# A ball-in-ball type self-powered magnetoelectric inertial sensor for 3D multi-angle motion monitoring of humanoid robots

> Research article (Nano Energy, 2021) · cited 30× · AI/ML

**Wikidata**: [openalex:W3150159942](https://www.wikidata.org/wiki/openalex:W3150159942)  
**Source**: https://4ort.xyz/entity/a-ball-in-ball-type-self-powered-magnetoelectric-inertial-sensor-for-3d-multi-angle-motion-monitoring-of-humanoid-robots