SYSTEM, APPARATUS, AND METHOD FOR CONTROLLING AN ENGINE SYSTEM TO ACCOUNT FOR VARYING FUEL QUALITY
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United States of America Patent
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Issued Date -
Jun 16, 2022
app pub date -
Dec 15, 2020
filing date -
Dec 15, 2020
priority date (Note) -
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Abstract
A system, apparatus, and method for controlling an engine system can provide fuel reactivity compensation control for an engine of the engine system. Pilot fuel quantity supplied to the engine can be controlled using a nitrous oxide (NOx) error. Likewise, air-to-fuel ratio (AFR) for the engine can be controlled using the NOx error. Each of a pilot fuel offset and an AFR control trim can be generated using the NOx error. The pilot fuel offset and the AFR control trim can be used to control the pilot fuel quantity and the AFR, respectively.
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