Controlling an Exhaust Gas Recirculation (EGR) Valve
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United States of America Patent
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Aug 14, 2014
app pub date -
Feb 13, 2013
filing date -
Feb 13, 2013
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Abstract
Some aspects of what is described here relate to controlling an exhaust gas recirculation (EGR) valve in an engine system. An EGR valve control signal is generated based on an engine operating condition detected in the engine system. The EGR valve control signal is calibrated to counteract a predicted force on the EGR valve resulting from exhaust gas pressure associated with the engine operating condition. The EGR valve is operated based on the EGR valve control signal.
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