Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant
Reexamination Certificate
2010-10-15
2011-11-08
Kwon, John (Department: 3747)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
With indicator or control of power plant
C123S568110, C060S602000
Reexamination Certificate
active
08055436
ABSTRACT:
A method for controlling the wastegate in a turbocharged internal combustion engine including the steps of: determining, during a design phase, a control law which provides an objective opening of a controlling actuator of the wastegate according to the supercharging pressure; determining an objective supercharging pressure; measuring an actual supercharging pressure; determining a first open loop contribution of an objective position of a controlling actuator of the wastegate by means of the control law and according to the objective supercharging pressure; determining a second closed loop contribution of the objective position of the controlling actuator of the wastegate; and calculating the objective position of the controlling actuator of the wastegate by adding the two contributions.
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MTZ Motortechnische Zeitschrift 61 (2003) 3, “Modellgestützte Reglerentwicklung für einen Abgasturbolader mit variabler Turbinengeometrie an einem DI-Dieselmotor.” XP-000928799.
Apr. 7, 2010 Search Report for Italian Patent App. No. B02009A 000670.
Alunni Francesco
Panciroli Marco
Sgatti Stefano
Bliss McGlynn P.C.
Kwon John
Magneti Marelli S.p.A.
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