# Multilevel Fine Fault Diagnosis Method for Motors Based on Feature Extraction of Fractional Fourier Transform

> Research article (Sensors, 2022) · cited 17× · AI/ML

**Wikidata**: [openalex:W4211045541](https://www.wikidata.org/wiki/openalex:W4211045541)  
**Source**: https://4ort.xyz/entity/multilevel-fine-fault-diagnosis-method-for-motors-based-on-feature-extraction-of-fractional-fourier-transform