US)
Filed on Sep. 8, 2021, as Appl. No. 17/469,442.
Prior Publication US 2023/0070251 A1, Mar. 9, 2023
Int. Cl. B60W 30/18 (2012.01); G05D 1/02 (2020.01); G05D 1/00 (2006.01)
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
OG exemplary drawing
 
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.