# Permutation entropy-based 2D feature extraction for bearing fault diagnosis

> Research article (Nonlinear Dynamics, 2020) · cited 55× · AI/ML

**Wikidata**: [openalex:W3095738619](https://www.wikidata.org/wiki/openalex:W3095738619)  
**Source**: https://4ort.xyz/entity/permutation-entropy-based-2d-feature-extraction-for-bearing-fault-diagnosis