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:
Jul. 11, 2017
Filed:
Jan. 14, 2015
Applicant:
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Inventor:
Gi Young Choi, Seongnam-si, KR;
Assignee:
LSIS CO., LTD., Anyang-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 6/14 (2016.01); H02P 27/06 (2006.01); H02P 6/10 (2006.01); H02P 21/22 (2016.01); H02P 6/08 (2016.01); H02P 31/00 (2006.01);
U.S. Cl.
CPC ...
H02P 27/06 (2013.01); H02P 6/10 (2013.01); H02P 21/22 (2016.02); H02P 6/08 (2013.01); H02P 6/14 (2013.01); H02P 31/00 (2013.01); H02P 2205/01 (2013.01);
Abstract
A device for controlling an electric motor is provided. The device includes: an inverter supplying a current to an electric motor; a current sensor sensing a current supplied from the inverter to the electric motor; and a control unit enabling the current to be supplied from the inverter to the electric motor, obtaining first and second offset values sensed from the current sensor at a plurality of times, comparing the plurality of offset values obtained, and updating the first offset value to the second offset value according to a result of comparing the offset values.