CONTROL SYSTEM FOR A DEDICATED EXHAUST GAS RECIRCULATION ENGINE
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United States of America Patent
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Issued Date -
May 20, 2021
app pub date -
Nov 12, 2020
filing date -
Nov 19, 2019
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Abstract
A controller for a dedicated exhaust gas recirculation (D-EGR) engine is disclosed. The controller may receive a plurality of cylinder pressure signals, each of which is associated with a respective cylinder in a plurality of cylinders of the D-EGR engine. The plurality of cylinders includes at least one donor cylinder and a set of non-donor cylinders. The controller may receive a crankshaft angle signal associated with a crankshaft of the D-EGR engine. The controller may selectively adjust ignition timing of a cylinder, of the plurality of cylinders, based on the crankshaft angle signal and a cylinder pressure signal, of the plurality of cylinder pressure signals, associated with the cylinder; or a fuel rate of the at least one donor cylinder based on the crankshaft angle signal and a set of cylinder pressure signals, of the plurality of cylinder pressure signals, associated with the set of non-donor cylinders.
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