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:
Jan. 28, 2020
Filed:
Aug. 29, 2014
Applicants:
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Wisconsin Alumni Research Foundation, Madison, WI (US);
Inventors:
Takashi Fukushige, Kanagawa, JP;
Brent S. Gagas, Madison, WI (US);
Chen-Yen Yu, Cupertino, CA (US);
Robert D. Lorenz, Madison, WI (US);
Assignees:
Nissan Motor Co., Ltd., Yokohama, JP;
Wisconsin Alumni Research Foundation, Madison, WI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 21/06 (2016.01); B60L 15/02 (2006.01); H02P 21/22 (2016.01); H02P 101/45 (2016.01);
U.S. Cl.
CPC ...
H02P 21/06 (2013.01); B60L 15/025 (2013.01); H02P 21/22 (2016.02); H02P 2101/45 (2015.01); Y02T 10/643 (2013.01);
Abstract
A variable magnetization machine control system comprising a controller configured to generate a reversely rotating d-axis/q-axis current vector trajectory during a change in a magnetization state of a variable magnetization machine to drive the variable magnetization machine at a predetermined speed while maintaining the driving voltage below a predetermined maximum magnitude.