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Precise battery State of Charge(SOC) and State of Health(SOH) estimation are critical to ensure aircraft safe, economic and dependable operation when embedded electronic devices, energy storage systems and electric vehicles. [1] Tradi-tional voltage- and current-based SOC/ SOH monitoring methods are often plagued by error build-up, model mismatch, and higher sensitivity to different operating environments. [2] In this paper, an integrated machine learning pipeline for joint SOC and SOH estimation using two separate numerical data set and multiple regressors algorithms is proposed. It covers EDA, normalization(StandardScaler), DataTrain/DataTest split(80/20), and four regression metrics; coefficient of determination(R2), root mean square error, and mean absolute error and mean absolute percentage error. The best stand-alone estimator for SOC prediction is Random Forest Regression with an average test R2 of 0.9137, RMSE of 6.16, MAE of 2.55, and MAPE of 6.67%.For or SOH prediction the Extra Trees Regression reaches near-perfect (R2) of 0.9955, RMSE 1.24, MAE 0.96, and MAPE of 1.75%. Its feature contribution analysis shows that route distance, longitude and altimetry features dominate SOC prediction, whereas internal resistance and capacity dominate SOH prediction, both in line with physical knowledge of battery performance. [6] The testing models are used in a web app based on Streamlit to provide real-time, user-friendly battery management without domain expertise.
Keywords:
Battery management systems, State of Charge, State of Health, Machine learning, Random Forest, Extra Trees.
Cite Article:
"Machine Learning-Based Estimation of Battery State of Charge and State of Health", International Journal for Research Trends and Innovation (www.ijrti.org), ISSN:2456-3315, Vol.11, Issue 5, page no.b173-b178, May-2026, Available :http://www.ijrti.org/papers/IJRTI2605125.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator