公开(公告)号：US20240176929A1

公开(公告)日：2024-05-30

申请号：US18552813

申请日：2022-03-25

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Motonobu MURAKAMI ,  Shota YAMAUCHI ,  Shigeki YAMATE

IPC: G06F30/20

CPC classification number: G06F30/20

Abstract: Provided are an estimation device, an estimation method, and a computer program.
An estimation device includes: an acquisition unit configured to acquire data relating to a strain generated in an energy storage device; and an estimation unit configured to estimate an internal stress in the energy storage device based on the data acquired by the acquisition unit using a simulation model that expresses a dynamic state inside the energy storage device.

公开(公告)号：US20210293892A1

公开(公告)日：2021-09-23

申请号：US17191162

申请日：2021-03-03

Applicant: GS Yuasa International Ltd.

Inventor： Yosuke OKABE ,  Shota YAMAUCHI ,  Shuji HITOMI ,  Shigeki YAMATE

IPC: G01R31/392 ,  G01R31/389 ,  G01R31/374 ,  G01R31/382

Abstract: Provided is an estimation device including: an acquisition unit that acquires measurement data on an energy storage device; an estimation unit that estimates the amount of deterioration for each deterioration mechanism of the energy storage device based on the acquired measurement data; and an output unit that outputs information based on an estimation result of the estimation unit.