| 摘要 |
PROBLEM TO BE SOLVED: To improve a control precision of an inhaled air quantity of an engine and estimate an intake pulsation and an inhaled air quantity with a high precision. SOLUTION: An accelerator openingθa and an engine rotational speed Ne are inputted (S1), and a target inhaled air quantity Qa is calculated based on these data (S2), and a basic opening area Ath corresponding to standard control conditions of a variable valve timing means (VTC) or a swirl control valve (SCV) is calculated (S3). Then, a valve overlapped quantity (O/L quantity) by VTC and an SVC opening are read in (S4), and coefficients of correction, KAVTC and KASVC, corresponding to these 0/L quantity and SVC opening are calculated (S5), and the target opening area Ath is calculated by correcting the standard opening area Ath with the coefficients of correction, KAVTC and KASVC, (S6), and the opening of a throttle valve is controlled based on the target opening area Ath (S7), and the opening of the throttle valve TVO is read in (S8), and a variable QH1 indicating an intake pulsation is calculated from TVO (S9), and a variable QH2 indicating the inhaled air quantity is calculated by dividing TVO by the coefficients of correction, KAVTC and KASVC, (S10).
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