# Development of a Δ-Type Mobile Robot Driven by Three Standing-Wave-Type Piezoelectric Ultrasonic Motors

> Research article (IEEE Robotics and Automation Letters, 2020) · cited 49× · AI/ML

**Wikidata**: [openalex:W3080588483](https://www.wikidata.org/wiki/openalex:W3080588483)  
**Source**: https://4ort.xyz/entity/development-of-a-type-mobile-robot-driven-by-three-standing-wave-type-piezoelectric-ultrasonic-motors