# A Four-Feet Walking-Type Rotary Piezoelectric Actuator with Minute Step Motion

> Research article (Sensors, 2018) · cited 18× · AI/ML

**Wikidata**: [openalex:W2800667470](https://www.wikidata.org/wiki/openalex:W2800667470)  
**Source**: https://4ort.xyz/entity/a-four-feet-walking-type-rotary-piezoelectric-actuator-with-minute-step-motion