# Condition Monitoring for the Roller Bearings of Wind Turbines under Variable Working Conditions Based on the Fisher Score and Permutation Entropy

> Research article (Energies, 2019) · cited 23× · AI/ML

**Wikidata**: [openalex:W2968456312](https://www.wikidata.org/wiki/openalex:W2968456312)  
**Source**: https://4ort.xyz/entity/condition-monitoring-for-the-roller-bearings-of-wind-turbines-under-variable-working-conditions-based-on-the-fisher-scor