| 电动汽车动力电池荷电状态的滑模估计方法 |
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| 引用本文： | 夏晴,刘志远. 电动汽车动力电池荷电状态的滑模估计方法[J]. 东南大学学报(自然科学版), 2011, 41(Z1): 97-101. DOI: 10.3969/j.issn.1001-0505.2011.S1.021 |
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| 作者姓名： | 夏晴 刘志远 |
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| 作者单位： | 哈尔滨工业大学控制科学与工程系,哈尔滨,150080 |
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| 摘 要： | 应用滑模观测器方法进行了荷电状态估计的研究.基于改进的Thevenin等效电路模型建立了电池的状态空间模型,设计了一种能改善抖动问题的滑模状态观测器.为分析观测器的稳定性,对模型中的非线性项进行了分析,根据其导数有界的特性,利用拉格朗日中值定理给出了保证观测器收敛的条件,并由此确定观测器的设计参数.并且在Matlab环...
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| 关 键 词： | 电动汽车 电池荷电状态 滑模观测器 |
State-of-charge estimation method for electric vehicle battery using sliding mode observer |
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| Xia Qing,Liu Zhiyuan. State-of-charge estimation method for electric vehicle battery using sliding mode observer[J]. Journal of Southeast University(Natural Science Edition), 2011, 41(Z1): 97-101. DOI: 10.3969/j.issn.1001-0505.2011.S1.021 |
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| Authors: | Xia Qing Liu Zhiyuan |
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| Affiliation: | Xia Qing Liu Zhiyuan (Department of Control Science and Engineering,Harbin Institute of Technology,Harbin 150080,China) |
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| Abstract: | A method to estimate SOC(state of charge) using sliding mode observer is studied.First,a modified Thevenin model was used to establish the state space model of a battery.Then a sliding mode observer was designed.In order to analyze the stability of the observer,the nonlinear feature of the battery model was analyzed,which is used along with the theorem of Lagrange's mean to design a stable observer.Finally,a simulation experiment was carried out using Matlab.The result shows that this method has better pred... |
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| Keywords: | electric vehicle state of charge sliding mode observer |
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