| 摘要 |
<P>PROBLEM TO BE SOLVED: To configure a control apparatus which controls an EGR and a supercharger with a variable flow rate mechanism by a 2-input, 2-output integral-type optimal servo system, and to avoid mutual interference between the control of the EGR and the control of the supercharger with the variable flow rate mechanism to efficiently and stably reduce an exhaust amount of NOx and smoke, in an internal combustion engine including the EGR and the supercharger with the variable flow rate mechanism. <P>SOLUTION: A control apparatus 57 is the 2-input, 2-output integral-type optimal servo system in which an intake air amount and intake air oxygen concentration are set as control quantities y1 and y2, and an opening degree of a control valve of the exhaust gas recirculation apparatus and an opening degree of a control valve of the supercharger with the variable flow rate mechanism are set as manipulated quantities u1 and u2, is configured by an output feedback system, and includes an EGR valve opening degree control unit 70 and a supercharger variable flow rate valve opening degree control unit 72. Each of the control units includes a non-interference controller 64 for mutually eliminating interference between the manipulated quantity for the control valve of the exhaust gas recirculation apparatus and the manipulated quantity for the control valve of the supercharger equipped with the variable flow rate mechanism. <P>COPYRIGHT: (C)2013,JPO&INPIT |
