Calibration of model-based fuel control for engine start and crank to run transition
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United States of America Patent
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Dec 4, 2007
Grant Date -
Nov 2, 2006
app pub date -
Mar 31, 2006
filing date -
Apr 29, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fuel control system for regulating fuel to cylinders of an internal combustion engine during an engine start and crank-to-run transition includes a first module that determines a plurality of step-ahead cylinder air masses (GPOs) for a cylinder based on a plurality of GPO prediction models. A second module regulates fueling to a cylinder of the engine based on the plurality of step-ahead GPOs until a combustion event of the cylinder. Each of the plurality of GPO prediction models is calibrated based on data from a plurality of test starts that are based on a pre-defined test schedule.
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