US 12,448,931 B2
Torque compensation for air/fuel switching
Garrett Parker Munson, Milford, MI (US); and Adam C. McJunkin, Ann Arbor, MI (US)
Assigned to TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., Plano, TX (US); and TOYOTA JIDOSHA KABUSHIKI KAISHA, Aichi-Ken (JP)
Filed by TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., Plano, TX (US)
Filed on Feb. 20, 2023, as Appl. No. 18/171,417.
Prior Publication US 2024/0280063 A1, Aug. 22, 2024
Int. Cl. F02D 41/08 (2006.01); F02D 41/02 (2006.01); F02D 41/14 (2006.01)
CPC F02D 41/1454 (2013.01) [F02D 41/0235 (2013.01); F02D 41/08 (2013.01); F02D 41/1439 (2013.01); F02D 2200/04 (2013.01); F02D 2200/1002 (2013.01); F02D 2200/501 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A vehicle comprising:
one or more processors disposed within the vehicle and configured to:
select an air/fuel ratio for an engine of the vehicle, wherein the selected air/fuel ratio is different from a stoichiometric air/fuel ratio;
select a torque request for the engine;
determine a load request for the engine based on at least the torque request and the selected air/fuel ratio; and
determine a first output to a throttle actuator based on the load request for the engine,
wherein the one or more processors are further configured to:
if the selected air/fuel ratio exceeds a threshold maximum, determine the load request for the engine based on at least the torque request and the threshold maximum; and
if the selected air/fuel ratio is less than a threshold minimum, determine the load request for the engine based on at least the torque request and the threshold minimum.