# Aero-engine health degradation estimation based on an underdetermined extended Kalman filter and convergence proof

> Research article (ISA Transactions, 2021) · cited 34× · AI/ML

**Wikidata**: [openalex:W3180548847](https://www.wikidata.org/wiki/openalex:W3180548847)  
**Source**: https://4ort.xyz/entity/aero-engine-health-degradation-estimation-based-on-an-underdetermined-extended-kalman-filter-and-convergence-proof