An adaptive remaining useful life prediction approach for single battery with unlabeled small sample data and parameter uncertainty

Jiusi Zhang, Yuchen Jiang, Xiang Li, Mingyi Huo, Hao Luo and Shen Yin

Reliability Engineering and System Safety, 2022, vol. 222, issue C

Abstract: Accurate prediction of the remaining useful life (RUL) of lithium-ion battery is of great significance for the reliability of electronic equipment. In the conventional approaches, there are notable challenges in the RUL prediction for a single battery lacking historical data. To predict the battery’s RUL under the condition of unlabeled small sample data and to describe the uncertainty of the parameter estimation in the degradation model, a novel adaptive approach based on Kalman filter and expectation maximum with Rauch–Tung–Striebel (KF-EM-RTS) is proposed to predict the battery’s RUL. Specifically, without RUL labels and offline training, an online KF adaptive-update model based on the Wiener process is proposed for a single battery, in which the uncertainty of parameter estimation is described. Furthermore, the unknown model parameters can be adaptively estimated using EM-RTS to overcome the constraints of strong Markov characteristics, the convergence of which is proved. The real-world battery dataset provided by NASA Ames research center is applied to verify the proposed RUL prediction approach. Experimental results show that the proposed approach outperforms the existing conventional data-driven approaches for predicting the battery’s RUL.

Keywords: Battery; Remaining useful life; Unlabeled small sample data; Parameter uncertainty; KF-EM-RTS; Prediction (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (17)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:222:y:2022:i:c:s0951832022000369

DOI: 10.1016/j.ress.2022.108357

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