首页>
外国专利>
METHOD FOR ESTIMATING A MASS OF FRESH AIR DRAWN INSIDE A COMBUSTION CHAMBER OF A VARIABLE VALVE LIFT INTERNAL COMBUSTION ENGINE
METHOD FOR ESTIMATING A MASS OF FRESH AIR DRAWN INSIDE A COMBUSTION CHAMBER OF A VARIABLE VALVE LIFT INTERNAL COMBUSTION ENGINE
展开▼
机译:可变气门升程内燃机的燃烧室中新鲜空气吸入量的估算方法
展开▼
页面导航
摘要
著录项
相似文献
摘要
The invention primarily relates to a method for estimating the mass of fresh air drawn inside a combustion chamber (5) of a cylinder (2) of an internal combustion engine (1) having at least one variable-lift valve during an engine cycle. The method is characterized in that it comprises: - a step of estimating an intake pressure in an intake air distributor, - a step of estimating a filling gradient, - a step of estimating said mass of fresh air drawn inside said combustion chamber (5) on the basis of a product between said intake pressure and said filling gradient, said filling gradient being corrected by a weighting factor dependent on a valve lift amplitude, and - a step of controlling said internal combustion engine (1) on the basis of said previously determined mass of air.
展开▼