# Identification of time-varying stiffness with unknown mass distribution based on extended Kalman filter

> Research article (Mechanical Systems and Signal Processing, 2024) · cited 13× · AI/ML

**Wikidata**: [openalex:W4391630912](https://www.wikidata.org/wiki/openalex:W4391630912)  
**Source**: https://4ort.xyz/entity/identification-of-time-varying-stiffness-with-unknown-mass-distribution-based-on-extended-kalman-filter