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.

Date of Patent:
Oct. 01, 2024

Filed:

Jun. 14, 2022
Applicant:

Zhejiang University City College, Zhejiang, CN;

Inventors:

Jing Li, Hangzhou, CN;

Feifan Ji, Hangzhou, CN;

Yuwei Chen, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 21/22 (2016.01); H02P 21/20 (2016.01); H02P 25/022 (2016.01);
U.S. Cl.
CPC ...
H02P 21/22 (2016.02); H02P 21/20 (2016.02); H02P 25/022 (2013.01); H02P 2207/05 (2013.01);
Abstract

Disclosed is a method for searching a MTPA curve of a vehicle permanent magnet synchronous motor based on a DC power, which includes a current closed-loop adjuster, a current command generator, a current command angle generator, an active power calculator, an active power storage and comparison processor and a current given vector corrector. According to the present disclosure, the tedious manual calibration is relieved, the optimal angle is automatically searched, and the production efficiency is improved; according to the present disclosure, the step size can be arbitrarily set according to the calibration requirements, so as to achieve a higher calibration accuracy.


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