# Ring-shaped traveling wave ultrasonic motor for high-output power density with suspension stator

> Research article (Ultrasonics, 2019) · cited 24× · AI/ML

**Wikidata**: [openalex:W2981335417](https://www.wikidata.org/wiki/openalex:W2981335417)  
**Source**: https://4ort.xyz/entity/ring-shaped-traveling-wave-ultrasonic-motor-for-high-output-power-density-with-suspension-stator