基于SVD-SAE-GPR的锂离子电池RUL预测

董渊昌, 庞晓琼, 贾建芳, 史元浩, 温杰, 李笑, 张鑫

Remaining useful life prediction of lithium-ion batteries based on SVD-SAE-GPR

Yuanchang DONG, Xiaoqiong PANG, Jianfang JIA, Yuanhao SHI, Jie WEN, Xiao LI, Xin ZHANG

表4 CH2和CH5容量与潜在HIs的Spearman相关分析

Table 4 Spearman correlation analysis between capacity and potential HIs of CH2 and CH5

特征提取对象 HIs Spearman相关系数 CH2 CH5 时间 HI1 0.9353 0.9868 充电容量 HI2 0.9984 0.9986 电流 HI3 0.9983 0.9978 电压 HI4 0.9405 0.9835 温度 HI5 0.9980 0.9880 dQ/dV HI6 0.9984 0.9998 dV/dQ HI7 -0.9973 -0.9922 dT/dV HI8 -0.2448 0.1870