# An Unknown Input Observer–EFIR Combined Estimator for Electrohydraulic Actuator in Sensor Fault-Tolerant Control Application

> Research article (IEEE/ASME Transactions on Mechatronics, 2020) · cited 28× · AI/ML

**Wikidata**: [openalex:W3047138371](https://www.wikidata.org/wiki/openalex:W3047138371)  
**Source**: https://4ort.xyz/entity/an-unknown-input-observerefir-combined-estimator-for-electrohydraulic-actuator-in-sensor-fault-tolerant-control-applicat