DocumentCode
784077
Title
Estimating the state of charge of a battery
Author
Chiasson, John ; Vairamohan, Baskar
Author_Institution
Electr. & Comput. Eng. Dept., Univ. of Tennessee, Knoxville, TN, USA
Volume
13
Issue
3
fYear
2005
fDate
5/1/2005 12:00:00 AM
Firstpage
465
Lastpage
470
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.
Keywords
battery management systems; electric charge; observability; secondary cells; state estimation; time-varying systems; battery state of charge; electrochemical batteries; linear time-varying system; observability; state estimation; Battery charge measurement; Capacitance; Circuits; Current measurement; Electric resistance; Filters; Observability; State estimation; Time varying systems; Voltage; Battery; linear time-varying systems; observability Gramian; state of charge (SOC);
fLanguage
English
Journal_Title
Control Systems Technology, IEEE Transactions on
Publisher
ieee
ISSN
1063-6536
Type
jour
DOI
10.1109/TCST.2004.839571
Filename
1424024
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