基于PCA-NARX的锂离子电池剩余使用寿命预测

被引:51
作者
庞晓琼 [1 ]
王竹晴 [1 ]
曾建潮 [1 ]
贾建芳 [2 ]
史元浩 [2 ]
温杰 [2 ]
机构
[1] 中北大学大数据学院
[2] 中北大学电气与控制工程学院
关键词
锂离子电池; 剩余使用寿命; 相关性分析; PCA算法; NARX神经网络;
D O I
10.15918/j.tbit1001-0645.2019.04.012
中图分类号
TM912 [蓄电池];
学科分类号
080802 [电力系统及其自动化];
摘要
目前基于数据驱动的锂离子电池RUL预测方法不能较好地适应于同类型不同电池的RUL预测,且预测精度易受健康因子冗余或不足的影响.针对以上问题,提出一种结合主成分分析(PCA)特征融合与非线性自回归(NARX)神经网络的锂离子电池RUL间接预测框架.首先提取多个能反映电池性能退化的可测参数,并将PCA去除冗余后的结果作为预测健康因子;然后利用一组电池的全寿命数据构建基于NARX神经网络的健康因子和容量预测模型,对同类型不同电池预测时将该电池寿命前期健康因子作为输入,即可间接预测出其RUL.最后实验结果表明所提框架在同类型不同电池RUL的预测中精度较高且适应性较强.
引用
收藏
页码:406 / 412
页数:7
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