Method and system for engine control

Details Method and system for engine control Method and system for engine control

1992-03-06

1994-02-01

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

123480, F02D 4114

Patent

active

052824497

ABSTRACT:
To ensure a high-precision simultaneous control of the enginegenerated torque, air fuel ratio of the automobile engine and related factor, the present invention calculates the target air mass flow rate as the air mass flow rate at the inlet port which achieves the target torque, estimates the air flow condition inside the intake manifold, supplies the result to the fuel injection control system and the throttle control system, and determines the fuel injection pulse width which achieves the target air fuel ratio according to the estimated air mass flow rate at the inlet port for the fuel injection control system, while determining the throttle angle which achieves the target torque according to the estimated condition and the target air mass flow rate for the throttle control system.

REFERENCES:
patent: 4811713 (1989-03-01), Shimada et al.
patent: 4953530 (1990-09-01), Manaka et al.
patent: 5078109 (1992-01-01), Yoshida et al.
patent: 5095874 (1992-03-01), Schnaibel et al.

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