| 摘要 |
PROBLEM TO BE SOLVED: To provide an internal combustion engine control device capable of improving the combustion properties of an internal combustion engine by estimating a cetane number at low cost with high accuracy.SOLUTION: The present application concerns a control device of an internal combustion engine burning a fuel by compressive ignition, stores a cetane number map (120) regulating the relation between an exhaust temperature and a fuel cetane number in a storage unit (108) in advance, estimates a cetane number corresponding to a detected exhaust temperature on the basis of the cetane number map (120), and corrects a control parameter of the internal combustion engine on the basis of the estimated cetane number. |
