| 摘要 |
A fuel transportation lag model has a fuel transportation lag element A (FTLEA) due to adhesion of an injected fuel onto wall faces and a first-order lag element B (FOLEB) for compensating a model error of the (FTLEA). A fuel correction amount has a (FTLEA) compensation term and a (FOLEB) compensation term. By a compensation term for the (FTLEA), a first wall adhesion correction amount is obtained by multiplying a deviation between the wall face adhesion fuel amount (WFAFA) in a steady driving mode and a (WFAFA) at a present time with a first reference adaptation parameter and a first correction factor. By a compensation term for the (FOLEB), a second wall adhesion correction amount is obtained by multiplying a deviation between a required fuel amount of a present time and a required fuel amount of last time with a second reference adaptation parameter and a second correction factor.
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