Method for determining an air mass flow into cylinders of an int

Details Method for determining an air mass flow into cylinders of an int Method for determining an air mass flow into cylinders of an int

1997-10-10

1999-03-30

Chilcot, Richard

Measuring and testing

Simulating operating condition

Marine

G01M 1500

Patent

active

058892052

ABSTRACT:
A method for determining an air mass flow into cylinders of an internal combustion engine with the aid of a model includes calculating an air mass actually flowing into a cylinder with the aid of an intake tube filling model supplying a load variable on the basis of which an injection time is determined, from input variables relating to throttle opening angle and ambient pressure and from parameters representing valve control. The load variable is used for prediction in order to estimate the load variable at an instant which is at least one sampling step later than a current calculation of the injection time.

REFERENCES:
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patent: 5270935 (1993-12-01), Dudek et al.
patent: 5293553 (1994-03-01), Dudek et al.
patent: 5377112 (1994-12-01), Brown, Jr. et al.
patent: 5497329 (1996-03-01), Tang
patent: 5714683 (1998-02-01), Maloney

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