基于充电过程的锂电池SOH估计和RUL预测

李放, 闵永军, 王琛, 张涌

State of health estimation and remaining useful life predication of lithium batteries using charging process

Fang LI, Yongjun MIN, Chen WANG, Yong ZHANG

表4 不同协方差核函数SOH估计结果评价

Table 4 Evaluation of SOH estimation results for different covariance kernel functions

电池型号 PE-GPR NN-GPR NN+PE-GPR PSO- NN+PE-GPR MAPE/% RMSE MAPE/% RMSE MAPE/% RMSE MAPE/% RMSE B0005 8.4889 0.0767 3.2967 0.0290 2.9605 0.0220 0.6426 0.0070 B0006 7.5277 0.0554 5.9013 0.0452 2.5350 0.0197 1.0376 0.0092 B0007 3.9387 0.0384 3.4364 0.0259 2.5054 0.0204 0.5022 0.0051 B0018 5.6665 0.0416 3.4991 0.0324 1.8643 0.0200 0.9604 0.0148