Patent ID: 7043916

Claim:
A control method of a control device for a turbocharger with an electric motor including a turbocharger which is provided along with an internal combustion engine and supercharges air taken in the internal combustion engine using a compressor; and an electric motor which increases a supercharging pressure by running the compressor of the turbocharger when electric power is supplied thereto, comprising the steps of: in a normal state, calculating a base amount of electric power to be supplied to the electric motor based on a target supercharging pressure and an actual supercharging pressure; deciding an amount of electric power to be supplied to the electric motor; controlling the electric motor based on the decided amount of electric power to be supplied; and in a beginning state of an electric power supply to the electric motor and in an out of surge state of the compressor, setting the amount of electric power to be supplied to a maximum amount of electric power, regardless of the calculated base amount of electric power.