| 摘要 |
PROBLEM TO BE SOLVED: To provide a control device of an internal combustion engine with a supercharger system capable of quickly detecting abnormality when any abnormality occurs in the supercharger system and specifying a portion which causes the abnormality, in the internal combustion engine with the supercharger system.SOLUTION: First, it is determined whether a supercharger system is abnormal or not based on a deviation between a target supercharging pressure and a measured supercharging pressure. The target supercharging pressure is decided by using a measured atmospheric pressure obtained with an atmospheric pressure sensor and the measured supercharging pressure is obtained by a supercharging pressure sensor. When the supercharger system is determined as abnormality, the presence or absence of such possibility that any one of a plurality of actuators which actuate the supercharging pressure fails is determined based on the deviation between a measured intake pressure obtained by an intake pressure sensor and an estimated intake pressure. In the plurality of actuators which actuate the supercharging pressure, at least a supercharging characteristic changing actuator which changes a supercharging characteristic of a supercharger and a throttle are included. An estimated supercharging pressure is calculated from the measured supercharging pressure and operation amounts of the plurality of actuators. |
