An Equivalent Circuit Model With Variable Effective Capacity for LiFePO4 Batteries

被引：25

作者：

Blanco, Cecilio ^{[1
]}

Sanchez, Luciano ^{[2
]}

Gonzalez, Manuela ^{[1
,4
]}

Anton, Juan C. ^{[1
]}

Garcia, Victor ^{[3
]}

Viera, Juan C. ^{[1
,5
]}

机构：

[1] Univ Oviedo, Dept Elect & Elect Engn, Gijon 33208, Spain

[2] Univ Oviedo, Dept Comp Sci, Gijon 33208, Spain

[3] Univ Oviedo, Dept Phys & Analyt Chem, Gijon 33208, Spain

[4] Univ Oviedo, Dept Elect & Elect Engn, Battery Res Lab, Gijon 33208, Spain

[5] ISPJAE, Dept Elect Engn, Havana, Cuba

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2014年 / 63卷 / 08期

关键词：

Effective capacity; LiFePO4; batteries; modeling; MANAGEMENT-SYSTEMS; STATE; CHARGE; ALGORITHMS; PARAMETERS; BEHAVIOR;

D O I：

10.1109/TVT.2014.2309394

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A new approach to equivalent circuit models for LiFePO4 batteries is presented in this paper. The proposed battery model is a semi-physical nonlinear dynamic model with variable effective capacity. Fuzzy logic has been used to capture the nonlinear behavior of the battery in combination with continuous-time differential equations. Fuzzy logic blocks are embedded in a state-space dynamic model as nonlinear constructive blocks. The proposed model has been validated for three different LiFePO4 batteries. The model provides an intuitive physical analogy between charging LiFePO4 batteries and filling a semi-rigid tank, which is useful for explanatory purposes.

引用

页码：3592 / 3599

页数：8

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