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. 12, 2021

Filed:

Dec. 18, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Junta Izumi, Nagoya, JP;

Masahiko Mitsui, Toyota, JP;

Juni Yasoshima, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/367 (2019.01); G01R 31/387 (2019.01); G01R 31/36 (2020.01); G06N 3/04 (2006.01); B60R 16/033 (2006.01); G01R 31/389 (2019.01);
U.S. Cl.
CPC ...
G01R 31/367 (2019.01); G01R 31/387 (2019.01); G06N 3/04 (2013.01); B60R 16/033 (2013.01); G01R 31/389 (2019.01); G06N 3/0454 (2013.01);
Abstract

A battery capacity estimation method includes a first step and a second step. The first step is a step of obtaining image data of a Nyquist diagram drawn by a predetermined method, based on a Nyquist plot obtained by a predetermined AC-IR measurement. The second step is a step of obtaining a battery capacity estimate value of a battery to be measured by inputting the image data of the Nyquist diagram obtained in the first step into an input layer of a pre-trained neural network model.


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