# Multi-modal multi-scale multi-level fusion quadrant entropy for mechanical fault diagnosis

> Research article (Expert Systems with Applications, 2025) · cited 50× · AI/ML

**Wikidata**: [openalex:W4409429797](https://www.wikidata.org/wiki/openalex:W4409429797)  
**Source**: https://4ort.xyz/entity/multi-modal-multi-scale-multi-level-fusion-quadrant-entropy-for-mechanical-fault-diagnosis