Recursive-Least-Squares-Based Real-Time Estimation of Supercapacitor Parameters

被引:74
|
作者
Reichbach, Noam [1 ]
Kuperman, Alon [1 ]
机构
[1] Ariel Univ, Dept Elect Engn & Elect, IL-40700000 Ariel, Israel
关键词
Supercapacitor; state of energy; recursive-least squares (RLS); DOUBLE-LAYER CAPACITORS; OF-CHARGE TRACKING; PERFORMANCE; POWER;
D O I
10.1109/TEC.2016.2521324
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The letter suggests utilizing a recursive-least-squares identification algorithm for real-time estimation of supercapacitor equivalent capacitance and resistance. Estimation is required since both parameters are subject to age, temperature, and terminal-voltage-based variations in addition to typical 20% tolerance of manufacturer provided values. The proposed approach allows calculating the device instantaneous state of energy used as a fuel gauge instead of the commonly adopted state of charge. Experimental results are given to verify the feasibility of the proposed method.
引用
收藏
页码:810 / 812
页数:3
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