Learning-correcting method and apparatus and self-diagnosis meth

Details Learning-correcting method and apparatus and self-diagnosis meth Learning-correcting method and apparatus and self-diagnosis meth

1990-06-19

1992-06-30

Lall, Parshotam S.

Boots, shoes, and leggings

123673, 123690, F02M 5100

Patent

active

051269430

ABSTRACT:
In a fuel supply control system of an internal combustion engine having a function of feedback-controlling the air-fuel ratio, dispersions of the fuel supply characteristics in respective cylinders are corrected by changes of the air-fuel ratio by the correction of the fuel supply quantity. Factors causing the deviations of the air-fuel ratio are independently compensated by learning the correction value for correcting the fuel supply quantity only at a certain ratio and the correction value for correcting the fuel supply quantity only by a certain quantity so that these correction values are commonly fit for at least two different driving conditions.

REFERENCES:
patent: 4483300 (1984-11-01), Hosaka et al.
patent: 4627402 (1986-12-01), Saito et al.
patent: 4922429 (1990-05-01), Nakajima et al.
patent: 4962741 (1990-10-01), Cook et al.
patent: 4991102 (1991-02-01), Sakamoto et al.

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