Table 3 Grey relational degrees of health indicator.

From: Estimation of lithium-ion battery health state using MHATTCN network with multi-health indicators inputs

Health indicator

Battery 35

Battery 36

Battery 37

Battery 38

Average

HI1

0.9481

0.9630

0.9678

0.9224

0.9558

HI2

0.5761

0.6395

0.6434

0.6507

0.6693

HI3

0.8454

0.8129

0.8063

0.8645

0.8322