Honda Motor Co., Ltd.

Kenichiro Asai

Masaki Ueno

Tomohiro Miyauchi

Akihiro Katsuura

Kentaro Miki

Katsuya Shinjo

An injection controller includes processor that determines a fuel injection quantity in each of cylinders of a multi-cylinder engine, and a memory. The processor acquires an intake air pressure of each of the cylinders, determines, for each of the cylinders, on the basis of the intake air pressure in one intake stroke, a fuel injection quantity for a next intake stroke in the cylinder, determines whether an instruction operation for making an instruction to increase or reduce a rotation speed of the engine has been performed on the basis of the intake air pressure in one of the cylinders, and performs transient response control to apply the fuel injection quantity for the next intake stroke in the one cylinder also to the fuel injection quantity in the next intake stroke in the cylinders other than the one cylinder when it is determined that the instruction operation has been performed.

Injection controller and injection control method

A supercharging pressure setting apparatus, includes: an engine mounted on a vehicle; a supercharger compressing an intake air introduced to the engine; a supercharger actuator adjusting a supercharging pressure to a target supercharging pressure; and a processor. The processor acquires an intake air amount to the engine; acquires a target intake air amount to the engine; sets the target supercharging pressure based on an operation state of the vehicle; determines whether the operation state of the vehicle is one of an accelerating state and a transition state to the accelerating state; and calculates a difference between the intake air amount and the target intake air amount. The processor sets the target supercharging pressure based on the difference when it is determined that the operation state of the vehicle is one of the accelerating state and the transition state.

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Wako, Japan

Kenichiro Asai