# An Extended Kalman Filter Design for State-of-Charge Estimation Based on Variational Approach

> Research article (Batteries, 2023) · cited 22× · AI/ML

**Wikidata**: [openalex:W4389625006](https://www.wikidata.org/wiki/openalex:W4389625006)  
**Source**: https://4ort.xyz/entity/an-extended-kalman-filter-design-for-state-of-charge-estimation-based-on-variational-approach