Method of adjusting the composition of the operating mixture for

Details Method of adjusting the composition of the operating mixture for Method of adjusting the composition of the operating mixture for

1995-06-07

1996-08-20

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02D 4114

Patent

active

055469183

ABSTRACT:
The invention relates to a learning control method for adjusting the composition of an operating mixture for an internal combustion engine. The method includes the steps of: detecting the actual value of the composition; forming a control variable as a function of the instantaneous deviation of the actual value from the desired value; logically coupling the control variable to a base value of an adjusting parameter of the composition and driving an actuator on the basis of the logically coupled value; and, learning of an additional intervention in the control loop from the performance of the control loop wherein the learning takes place at a speed which is at least dependent upon temperature.

REFERENCES:
patent: 4545355 (1985-10-01), Takao et al.
patent: 4584982 (1986-04-01), Clement et al.
patent: 4827937 (1989-05-01), Kohler et al.
patent: 4844041 (1989-07-01), Ave et al.
patent: 5158062 (1992-10-01), Chen
patent: 5251437 (1993-10-01), Furuya
patent: 5406927 (1995-04-01), Kato et al.

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