A METHOD OF AND A CONTROL SYSTEM FOR DETERMINING AN OFFSET RELATING TO CRANK ANGLE MEASUREMENT

A METHOD OF AND A CONTROL SYSTEM FOR DETERMINING AN OFFSET RELATING TO CRANK ANGLE MEASUREMENT

Invention relates to method of determining an offset (38) relating to crank angle measurement in connection with a cylinder (12) of an internal combustion pis- ton engine (10), in which method the engine (10) is rotated and it is refrained from fuel combustion in the cylinder, a reference value for...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: KAAS, Tom
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:Invention relates to method of determining an offset (38) relating to crank angle measurement in connection with a cylinder (12) of an internal combustion pis- ton engine (10), in which method the engine (10) is rotated and it is refrained from fuel combustion in the cylinder, a reference value for the indicated mean effective pressure is determined, an integral value of indicated mean effective pressure in the cylinder is determined over a range of crank angle during all of the gas exchange valves of the cylinder are maintained closed, and wherein a dead center position of the piston is located with the range, a crank angle position offset value is determined based on the determined integral value of indicated mean effective pressure and the reference value for the indicated mean effective pressure.