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:
Nov. 20, 2018
Filed:
Dec. 29, 2014
Korea Institute of Industrial Technology, Chungcheongnam-do, KR;
Korea Institute of Industrial Technology, Chungcheongnam-do, KR;
Abstract
An apparatus and a method for controlling a permanent magnet motor are provided. An apparatus for controlling a permanent magnet motor, according to an embodiment of the present invention, comprises: a current control unit for generating a control current so as to drive a motor according to an initial set current or a current corresponding to an estimated magnetic flux; a motor driving unit for driving the motor according to the control current of the current control unit; a measurement unit for measuring a driving voltage and current of the motor; and a magnetic flux estimation unit preliminarily driving the motor with the initial set current or the current corresponding to the estimated magnetic flux, so as to estimate the magnetic flux of the motor on the basis of the current measured when the motor is preliminarily driven and a voltage model of the motor according to the measured voltage, and adaptively controlling the magnetization current or demagnetization current of the motor such that the estimated magnetic flux is within an error range.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile