ESTIMATING ENGINE SYSTEM PARAMETERS BASED ON ENGINE CYLINDER PRESSURE
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United States of America Patent
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Issued Date -
Dec 27, 2012
app pub date -
Oct 5, 2007
filing date -
Oct 13, 2006
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Abandoned
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Abstract
A method includes sensing pressure within an engine cylinder, and estimating at least one other engine system parameter based on the sensed pressure. Another method includes designing an engine system, which includes one or more engine cylinder pressure sensors and one or more other engine system sensors. According to this method, the engine system is operated, and engine cylinder pressure is sensed using the engine cylinder pressure sensors, which are in communication with an engine cylinder of an engine of the engine system. Also, other engine system parameters are sensed to obtain at least one other engine system parameter using the other engine system sensors. The engine cylinder pressure is correlated to the at least one other engine system parameter, and engine cylinder pressure is used to replace or augment the at least one other engine system parameter that correlates to the engine cylinder pressure.
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