An Adaptive Sliding Mode Observer with PLL-Based Estimation for Sensorless PMSM Drives. ITEGAM-JETIA, [S. l.], v. 12, n. 60, p. 1513–1522, 2026. DOI: 10.5935/jetia.v12i60.4417. Disponível em: https://itegam-jetia.org/journal/index.php/jetia/article/view/4417. Acesso em: 22 oct. 2026.