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Title:
BATTERY DETERIORATION STATE ESTIMATION METHOD AND BATTERY DETERIORATION STATE ESTIMATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/115934
Kind Code:
A1
Abstract:
A controller (23) constructs a model with measurement information including AC resistance values measured for training and usage history information acquired for training as explanatory variables, and a deterioration state measured for training as an objective variable. A controller (43) uses the constructed model to perform estimation with measurement information including AC resistance values measured for estimation and usage history information acquired for estimation as explanatory variables, and the deterioration state of a battery (42) as an objective variable.

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Inventors:
KUMADA MITSUNORI (JP)
MASHIO TETSUYA (JP)
Application Number:
PCT/IB2022/000686
Publication Date:
June 06, 2024
Filing Date:
November 29, 2022
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
RENAULT SAS (FR)
International Classes:
G01R31/392; G01R31/367; G01R31/389
Domestic Patent References:
WO2020044713A12020-03-05
WO2020121495A12020-06-18
WO2020255557A12020-12-24
Foreign References:
JP2022064054A2022-04-25
JP2016090346A2016-05-23
JP2020024153A2020-02-13
JP2022007946A2022-01-13
JP2023018289A2023-02-08
JP2023017480A2023-02-07
JP2023006529A2023-01-18
Attorney, Agent or Firm:
TANAKA Hidetetsu et al. (JP)
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