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An approach for SOC estimation based on sliding mode observer and fractional order equivalent circuit model of lithium-ion batteries

机译：基于滑模观测器和分数阶等效电路模型的锂离子电池SOC估计方法

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摘要

A state of charge (SOC) estimation method based on sliding mode observer (SMO) and fractional order equivalent circuit model (FOECM) of lithium-ion batteries is presented. A fractional order equivalent circuit model was applied to model the lithium-ion battery and the sliding mode observers were designed to compensate the errors and uncertainties which are caused by the model in modeling. The convergence of the sliding mode observer is guaranteed by the Lyapunov inequality equation. The results of simulation experiment for the presented approach show the proposed method can estimate the SOC efficiently and accurately with good performance.
机译：提出了一种基于滑模观测器（SMO）和分数阶等效电路模型（FOECM）的锂离子电池充电状态（SOC）估计方法。应用分数阶等效电路模型对锂离子电池进行建模，并设计了滑模观测器以补偿建模过程中由于模型引起的误差和不确定性。 Lyapunov不等式保证了滑模观测器的收敛性。仿真实验结果表明，该方法可以有效，准确地估计SOC，并且具有良好的性能。

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