METHOD FOR FEED-FORWARD CONTROLLING FUEL INJECTION INTO A CYLINDER OF AN INTERNAL COMBUSTION ENGINE

1 . A method for feed-forward controlling fuel injection into a cylinder of an internal combustion engine, comprising:

setting a desired value of a combustion parameter indicative of a fuel combustion within the cylinder;

determining a value of one or more engine operating parameters,

using the desired value of the combustion parameter and the value of the one or more engine operating parameters to determine a value of a parameter of a fuel injection into the cylinder; and

commanding a fuel injector associated to the cylinder to perform the fuel injection having the value of the parameter of the fuel injection into the cylinder.

2 . The method according to claim 1 , wherein the combustion parameter is indicated mean effective pressure

3 . The method according to claim 1 , wherein the combustion parameter is a parameter describing combustion phasing.

4 . The method according to claim 3 , wherein the parameter describing combustion phasing is a start of combustion.

5 . The method according to claim 3 , wherein the parameter describing combustion phasing is location of peak pressure.

6 . The method according to claim 1 , wherein the value of the parameter of the fuel injection into the cylinder is start of injection.

7 . The method according to claim 1 , wherein the value of the parameter of the fuel injection into the cylinder is electric and hydraulic dwell time.

8 . The method according to claim 1 , wherein the one or more engine operating parameters are engine speed.

9 . The method according to claim 1 , wherein the one or more engine operating parameters are fuel injection parameters.

10 . The method according to claim 1 , further comprising:

receiving by a combustion model the desired value of the combustion parameter and the value of the one or more engine operating parameters, which produces the value of the parameter of the fuel injection as an output; and

determining the value of the parameter of the fuel injection with the combustion model.

11 . The method according to claim 10 , comprising:

estimating a value of the combustion parameter with the value of the parameter of the fuel injection and the value of the one or more engine operating parameters;

measuring a measured value of the combustion parameter;

calculating a difference between the measured value and the value of the combustion parameter; and

using the difference for correcting the combustion model.

12 . The method according to claim 1 , comprising:

estimating a value of the combustion parameter with the value of the parameter of the fuel injection and the value of the one or more engine operating parameters;

predicting an undesired combustion mode with the value of the combustion parameter for; and

performing a preventing procedure if predicting the undesired combustion mode.

13 . The method according to claim 12 , wherein the value of the combustion parameter is determined with an additional combustion model that receives as input the value of the parameter of the fuel injection and the value of the one or more engine operating parameters, and which gives as output the value of the combustion parameter.

14 . The method according to claim 11 , further comprising using the difference between the measured value and the value of the combustion parameter for correcting an additional combustion model.

15 . An internal combustion engine , comprising:

a cylinder;

an engine control unit configured to feed-forward control a fuel injection into the cylinder, the engine control unit configured to:

setting a desired value of a combustion parameter indicative of a fuel combustion within the cylinder;

determining a value of one or more engine operating parameters,

using the desired value of the combustion parameter and the value of the one or more engine operating parameters to determine a value of a parameter of the fuel injection into the cylinder; and

commanding a fuel injector associated to the cylinder to perform the fuel injection having the value of the parameter of the fuel injection into the cylinder.

16 . A computer readable medium embodying a computer program product, said computer program product comprising:

a control program for feed-forward controlling fuel injection into a cylinder of an internal combustion engine, the control program configured to:

setting a desired value of a combustion parameter indicative of a fuel combustion within the cylinder;

determining a value of one or more engine operating parameters,

using the desired value of the combustion parameter and the value of the one or more engine operating parameters to determine a value of a parameter of a fuel injection into the cylinder; and

commanding a fuel injector associated to the cylinder to perform a fuel injection having the value of the parameter of the fuel injection into the cylinder.

17 . The computer readable medium embodying the computer program product according to claim 16 , wherein the combustion parameter is indicated mean effective pressure

18 . The computer readable medium embodying the computer program product according to claim 16 , wherein the combustion parameter is a parameter describing combustion phasing.

19 . The computer readable medium embodying the computer program product according to claim 18 , wherein the parameter describing combustion phasing is a start of combustion.

20 . The computer readable medium embodying the computer program product according to claim 18 , wherein the parameter describing combustion phasing is location of peak pressure.