Exhaust Gas Recirculation Control Systems and Methods
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United States of America
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May 20, 2021
app pub date -
Nov 14, 2019
filing date -
Nov 14, 2019
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Abstract
An engine control system includes: a target air mass module configured to determine a target mass of air within a cylinder of an engine based on a torque request; a boost control module configured to control boost provided by a turbocharger based on the torque request; an exhaust gas recirculation (EGR) control module configured to selectively: set a target opening of an EGR valve based on the target mass of air; set the target opening of the EGR valve to a predetermined minimum opening, where the predetermined minimum opening is greater than zero percent open; and control opening of the EGR valve based on the target opening of the EGR valve.
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