| 摘要 |
PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine capable of executing CPS combustion F/B control in a proper load range by separating influence by electric noise and feature influence of combustion.SOLUTION: A control device of an internal combustion engine is disposed to control a combustion state on the basis of an output value of a cylinder internal pressure sensor within a predetermined load range. In a case when σ of Qmax is calculated on the basis of cylinder internal pressure data, and σ of Qmax is a threshold value or more, σ of a crank angle (CAα) as a prescribed combustion mass ratio is calculated on the basis of the cylinder internal pressure data obtained by excluding an output value of the cylinder internal pressure sensor of an accidental fire cycle, so that a present load region is included in the load range when σ of CAα is smaller than the threshold value, and the present load region is excluded from the load range when it is a threshold value or more.SELECTED DRAWING: Figure 16 |
