Systems and methods for determining crankshaft position based indicated mean effective pressure

A system for a vehicle includes a filtering module and an indicated work module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The cranksh...

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Bibliographische Detailangaben
Hauptverfasser:	VERDEJO JULIAN R, BOWMAN JOHN V, KALWEIT NICHOLAS JOHN, ASSAF TAMEEM K, MATHEWS DAVID S, MORGAN JEFFREY A, REEDER JR JAMES R
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A system for a vehicle includes a filtering module and an indicated work module. The filtering module generates engine speeds based on positions of teeth of a toothed wheel that rotates with a crankshaft and based on a crankshaft position signal generated by a crankshaft position sensor. The crankshaft position sensor generates the crankshaft position signal based on rotation of the toothed wheel. The indicated work module generates an indicated work for a combustion cycle of a cylinder of an engine based on squares of first and second ones of the engine speeds and outputs the indicated work.