镍氢动力电池SOC的改进卡尔曼滤波法估算
首发时间:2010-04-19
摘要:本文在分析其他镍氢电池模型的基础上,建立了二阶RC模型,不仅能很好的描述镍氢电池的动态特征而且易于工程实现。Kalman滤波算法要求噪声Q、R统计特性精确了解,因此利用电流积分法计算出Q、R噪声值,然后结合Kalman滤波算法以及SOC-OCV关系曲线对镍氢电池的SOC做出预测。
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SOC Estimation of Ni-MH Battery Based on Improved Kalman Filter
Abstract:This paper created a RC model, based on the analysis of recent Ni-MH battery models, which was not only a good description of the dynamic characteristics of Ni-MH batteries but also easy for project application. Kalman filter method essentially requires that the system noise matrixes Q and R are known. Therefore, Q, R noise values were obtained using the current integration method and then SOC estimation was predicted combined with Kalman filter and SOC-OCV curve.
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No.4208752657412716****
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