Estimating the State of Charge of a Battery

John Chiasson; Baskar Vairamohan

doi:10.1109/TCST.2004.839571

Estimating the State of Charge of a Battery

John Chiasson, Baskar Vairamohan

Electrical Engineering Department

Epri Solutions Inc.

Research output: Contribution to journal › Article › peer-review

231 Scopus citations

Abstract

This brief considers the state of charge (SOC) estimation problem for electrochemical batteries. Using an electric circuit model of the battery given in the literature, it is shown how the open-circuit voltage (which is directly related to the SOC) can be estimated based on the terminal voltage and current measurements provided there is sufficient variation in the battery current.

Original language	English
Pages (from-to)	465-470
Number of pages	6
Journal	IEEE Transactions on Control Systems Technology
Volume	13
Issue number	3
DOIs	https://doi.org/10.1109/TCST.2004.839571
State	Published - 5 May 2005

Keywords

Battery
linear time-varying systems
observability Gramian
state of charge (SOC)

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10.1109/TCST.2004.839571

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abstract = "This brief considers the state of charge (SOC) estimation problem for electrochemical batteries. Using an electric circuit model of the battery given in the literature, it is shown how the open-circuit voltage (which is directly related to the SOC) can be estimated based on the terminal voltage and current measurements provided there is sufficient variation in the battery current.",

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AB - This brief considers the state of charge (SOC) estimation problem for electrochemical batteries. Using an electric circuit model of the battery given in the literature, it is shown how the open-circuit voltage (which is directly related to the SOC) can be estimated based on the terminal voltage and current measurements provided there is sufficient variation in the battery current.

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KW - linear time-varying systems

KW - observability Gramian

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Estimating the State of Charge of a Battery

Abstract

Keywords

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