Engine control system using combination of forward model and inv

Details Engine control system using combination of forward model and inv Engine control system using combination of forward model and inv

1997-10-14

1999-09-21

Argenbright, Tony M.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

701104, 701109, 123480, 123675, F02D 4104

Patent

active

059547839

ABSTRACT:
An engine control system includes an inverse model which includes a forward model and a feedback loop, wherein an actuating parameter, such as the quantity of fuel injected from a fuel injector, outputted from the forward model is used as a controlled variable, such as the air-fuel ratio in an exhaust system, inputted into the inverse model through the feedback loop. The forward model has preferably a learning function using condition-indicating factors such as engine speed and throttle angle. Accuracy of the inverse model is improved and appropriate engine control can be realized even during a transient state of the engine.

REFERENCES:
patent: 4535736 (1985-08-01), Taura et al.
patent: 5200898 (1993-04-01), Yuhara et al.
patent: 5247445 (1993-09-01), Miyano et al.
patent: 5524599 (1996-06-01), Kong et al.
patent: 5568799 (1996-10-01), Akazaki et al.
patent: 5642722 (1997-07-01), Schumacher et al.

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