Fig 1.
Capacity degeneration trajectories of four batteries.
Fig 2.
Prediction sketch of the RUL of batteries.
Fig 3.
Overall technical roadmap for battery RUL predict.
Fig 4.
Prediction results of No.5 battery with the 60th cycle as the prediction starting point.
(a) Prediction result of three models. (b) Zoomed section near failure threshold. (c) Prediction error curve of three models.
Fig 5.
Prediction results of No.5 battery with the 80th cycle as the prediction starting point.
(a) Prediction result of three models. (b) Zoomed section near failure threshold. (c) Prediction error curve by three models.
Fig 6.
Prediction error curve of No.6 battery with different starting points by three models.
(a) the 60th cycle as the starting point. (b) the 80th cycle as the starting point.
Table 1.
Comparison of RUL prediction between GPM, SVM, and GPR of No.5 and No.6 batteries.