Engine control program, method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 23, 2013
Grant Date -
Oct 18, 2012
app pub date -
Jun 20, 2012
filing date -
Dec 21, 2009
priority date (Note) -
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Abstract
Setting values of a fuel injection quantity for an engine having an exhaust gas recirculator (EGR) and variable nozzle turbo (VNT), and an engine speed, and measurement values of a manifold air pressure (MAP) and a mass air flow (MAF) are obtained. According to a combination of the reference values of an EGR valve opening degree and a VNT nozzle opening degree, which correspond to the setting values, or a combination of a control value of the EGR valve opening degree by a MAF controller and a control value of the VNT nozzle opening degree by a MAP controller, which correspond to the measurement values, a mode that the MAF and MAP controllers, a first interference compensator from the MAF controller to the MAP controller and a second interference compensator for the reverse direction are enabled and a mode that the MAF or MAP controller is enable are dynamically switched.
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