Method of controlling supercharging pressure in internal...

Details Method of controlling supercharging pressure in internal... Method of controlling supercharging pressure in internal...

F - Mech Eng,Light,Heat,Weapons

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F02B 37/12 (2006.01) F02B 37/18 (2006.01) F02B 37/24 (2006.01) F02B 39/12 (2006.01) F02D 41/00 (2006.01) F02D 41/24 (2006.01)

Patent

CA 1316779

ABSTRACT OF THE DISCLOSURE A method of controlling supercharging pressure in an internal combustion engine, wherein the supercharging pressure is controlled by controlling a control amount for operating a supercharging pressure control device. The control amount is controlled in feedback control mode responsive to the difference between an actual value of the supercharging pressure and a desired value thereof when the supercharging pressure is in a steady state, and at the same time a learned value of the correction value is obtained by calculating values of same applied during the feedback control. The control amount is controlled in open loop control mode based upon the learned value when the supercharging pressure is in a transient state. The calculation of -the learned value is inhibited when a predetermined condition is satisfied during the steady state. The predetermined condition is satisfied when the desired value of the supercharging pressure is set to a different value than a normal value set during the steady state.

587157

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