Benbouhenni, Habib. 2019. “Four-Level Direct Torque Control of Permanent Magnet Synchronous Motor Based on Neural Networks With Regulation Speed Using Neural PI Controller”. Majlesi Journal of Mechatronic Systems 8 (4), 1-10. http://journals.iaumajlesi.ac.ir/ms/index/index.php/ms/article/view/408.