# A novel fuzzy‐extended Kalman filter‐ampere‐hour (F‐EKF‐Ah) algorithm based on improved second‐order PNGV model to estimate state of charge of lithium‐ion batteries

> Research article (International Journal of Circuit Theory and Applications, 2022) · cited 40× · AI/ML

**Wikidata**: [openalex:W4286504273](https://www.wikidata.org/wiki/openalex:W4286504273)  
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