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:
Jun. 16, 2020
Filed:
Sep. 25, 2018
Zhongshan Broad-ocean Motor Co., Ltd., Zhongshan, CN;
Jizhong Wang, Zhongshan, CN;
Justin W. Kaput, Zhongshan, CN;
ZHONGSHAN BROAD-OCEAN MOTOR CO., LTD., Zhongshan, CN;
Abstract
A method for correcting a compensation item of a PMSM motor, the method including: offline measuring an error data of a parameter of a PMSM motor in a control process; providing a series of current commands and calculating compensation values of the parameter corresponding to the series of current commands; establishing a lookup table with regard to the series of current commands and the compensation values of the parameter corresponding to the series of current commands; storing the lookup table in a memory of a motor controller; starting and allowing the motor to work at a normal state; and online correcting the error data of the parameter by using the lookup table.