Adaptation method for optimized combustion of a fuel quantity injected into a cylinder of an internal combustion engine

1. An adaptation method of an internal combustion engine for optimized combustion of a fuel quantity injected into a cylinder, comprising the following steps:

a) Recognizing a thrust phase of the internal combustion engine,

b) Determining a temporal change in speed of the internal combustion engine within the thrust phase and assigning the temporal change in speed to a cylinder-specific compression phase of the internal combustion engine,

c) Determining a cylinder-specific air/gas charge based on the temporal change in speed in the cylinder-specific compression phase and

d) Adjusting a cylinder-specific fuel-air mixture based on the determined cylinder-specific air/gas charge.

2. The adaptation method as claimed in claim 1 , further comprising the following steps of:

Detecting the speed of the internal combustion engine as a function of time and

Detecting the cylinder-specific compression phases of the internal combustion engine as a function of time.

3. The adaptation method as claimed in claim 1 , further comprising the following step of:

Calibrating the compression process of a cylinder as a function of its air/gas charge.

4. The adaptation method as claimed in claim 3 , further comprising the following step of:

Calibrating the change in speed as a function of the compression process.

5. The adaptation method as claimed in claim 1 , further comprising the following step of:

Setting up a functional relationship between the change in speed and the cylinder-specific air/gas charge in the compression phase.

6. The adaptation method as claimed in claim 1 , further comprising the following steps for adjusting the cylinder-specific fuel/air mixture:

Adjusting the fuel injection quantity and/or

Adjusting the valve opening times for the air intake and/or

Adjusting the pressure ratios in the air intake tract and/or

Adjusting the geometry of the air intake tract.

7. An adaptation method of an internal combustion engine for optimized combustion of a fuel quantity injected into a cylinder, comprising the following steps:

a) Determining a thrust phase of the internal combustion engine,

b) Determining a temporal change in revolutions per minute (rpm) of the internal combustion engine within the thrust phase and assigning the temporal rpm change to a cylinder-specific compression phase of the internal combustion engine,

c) Determining a cylinder-specific air/gas charge based on the temporal rpm change in the cylinder-specific compression phase and

d) Adjusting a cylinder-specific fuel-air mixture based on the determined cylinder-specific air/gas charge.

8. The adaptation method as claimed in claim 7 , further comprising the following steps of:

Detecting the rpm of the internal combustion engine as a function of time and

Detecting the cylinder-specific compression phases of the internal combustion engine as a function of time.

9. The adaptation method as claimed in claim 7 , further comprising the following step of:

Calibrating the compression process of a cylinder as a function of its air/gas charge.

10. The adaptation method as claimed in claim 9 , further comprising the following step of:

Calibrating the change in rpm as a function of the compression process.

11. The adaptation method as claimed in claim 7 , further comprising the following step of:

Setting up a functional relationship between the rpm change and the cylinder-specific air/gas charge in the compression phase.

12. The adaptation method as claimed in claim 7 , further comprising the following steps for adjusting the cylinder-specific fuel/air mixture:

Adjusting the fuel injection quantity and/or

Adjusting the valve opening times for the air intake and/or

Adjusting the pressure ratios in the air intake tract and/or

Adjusting the geometry of the air intake tract.

13. A system for adapting of an internal combustion engine for optimized combustion of a fuel quantity injected into a cylinder, comprising:

a) Means for determining a thrust phase of the internal combustion engine,

b) Means for determining a temporal change in revolutions per minute (rpm) of the internal combustion engine within the thrust phase and assigning the temporal rpm change to a cylinder-specific compression phase of the internal combustion engine,

c) Means for determining a cylinder-specific air/gas charge based on the temporal rpm change in the cylinder-specific compression phase and

d) Means for adjusting a cylinder-specific fuel-air mixture based on the determined cylinder-specific air/gas charge.

14. The system as claimed in claim 13 , further comprising:

Means for detecting the rpm of the internal combustion engine as a function of time and

Means for detecting the cylinder-specific compression phases of the internal combustion engine as a function of time.

15. The system as claimed in claim 13 , further comprising:

Means for calibrating the compression process of a cylinder as a function of its air/gas charge.

16. The system as claimed in claim 15 , further comprising:

Means for calibrating the change in rpm as a function of the compression process.

17. The system as claimed in claim 13 , further comprising:

Means for setting up a functional relationship between the rpm change and the cylinder-specific air/gas charge in the compression phase.

18. The system as claimed in claim 13 , further comprising:

Means for adjusting the fuel injection quantity and/or

Means for adjusting the valve opening times for the air intake and/or

Means for adjusting the pressure ratios in the air intake tract and/or

Means for adjusting the geometry of the air intake tract.