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Fuzzy Controlled Individual Cell Equalizers for Lithium-Ion Batteries

Yuang-Shung LEE, Ming-Wang CHENG, Shun-Ching YANG

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Summary :

A fuzzy logic control battery equalizing controller (FLC-BEC) 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 Cuk converter operated in the discontinuous capacitor voltage mode (DCVM) to reduce the switching loss and improve equalization efficiency. The ICE with the proposed FLC-BEC can reduce the equalizing time, maintain safe operations during the charge/discharge state and increase the battery string capacity.

Publication
IEICE TRANSACTIONS on Communications Vol.E91-B No.7 pp.2380-2392
Publication Date
2008/07/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e91-b.7.2380
Type of Manuscript
PAPER
Category
Energy in Electronics Communications

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