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

Claim 9:
10. The method of claim 9, further comprising:
controlling by the processor, operating of the EGR valve by:
calculating, by the processor, a percentage value of the EGR reference that is used as the basis for a target setpoint;
determining, by the processor, based on the values contained in the set of calibration tables, the percentage value of the EGR reference at low barometric pressure, and at high barometric pressure;
applying, by the processor, the set of values associated with barometric pressure that is measured and using 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
adjusting, by the processor, 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.