KEBBAB, F. Z.; BELKHIAT, D. E. C.; JABRI, D.; BELKHIAT, S. Frequency Speed Control of Rotary Travelling Wave Ultrasonic Motor Using Fuzzy Controller. Engineering, Technology & Applied Science Research, Greece, v. 8, n. 4, p. 3276–3281, 2018. DOI: 10.48084/etasr.2204. Disponível em: https://etasr.com/index.php/ETASR/article/view/2204. Acesso em: 18 jul. 2024.