2022
DOI: 10.1016/j.apenergy.2022.119011
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Novel informed deep learning-based prognostics framework for on-board health monitoring of lithium-ion batteries

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Cited by 30 publications
(4 citation statements)
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References 65 publications
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“…The use of BNN for battery diagnostics/prognostics has been few in number and largely lacked rigorous analysis of its Bayesian uncertainty quantification. For example, Kim et al 137 proposed a knowledge-infused BNN for onboard SOH estimation and RUL prediction of Li-ion batteries in EVs. Their approach incorporated novel domain knowledge by (a) designing impedance-related features based on discharge voltage slopes that have been observed to be correlated with degradation, and (b) introducing into an RNN a knowledge-infused block that uses an empirical double-exponential model for degradation estimation.…”
Section: Soh Estimationmentioning
confidence: 99%
“…The use of BNN for battery diagnostics/prognostics has been few in number and largely lacked rigorous analysis of its Bayesian uncertainty quantification. For example, Kim et al 137 proposed a knowledge-infused BNN for onboard SOH estimation and RUL prediction of Li-ion batteries in EVs. Their approach incorporated novel domain knowledge by (a) designing impedance-related features based on discharge voltage slopes that have been observed to be correlated with degradation, and (b) introducing into an RNN a knowledge-infused block that uses an empirical double-exponential model for degradation estimation.…”
Section: Soh Estimationmentioning
confidence: 99%
“…2) Integration with physics-informed DL models: Relying solely on battery tests or simulation data in a completely data-driven manner to learn the LIB behaviors can be inefficient with the current test setup limitations and the high uncertainties existing in real-world driving profiles [128]. Ensuring the robustness of DL models against uncertainties such as sensor noise, operational variations, and environmental changes remains a challenging task in BPHM [129]. Physics-informed neural networks combine physical laws with data-driven insights to provide comprehensive and reliable BPHM [130].…”
Section: A Research Challengesmentioning
confidence: 99%
“…Unlike the previous ML models that are explained via averaged feature importance after the prediction of the responses, [105,107] quantify the importance of the features during the training phase of the model as well. In [105], a continuous evolution of the relative feature importance with respect to the training epochs of an empirical knowledgeinfused neural network on 124 cells shows a considerable fluctuation across the range until the final epoch block. However, all feature importance values converge to a steady value at the final epochs of training.…”
Section: State Of Health Estimationmentioning
confidence: 99%