| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a control device and control method of an electric supercharger maintaining acceleration responsiveness irrespective of secular change or short-term temperature rise of the electric supercharger.SOLUTION: A control device of an electric supercharger performing supercharging of an internal combustion engine by driving a compressor with an electric motor includes: an electric motor rating rotational speed derivation units 61, 62 defining the rating rotational speed of the electric motor with respect to power or current supplied from a direct power source to the electric motor; a deterioration amount calculation unit 64 calculating a deterioration amount of the electric supercharger according to the difference between the rating rotational speed and an actual rotational speed; and a control correction calculation unit 65 calculating a control correction amount of the electric motor according to the deterioration amount.</p> |
