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. 28, 2022
Filed:
Dec. 29, 2020
Applicant:
Industrial Technology Research Institute, Hsinchu, TW;
Inventors:
Chih-Chiang Wu, Zhudong Township, TW;
Yun-Huan Li, Hsinchu, TW;
Hsin-Ping Chou, Hsinchu, TW;
Shih-Hsiang Wu, Yuanlin, TW;
Assignee:
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 29/60 (2016.01); H02P 6/28 (2016.01); H02K 19/10 (2006.01); H02K 19/08 (2006.01);
U.S. Cl.
CPC ...
H02P 6/28 (2016.02); H02K 19/08 (2013.01); H02K 19/106 (2013.01); H02P 29/60 (2016.02);
Abstract
An operation method and an operation device of a motor driver for driving a motor are provided. The operation method includes: establishing a hysteresis control method; and adjusting a switch frequency of a power module for operating the motor by using the hysteresis control method according to a change of rotation speed of the motor and a current switch frequency.