基于TWP-SVR的锂离子电池健康状态估计

韦荣阳, 毛阗, 高晗, 彭建仁, 杨健

Health state estimation of lithium ion battery based on TWP-SVR

Rongyang WEI, Tian MAO, Han GAO, Jianren PENG, Jian YANG

表 2 间接健康特征和衰减容量的相关系数

Table 2 Correlation coefficient between indirect health characteristics and attenuation capacity

电池 相关系数 间接健康特征 F1 F2 F3 F4 5 Pearson 0.9949 0.9978 0.9926 0.9949 Spearman 0.9725 0.9926 0.9701 0.9826 Kendall 0.9013 0.9520 0.8959 0.9359 6 Pearson 0.9933 0.9988 0.9948 0.9942 Spearman 0.9989 0.9990 0.9985 0.9993 Kendall 0.9805 0.9825 0.9773 0.9859 7 Pearson 0.9891 0.9969 0.9874 0.9872 Spearman 0.9642 0.9897 0.9637 0.9767 Kendall 0.8811 0.9397 0.8786 0.9179 18 Pearson 0.9895 0.9972 9.8550 0.9908 Spearman 0.9951 0.9952 0.9938 0.9971 Kendall 0.9537 0.9576 0.9490 0.9686