Engine torque control with desired state estimation

Details Engine torque control with desired state estimation Engine torque control with desired state estimation

2005-01-11

2005-01-11

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

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

C123S361000

Reexamination Certificate

active

06840215

ABSTRACT:
An engine control system and method according to the invention controls torque in an internal combustion engine. Engine parameters are measured and an engine torque is estimated. A desired air per cylinder of the engine is calculated. A desired manifold absolute pressure of a manifold of the engine is calculated based on a function of engine torque. A desired RPM of the engine is calculated based on a measured engine RPM and a reference torque of the engine. A desired area is calculated based on the desired manifold absolute pressure. The desired area is implemented into the controller to control torque output of the engine.

REFERENCES:
patent: 6250292 (2001-06-01), Suhre
patent: 6363316 (2002-03-01), Soliman et al.
patent: 6701246 (2004-03-01), Riedle et al.
patent: 6701890 (2004-03-01), Suhre et al.
patent: 6718255 (2004-04-01), Okubo

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