Ce procédé de contrôle du couple d'un moteur à combustion interne de véhicule automobile à cycle asymétrique équipé d'un système de calage variable, comprend les étapes de : a) Détermination d'une valeur de retard de fermeture à l'admission (R...

During start-up of an engine, a reverse rotation start-up operation is performed in which a crankshaft is rotated in a forward direction after being rotated in a reverse direction. An engine unit is controlled such that the reverse rotation start-up operat...

The engine system 1 has an engine ECU 10 including: an equivalent ratio calculation means that calculates an average value of equivalent ratio for one cycle in a combustion chamber of the engine 100, a maximum combustion temperature calculation means that ...

An object of the present invention is to provide a control apparatus for an internal combustion engine that can prevent reliably an external EGR gas amount from being uneven among cylinders during performance of external EGR and prevent deposits from being...

A control apparatus for an internal combustion engine includes: an abnormal combustion detection unit for detecting an abnormal combustion due to self-ignition occurring; a pre-ignition determination unit for detecting abnormal combustion occurrence timing...

In a specified operating area Y including a low engine-speed and low engine-load area, an excess air ratio » is set at a specified ratio which is two or greater and three or smaller and an ignition timing ¸ig of a spark plug 11 is set at a timing of MBT ...

A system and method for controlling an engine 12 is disclosed. The engine 12 includes a number of pressure responsive devices 42, 44, 46, 48 varying compression ratios in corresponding engine cylinders 24, 26, 28, 30. The method includes commanding the dev...

In control apparatus and method for an internal combustion engine having variably operated engine valves, a target vacuum pressure is calculated on the basis of an engine driving condition and an opening angle of an electronically controlled throttle valve...