# Robustness Improvement of Model-Based Sensorless SPMSM Drivers Based on an Adaptive Extended State Observer and an Enhanced Quadrature PLL

> Research article (IEEE Transactions on Power Electronics, 2020) · cited 119× · AI/ML

**Wikidata**: [openalex:W3080547653](https://www.wikidata.org/wiki/openalex:W3080547653)  
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