# A novel error mapping of bi-directional angular positioning deviation of rotary axes in a SCARA-type robot by “open-loop” tracking interferometer measurement

> Research article (Precision Engineering, 2021) · cited 19× · AI/ML

**Wikidata**: [openalex:W3213430795](https://www.wikidata.org/wiki/openalex:W3213430795)  
**Source**: https://4ort.xyz/entity/a-novel-error-mapping-of-bi-directional-angular-positioning-deviation-of-rotary-axes-in-a-scara-type-robot-by-open-loop-