# Torque Calculation of Permanent-Magnet Spherical Motor Based on Permanent-Magnet Surface Current and Lorentz Force

> Research article (IEEE Transactions on Magnetics, 2020) · cited 43× · AI/ML

**Wikidata**: [openalex:W3008875195](https://www.wikidata.org/wiki/openalex:W3008875195)  
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