Apparatus for controlling internal combustion engine

Details Apparatus for controlling internal combustion engine Apparatus for controlling internal combustion engine

1991-12-20

1993-11-30

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including means responsive to instantaneous change in engine...

123571, F02D 4114

Patent

active

052655750

ABSTRACT:
An apparatus for controlling a control parameter of a multicylinder internal combustion engine so that a cycle-by-cycle torque variation is equal to a target torque variation after an inter-cylinder correction for bringing the quantities of torque generated in a plurality of cylinders into agreement is performed. In the engine control apparatus, a modification part modifies a range within which a torque variation correction factor can change into a narrower range, when it is judged that the inter-cylinder correction has not been completed, so that a control part generates an appropriate control parameter based on first correction factors calculated by a first calculation part and the torque variation correction factor calculated by a second calculation part even when the inter-cylinder correction routine has not been completed.

REFERENCES:
patent: 5060618 (1991-10-01), Takaoka et al.
patent: 5156128 (1992-10-01), Nakagawa
patent: 5176118 (1993-01-01), Norota

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