SECONDARY BATTERY PARAMETER ESTIMATION DEVICE, SECONDARY BATTERY PARAMETER ESTIMATION METHOD, AND PROGRAM

SECONDARY BATTERY PARAMETER ESTIMATION DEVICE, SECONDARY BATTERY PARAMETER ESTIMATION METHOD, AND PROGRAM

A parameter estimation device includes: a voltage acquisition unit; a current acquisition unit; a parameter estimation unit; an internal resistance deriving unit; and a determination unit configured to determine, on the basis of a result of comparison between the internal resistance estimated by the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKECHI, Hiroaki, KATAOKA, Tomomi
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TESTING
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Beschreibung
Zusammenfassung:A parameter estimation device includes: a voltage acquisition unit; a current acquisition unit; a parameter estimation unit; an internal resistance deriving unit; and a determination unit configured to determine, on the basis of a result of comparison between the internal resistance estimated by the parameter estimation unit and the internal resistance derived by the internal resistance deriving unit, whether or not to replace parameters of the secondary battery with the plurality of parameters estimated by the parameter estimation unit.