R, Ashok kumar; K, Balaji. Sensor less control of PMSM fed from three phase four switch inverter based on back EMF observer and sliding mode controller with fast reaching law. International Journal of Engineering & Technology, [S. l.], v. 7, n. 2, p. 725–731, 2018. DOI: 10.14419/ijet.v7i2.10847. Disponível em: https://sciencepubco.com/index.php/ijet/article/view/10847.. Acesso em: 3 may. 2024.