Soot accumulation model for setpoint modification
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United States of America Patent
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Apr 26, 2016
Grant Date -
Aug 1, 2013
app pub date -
Jan 31, 2013
filing date -
Jan 31, 2012
priority date (Note) -
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Abstract
A method controlling operation of an engine utilizing a number of preset operating parameters is provided. An operating mode of the engine is determined. An operating state of the engine is determined. A first plurality of engine parameter settings are retrieved from a memory in response to the determined operating mode and the determined operating state of the engine. The first plurality of engine parameter settings are applied to at least one control algorithm of the engine. A rate of soot accumulation from the engine is monitored. The rate of soot accumulation is compared to a predetermined soot accumulation rate threshold. A second plurality of engine parameter settings are retrieved from a memory in response to the monitored rate of soot accumulation exceeding the predetermined soot accumulation rate threshold.
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