scholarly journals Evaluation of Lithium-Ion Battery Equivalent Circuit Models for State of Charge Estimation by an Experimental Approach

Energies ◽  
2011 ◽  
Vol 4 (4) ◽  
pp. 582-598 ◽  
Author(s):  
Hongwen He ◽  
Rui Xiong ◽  
Jinxin Fan
Keyword(s):  
Lithium Ion Battery ◽  
Equivalent Circuit ◽  
Experimental Approach ◽  
Lithium Ion ◽  
State Of Charge ◽  
State Of Charge Estimation ◽  
Equivalent Circuit Models

Hoeffding Evolutionary Algorithm and its Application in Building Equivalent Circuit Models for Lithium-Ion Battery

2015 ◽  
Vol 713-715 ◽  
pp. 1099-1102
Author(s):  
Jing Jing Wu ◽  
Jing Huang ◽  
Hai Long Li ◽  
Wan Li Kang
Keyword(s):  
Evolutionary Algorithms ◽  
Evolutionary Algorithm ◽  
State Estimation ◽  
Lithium Ion Battery ◽  
Equivalent Circuit ◽  
Equivalent Circuit Model ◽  
Lithium Ion ◽  
The State ◽  
State Of Charge ◽  
Equivalent Circuit Models

There has been a growing interest in building equivalent circuit models for lithium-ion battery with evolutionary algorithms. One of the well-known algorithm is the Hoeffding bound based evolutionary algorithm (HEA). In this paper, we first introduce the definitions of the Hoeffding bound, selection operations and Hoeffding evolutionary algorithm. And then, we introduced the method for building equivalent circuit models, which composed of four fundamental functions, connection-modifying function, component-creating function, arithmetic-performing functions and automatically defined function. In this way, a Hoeffding-evolutionary-algorithm based equivalent-circuit-model for lithium-ion battery is modeled. With the model-based state estimation approaches, the obtained model can assess the state-of-charge (SOC) of cells precisely.

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