# Unknown Resistive Torque Estimation of a Rotary Drilling System Based on Kalman Filter

> Research article (IETE Journal of Research, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3007989596](https://www.wikidata.org/wiki/openalex:W3007989596)  
**Source**: https://4ort.xyz/entity/unknown-resistive-torque-estimation-of-a-rotary-drilling-system-based-on-kalman-filter