# Differgram: A convex optimization-based method for extracting optimal frequency band for fault diagnosis of rotating machinery

> Research article (Expert Systems with Applications, 2023) · cited 18× · AI/ML

**Wikidata**: [openalex:W4390323375](https://www.wikidata.org/wiki/openalex:W4390323375)  
**Source**: https://4ort.xyz/entity/differgram-a-convex-optimization-based-method-for-extracting-optimal-frequency-band-for-fault-diagnosis-of-rotating-mach