Adaptive dilution control system for increasing engine efficienc

Details Adaptive dilution control system for increasing engine efficienc Adaptive dilution control system for increasing engine efficienc

1991-08-28

1994-06-28

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including cylinder pressure or temperature responsive means

123568, F02M 700

Patent

active

053237480

ABSTRACT:
An adaptive dilution mixture control system for internal combustion engines including an apparatus for measuring a combustion force within a combustion chamber communicating with an apparatus for calculating the real-time work output of the engine from the measured combustion force, and an apparatus for controlling the variable dilution of the fuel-air mixture delivered to the combustion chamber to achieve a desired work output, the controlling apparatus responsive to the real-time work output. The apparatus for controlling the variable fuel-air mixture dilution includes a compensator for comparing the real-time work output and other engine parameters to an adaptive optimizing control model, and calculating the desired work output. Also included is a fuel injection system, and an exhaust recirculation valve to vary the dilution of the fuel-air mixture to achieve the desired work output. The adaptive optimizing control model is adapted to change over time based on a change in engine conditions.

REFERENCES:
patent: 4700684 (1987-10-01), Pischinger et al.
patent: 4993338 (1991-02-01), Mitsumoto
patent: 5027773 (1991-07-01), Shimomura et al.
patent: 5080068 (1992-01-01), Sawamoto
patent: 5115790 (1992-05-01), Kawamura

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