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首页> 外文会议>IEEE Annual Conference on Decision and Control >Estimation of state of charge of Li-ion battery in EVs using relay feedback approach and super twisting sliding mode observer
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Estimation of state of charge of Li-ion battery in EVs using relay feedback approach and super twisting sliding mode observer

机译：使用继电器反馈方法估计EVS中锂离子电池的能力和超级扭​​转滑动模式观察

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摘要

With increasing innovation and environmental awareness, electric vehicles (EVs) are getting more popular over conventional fuel based vehicles. Precise state of charge (SoC) estimation is one of the most crucial and challenging problems to boost the large-scale implementation of EVs. In this paper, RC equivalent circuit is chosen for modeling of the Li-ion battery. A novel approach for parameter identification of type 1, second order, and minimum phase system using the state-space based relay feedback approach is proposed. This method is then utilized for the identification of the battery model parameters. Second order super twisting sliding mode observer is designed and the simulation results for validation of the proposed method is shown.
机译：随着创新和环境意识的增加，电动汽车（EVS）在传统的燃料车辆上越来越受欢迎。精确的费用（SoC）估计是提高EVS大规模实施的最重要和最具挑战性的问题之一。本文选择了RC等效电路，用于锂离子电池的建模。提出了一种新的参数识别方法，使用基于状态空间的中继反馈方法的1型，二阶和最小相位系统的参数识别。然后利用该方法来识别电池模型参数。设计了二阶超扭转滑动模式观察者，并显示了验证所提出的方法的仿真结果。

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