# An Intelligent Fault Diagnosis Method for Bearings with Variable Rotating Speed Based on Pythagorean Spatial Pyramid Pooling CNN

> Research article (Sensors, 2018) · cited 73× · AI/ML

**Wikidata**: [openalex:W2901856126](https://www.wikidata.org/wiki/openalex:W2901856126)  
**Source**: https://4ort.xyz/entity/an-intelligent-fault-diagnosis-method-for-bearings-with-variable-rotating-speed-based-on-pythagorean-spatial-pyramid-poo