ET AL., L. L. Design of Quad-rotor Controller Based on Fractional Order Sliding Mode Control. CONVERTER, [S. l.], p. 65 - 72, 2021. DOI: 10.17762/converter.16. Disponível em: http://www.converter-magazine.info/index.php/converter/article/view/16. Acesso em: 7 aug. 2026.