# Spatial observer-based repetitive controller: An active disturbance rejection approach

> Research article (Control Engineering Practice, 2015) · cited 32× · AI/ML

**Wikidata**: [openalex:W609899674](https://www.wikidata.org/wiki/openalex:W609899674)  
**Source**: https://4ort.xyz/entity/spatial-observer-based-repetitive-controller-an-active-disturbance-rejection-approach