IEICE Transactions on Communications
Online ISSN : 1745-1345
Print ISSN : 0916-8516
Regular Section
Fuzzy Controlled Individual Cell Equalizers for Lithium-Ion Batteries
Yuang-Shung LEEMing-Wang CHENGShun-Ching YANG
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2008 Volume E91.B Issue 7 Pages 2380-2392

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Abstract

A fuzzy logic control battery equalizing controller (FLCBEC) is adopted to control the cell voltage balancing process for a series connected Li-ion battery string. The proposed individual cell equalizer (ICE) is based on the bidirectional Cûk converter operated in the discontinuous capacitor voltage mode (DCVM) to reduce the switching loss and improve equalization efficiency. The ICE with the proposed FLCBEC can reduce the equalizing time, maintain safe operations during the charge/discharge state and increase the battery string capacity.

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© 2008 The Institute of Electronics, Information and Communication Engineers
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