# An Approximate Estimation Approach of Fault Size for Spalled Ball Bearing in Induction Motor by Tracking Multiple Vibration Frequencies in Current

> Research article (Sensors, 2020) · cited 17× · AI/ML

**Wikidata**: [openalex:W3012444280](https://www.wikidata.org/wiki/openalex:W3012444280)  
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