# Design and Comparison of Ferrite Based IPM and NdFeB Based SPM Synchronous Motors for Gearless Elevator Systems

> Research article (2018 XIII International Conference on Electrical Machines (ICEM), 2018) · cited 20× · AI/ML

**Wikidata**: [openalex:W2898383084](https://www.wikidata.org/wiki/openalex:W2898383084)  
**Source**: https://4ort.xyz/entity/design-and-comparison-of-ferrite-based-ipm-and-ndfeb-based-spm-synchronous-motors-for-gearless-elevator-systems