Intake air amount control system for internal combustion...

Details Intake air amount control system for internal combustion... Intake air amount control system for internal combustion...

2004-05-28

2008-12-23

Wolfe, Jr., Willis R. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C701S103000

Reexamination Certificate

active

07469180

ABSTRACT:
An intake air amount control system for an internal combustion engine, which is capable of ensuring high robustness and improving controllability in intake air amount control, to thereby improve drivability and reduce exhaust emissions. A control system of an internal combustion engine, which variably controls the amount of intake air drawn into cylinders as desired via a variable intake valve actuation assembly includes an ECU2. The ECU2calculates a cylinder intake air amount Gcyl and a target intake air amount Gcyl_cmd based on a controlled object model, a vector θs of all model parameters of the controlled object model with an identification algorithm, calculates a target auxiliary intake cam phase θmsi_cmd based on the vector θs with a sliding mode control algorithm, and controls the variable intake valve actuation assembly according to the target auxiliary intake cam phase θmsi_cmd.

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