# A flexible shaft based travelling wave ultrasonic motor with high-precision positioning characteristics

> Research article (Precision Engineering, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W3141315668](https://www.wikidata.org/wiki/openalex:W3141315668)  
**Source**: https://4ort.xyz/entity/a-flexible-shaft-based-travelling-wave-ultrasonic-motor-with-high-precision-positioning-characteristics