US 11,807,240 B2
Methods and systems for evaluating vehicle behavior
Sachit P. Vithaldas, Mountain View, CA (US)
Assigned to Toyota Research Institute, Inc., Los Altos, CA (US)
Filed by Toyota Research Institute, Inc., Los Altos, CA (US)
Filed on Jun. 26, 2020, as Appl. No. 16/913,241.
Prior Publication US 2021/0402997 A1, Dec. 30, 2021
Int. Cl. B60W 30/18 (2012.01); G06F 8/34 (2018.01); G01C 21/36 (2006.01)
CPC B60W 30/18163 (2013.01) [G01C 21/3614 (2013.01); G06F 8/34 (2013.01); B60W 2554/4045 (2020.02); B60W 2554/4046 (2020.02)] 19 Claims
OG exemplary drawing
 
1. A system for evaluating behavior of vehicles, the system comprising:
an input device configured to receive a request for evaluation of behavior of vehicles;
a first memory space storing a first set of log files related to a first set of vehicles collected by a first server, the first set of log files formatted in a first format;
a second memory space storing a second set of log files related to a second set of vehicles collected by a second server, the second memory space being separate from the first memory space, and the second set of log files formatted in a second format;
a controller programmed to:
collect the first set of log files related to the first set of vehicles and collect the second set of log files related to the second set of vehicles, the first format of the first set of log files stored in the first memory space being different from the second format of the second set of log files stored in the second memory space;
extract one or more parameters for the first set of vehicles from the collected first set of log files using a first information extractor adopted to extract parameters from the first format of log files and extract the one or more parameters for the second set of vehicles from the collected second set of log files using a second information extractor adopted to extract parameters from the second format of log files;
interpolate the extracted one or more parameters based on the extracted parameters for different times; and
evaluate behavior of the vehicles based on the extracted one or more parameters, wherein the extracted one or more parameters include time series and time intervals.