Presentation 2012-09-18
An Implementation and Evaluation of SOC Estimation System for Lithium-ion Battery by PSoC
Masashi FUJIMOTO, Tatsuya INOUE, Lei LIN, Masahiro FUKUI,
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Abstract(in English) Aiming at exact residual quantity (SOC, state of charge) estimation of a lithium-ion storage battery, we have analyzed the voltage response to calculate the internal resistance value, and the dependency of the intenal resistance and SOC. Then, we have built a system that measures the residual quantity by using the dependency of the internal resistance and SOC. The system was developed with the PSoC microcomputer, which is a microcomputer equipped with the interface of the digital analog filter etc. which can be reconstructed. This paper describes the theory, and implementation technique of the system. We also discuss the experimental results and evaluation.
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Keyword(in English) PSoC / Li-ion battery / State of charge / Internal resistance
Paper # RECONF2012-28
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Committee RECONF
Conference Date 2012/9/11(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Implementation and Evaluation of SOC Estimation System for Lithium-ion Battery by PSoC
Sub Title (in English)
Keyword(1) PSoC
Keyword(2) Li-ion battery
Keyword(3) State of charge
Keyword(4) Internal resistance
1st Author's Name Masashi FUJIMOTO
1st Author's Affiliation Department ofElectronic and Computer Engineering Ritsumeikan University()
2nd Author's Name Tatsuya INOUE
2nd Author's Affiliation Department ofElectronic and Computer Engineering Ritsumeikan University
3rd Author's Name Lei LIN
3rd Author's Affiliation Department ofElectronic and Computer Engineering Ritsumeikan University
4th Author's Name Masahiro FUKUI
4th Author's Affiliation Graduate School of Science and Engineering Ritsumeikan University
Date 2012-09-18
Paper # RECONF2012-28
Volume (vol) vol.112
Number (no) 203
Page pp.pp.-
#Pages 6
Date of Issue