# A Novel SPMSM Sensorless Drive Using Discrete-Time Synchronous-Frequency Adaptive Observer Under Low Frequency Ratio

> Research article (IEEE Transactions on Power Electronics, 2022) · cited 31× · AI/ML

**Wikidata**: [openalex:W4225554555](https://www.wikidata.org/wiki/openalex:W4225554555)  
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