US 12,454,274 B2
Methods and apparatuses for transient fault detection
Daniel Yen, Pittsburgh, PA (US)
Assigned to Motional AD LLC, Boston, MA (US)
Filed by Motional AD LLC, Boston, MA (US)
Filed on Apr. 25, 2023, as Appl. No. 18/306,941.
Claims priority of provisional application 63/334,769, filed on Apr. 26, 2022.
Prior Publication US 2023/0339480 A1, Oct. 26, 2023
Int. Cl. B60W 50/02 (2012.01); B60W 60/00 (2020.01)
CPC B60W 50/0205 (2013.01) [B60W 50/0225 (2013.01); B60W 2050/021 (2013.01); B60W 60/0011 (2020.02)] 19 Claims
OG exemplary drawing
 
1. A method comprising:
obtaining frame data corresponding to a frame of sensor data associated with an environment within which an autonomous vehicle is operating;
processing, using a processor, the frame data to determine an output corresponding to a first trajectory value of a trajectory parameter, the first trajectory value associated with a first trajectory of the autonomous vehicle;
determining at a first time whether a fault parameter indicates a presence of a fault, wherein the determining at the first time is associated with the processing of the frame data; and
in response to determining that the fault parameter is indicative of the fault being present:
applying an initial fault scheme;
reprocessing, using the processor, the frame data to determine an output corresponding to a secondary trajectory value of the trajectory parameter, the secondary trajectory value associated with a second trajectory of the autonomous vehicle;
determining at a second time whether the fault parameter indicates a presence of the fault, wherein the determination at the second time is based on the reprocessing of the frame data; and
responsive to the determination of the fault parameter at the second time, providing operating data to a control system configured to control the autonomous vehicle based at least in part on the operating data.