# Surface roughness diagnosis in hard turning using acoustic signals and support vector machine: A PCA-based approach

> Research article (Applied Acoustics, 2019) · cited 56× · AI/ML

**Wikidata**: [openalex:W2983210627](https://www.wikidata.org/wiki/openalex:W2983210627)  
**Source**: https://4ort.xyz/entity/surface-roughness-diagnosis-in-hard-turning-using-acoustic-signals-and-support-vector-machine-a-pca-based-approach