Method and device for fast automatic adaptation of richness for internal combustion engine
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United States of America Patent
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-
Jul 9, 2002
Grant Date -
N/A
app pub date -
Oct 17, 2000
filing date -
Feb 25, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention concerns a method for automatic adaptation of an injection engine by a computer connected to sensors. The sensors supply an engine filling parameter. An oxygen probe in the exhaust gases, defines, at each adapting cycle, a new line of control magnitude based on the filling parameter and using new coefficients computed from coordinates of two points. Corresponding corrected values of the control magnitude from a working line are filtered and stored during a preceding cycle. One of the two points is acquired previously, and then in adopting a new working line, an intermediate line between the new line and the previous working line is used. The invention is applicable to injection engine control.
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