MECHANICAL SENSOR FAULT-TOLERANT CONTROLLER IN PMSM DRIVE: EXPERIMENTAL EVALUATION OF OBSERVERS AND SIGNAL INJECTION FOR POSITION ESTIMATION. RRST-EE [Internet]. 2021 Jul. 2 [cited 2025 Jan. 30];66(2):77-83. Available from: https://journal.iem.pub.ro/rrst-ee/article/view/52