Engine controller with adaptive transient air/fuel control using

Details Engine controller with adaptive transient air/fuel control using Engine controller with adaptive transient air/fuel control using

1995-09-05

1997-11-04

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02D 4114, F02D 4110, F02D 4112

Patent

active

056828683

ABSTRACT:
An Electronic Engine Controller (EEC) which controls operation of an engine employs a switching type oxygen sensor to determine the composition of exhaust gas produced by the engine. The EEC enhances the signal received from the oxygen sensor to generate quantitative information from the qualitative information received from the oxygen sensor. The EEC utilizes the enhanced information from the oxygen sensor to adapt Transient Fuel Control (TFC) parameters. The EEC detects a transient, quantifies the transient in terms of two TFC parameters and adapts the TFC parameter employing fuzzy-logic controls.

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patent: 5524599 (1996-06-01), Kong et al.
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