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首页> 外文期刊>Power Electronics, IET >Simply designed and universal sliding mode observer for the SOC estimation of lithium-ion batteries
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Simply designed and universal sliding mode observer for the SOC estimation of lithium-ion batteries

机译：设计简单且通用的滑模观察器，用于锂离子电池的SOC估算

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摘要

A new sliding mode observer to estimate the state of charge (SOC) of lithium-ion batteries is presented. The proposed observer has been developed from a previous observer. The observer is applicable to the common battery circuit models and the design of the algorithm is simple. The observer can also be used for state estimations of both time-varying and time-invariant systems. The robustness of the observer is proved by Lyapunov stability theory. In this study, two typical circuit models are used as examples to design the observer and this study shows that the design of the observer is simple and the observer exhibits good performance. The observer is used to estimate the battery SOC under two conditions. The estimation results show that the observer is robust and the adaptive method can improve the estimation accuracy.
机译：提出了一种估计锂离子电池充电状态（SOC）的新型滑模观察器。拟议的观察员是根据先前的观察员开发的。该观测器适用于常见的电池电路模型，算法设计简单。观察者还可以用于时变和时不变系统的状态估计。李雅普诺夫稳定性理论证明了观测器的鲁棒性。在本研究中，以两个典型的电路模型为例来设计观察器，并且该研究表明观察器的设计简单并且观察器表现出良好的性能。观察者用于估计两种情况下的电池SOC。估计结果表明，观测器鲁棒，自适应方法可以提高估计精度。

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