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:
Aug. 15, 2017
Filed:
Nov. 12, 2015
Applicant:
Toshiba Kikai Kabushiki Kaisha, Chiyoda-ku, Tokyo-to, JP;
Inventor:
Takamichi Ito, Numazu, JP;
Assignee:
TOSHIBA KIKAI KABUSHIKI KAISHA, Tokyo-To, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 15/02 (2006.01); H02K 11/00 (2016.01); H02P 6/08 (2016.01); H02P 21/18 (2016.01); H02P 21/20 (2016.01);
U.S. Cl.
CPC ...
G05B 15/02 (2013.01); H02K 11/0015 (2013.01); H02P 6/08 (2013.01); H02P 21/18 (2016.02); H02P 21/20 (2016.02);
Abstract
An electric machine according to the embodiment includes: a motor; a current controller supplying a current to the motor; a detector detecting a position, a speed, or an acceleration of a shaft of the motor; a controller calculating a torque parameter indicating a torque of the motor based on a current instruction that specifies a supply current to the motor and calculating a speed parameter indicating a rotational speed of the shaft of the motor based on a detection result from the detector; and a display part displaying a graph showing a relation between the torque parameter and the speed parameter.