# A portable bolt-loosening detection system with piezoelectric-based nondestructive method and artificial neural networks

> Research article (Structural Health Monitoring, 2021) · cited 33× · AI/ML

**Wikidata**: [openalex:W3160166407](https://www.wikidata.org/wiki/openalex:W3160166407)  
**Source**: https://4ort.xyz/entity/a-portable-bolt-loosening-detection-system-with-piezoelectric-based-nondestructive-method-and-artificial-neural-networks