Patent ID: 11879403
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 18:
19. The system of claim 18, further comprising:
wherein the processor is further configured to:
control the EGR valve by performing a set of actions to:
calculate a percentage value of the EGR reference that is used as the basis for a target setpoint;
determine based on values contained in the set of calibration tables, the percentage value of the EGR reference at low barometric pressure, and at high barometric pressure;
apply the set of values associated with barometric pressure that is measured and use an interpolate function to determine the set of values from the set of calibration tables on which an initial percentage value of the EGR reference is determined; and
adjust the percentage value of the EGR reference in accordance with a current humidity by using a linear relationship function between the values of the current humidity and the percentage value associated with an EGR reduction.