A State of Health Estimation Framework for Lithium-Ion Batteries Using Transfer Components Analysis

Bowen Jia, Yong Guan and Lifeng Wu
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Bowen Jia: College of Information Engineering, Capital Normal University, Beijing 100048, China
Yong Guan: College of Information Engineering, Capital Normal University, Beijing 100048, China
Lifeng Wu: College of Information Engineering, Capital Normal University, Beijing 100048, China

Energies, 2019, vol. 12, issue 13, 1-14

Abstract: As different types of lithium batteries are increasingly employed in various devices, it is crucial to predict the state of health (SOH) of lithium batteries. There are plenty of methods for SOH estimation of a lithium-ion battery. However, existing technologies often have computational complexity. Furthermore, it is difficult to use least the previous 30% of data of the battery degradation process to predict the SOH variation of the entire degradation process. To address this problem, in this paper, the SOH of the target battery is estimated based on the transfer of different battery data sets. Firstly, according to importance sampling (IS), valid features are extracted from cycles of charging voltage in both the source and target battery. Secondly, transfer component analysis (TCA) is used to map the source data set to the target data set. Moreover, an extreme learning machine (ELM) algorithm is employed to train a single hidden layer feed forward neural network (SLFN) for its fast training speed and facile to set up. Finally, validation experiments and the comparisons on the results are conducted. The results showed that the proposed framework has a good capability of predicting the SOH of lithium batteries.

Keywords: domain adaptation; transfer components analysis; extreme learning machine; state of health (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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