METHOD FOR CONTROLLING AN INTERNAL COMBUSTION ENGINE ACCORDING TO AN EXHAUST GAS PRESSURE

An internal combustion engine has an intake tract, at least one cylinder, an exhaust gas tract and inlet and outlet valves, which are assigned to the cylinder. An exhaust gas pressure in the cylinder is determined during the valve overlap of the inlet and outlet valves as a function of an estimated...

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Bibliographische Detailangaben
Hauptverfasser:	KOCH, ACHIM, HARTKE, ANDREAS
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An internal combustion engine has an intake tract, at least one cylinder, an exhaust gas tract and inlet and outlet valves, which are assigned to the cylinder. An exhaust gas pressure in the cylinder is determined during the valve overlap of the inlet and outlet valves as a function of an estimated value of an exhaust gas pressure, which is effected by the combustion of an air/fuel mixture in the cylinder, and a variable which characterizes the centroid of the valve overlap of the inlet and outlet valves. At least one actuating signal for controlling an actuator of the internal combustion engine is derived from the exhaust gas pressure, or the internal combustion engine is monitored as a function of the exhaust gas pressure.