Burned gas recycling system with powertrain optimization

Details Burned gas recycling system with powertrain optimization Burned gas recycling system with powertrain optimization

1994-12-09

1996-05-28

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2507

Patent

active

055201598

ABSTRACT:
A powertrain controller controls the burned gas recycling rate of an engine as a function of a desired burned gas recycling rate and an actual burned gas recycling rate. The powertrain controller generates a tractive effort request value which is indicative of a force desired by the driver at the wheels of the vehicle. An engine load request value is generated as a function of the tractive effort request value and vehicle speed and is used, along with an actual load value, which is indicative of actual engine load, to generate the desired burned gas recycling rate. The tractive effort request value and other vehicle powertrain control variables are generated according to an optimization process. The burned gas recycling system of the engine may take the form of a Delta Pressure Feedback (DPFE) Exhaust Gas Recirculation (EGR) system or a variable position camshaft system.

REFERENCES:
patent: 4454854 (1984-06-01), Gotoh et al.
patent: 4467673 (1984-08-01), Hamada et al.
patent: 4736728 (1988-04-01), Takahashi et al.
patent: 5117784 (1992-06-01), Schechter et al.
patent: 5172674 (1992-12-01), Horie et al.
patent: 5245968 (1993-09-01), Kolias et al.

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