Sriprang, Songklod, Babak Nahid-Mobarakeh, Noureddine Takorabet, Serge Pierfederici, Nicu Bizon, Poom Kuman, and Phatiphat Thounthong. 2019. “Permanent Magnet Synchronous Motor Dynamic Modeling With State Observer-Based Parameter Estimation for AC Servomotor Drive Application”. Applied Science and Engineering Progress 12 (4):286-97. https://ph02.tci-thaijo.org/index.php/ijast/article/view/232611.