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http://dx.doi.org/10.5391/JKIIS.2010.20.2.214

A Fuzzy H∞ Filter Design for State of Charge Estimation  

Yoo, Seog-Hwan (대구대학교 전자공학부)
Wu, Xuedong (대구대학교 전자공학부)
Publication Information
Journal of the Korean Institute of Intelligent Systems / v.20, no.2, 2010 , pp. 214-219 More about this Journal
Abstract
This paper deals with a nonlinear fuzzy $H_{\infty}$ filter design for SOC(state of charge) estimation in Lithium polymer battery. The dynamic equation of the battery cell is modeled as a T-S fuzzy system and the filter is designed via solutions of linear matrix inequalities. In order to illustrate the performance of the designed filter, a computer simulation is performed using the experimental data with the UDDS(urban dynamometer driving schedule) current profile.
Keywords
State of charge; Lithium polymer battery; T-S fuzzy system; Fuzzy $H_{\infty}$ filter; Linear matrix inequality;
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