CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE

摘要

PROBLEM TO BE SOLVED: To provide a control device for an internal combustion engine capable of improving responsiveness in supercharging pressure control and securing safety in supercharging pressure control and EGR control in the case that the internal combustion engine is in transient operation range when controlling both EGR volume and supercharging pressure and thereby to improve exhaust gas characteristics and operativity. SOLUTION: This control device 1 for EGR feedback control and supercharging pressure open control in the internal combustion engaging 3 having a supercharger 5a with an adjustable vane 5f sets a duty ratio (duty) of a vane opening control valve 5c from a transient operation range map (Step 2) according to an engine speed Ne and an intake air volume Q when the internal combustion engine 3 is in transient operation range (Step 1 is YES).