The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 19, 2019
Filed:
Jul. 24, 2018
Applicant:
Fuji Electric Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Inventor:
Hirokazu Tajima, Suzuka, JP;
Assignee:
FUJI ELECTRIC CO., LTD., Kawasaki-Shi, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 50/51 (2019.01); B60W 10/08 (2006.01);
U.S. Cl.
CPC ...
B60L 50/51 (2019.02); B60W 10/08 (2013.01); B60L 2200/26 (2013.01);
Abstract
A controller for an AC electric motor includes an acquirer that acquires at least one of a frequency of an output voltage of a power converter and an estimated value of a rotational speed of the AC electric motor, and a frequency component remover that removes a predetermined frequency component from an acquired value by feedforward control, using the acquired value acquired by the acquirer as an input value.