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. 08, 2017
Filed:
Apr. 20, 2015
Applicant:
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Inventor:
Anno Yoo, Seoul, KR;
Assignee:
LSIS CO., LTD., Anyang-si, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 27/04 (2016.01); H02P 21/00 (2016.01); H02P 21/14 (2016.01); H02P 21/04 (2006.01); H02P 21/22 (2016.01); H02P 21/16 (2016.01); H02P 21/18 (2016.01);
U.S. Cl.
CPC ...
H02P 21/0035 (2013.01); H02P 21/04 (2013.01); H02P 21/14 (2013.01); H02P 21/141 (2013.01); H02P 21/22 (2016.02); H02P 21/16 (2016.02); H02P 21/18 (2016.02);
Abstract
An apparatus for controlling an induction motor is provided, the apparatus generates generating a d-axis current command and a q-axis current command of a torque command, estimating speed of a rotor of the motor, and correcting the d-axis and q-axis current commands by using the estimated speed, to enhances the rotor speed and position estimation performance by increasing the slip frequency.