A brief tutorial overview of disturbance observers for nonlinear systems : application to flatness-based controlKaldmäe, Arvo; Kotta, ÜlleProceedings of the Estonian Academy of Sciences2020 / p. 57-73 : ill https://doi.org/10.3176/proc.2020.1.07 http://www.kirj.ee/33035/?tpl=1061&c_tpl=1064 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS Fractional order sliding mode controller based on supervised machine learning techniques for speed control of PMSMZahraoui, Younes; Zaihidee, Fardila M.; Kermadi, Mostefa; Mekhilef, Saad; Mubin, Marizan; Tang, Jing Rui; Zaihidee, Ezrinda M.Mathematics2023 / art. 1457 https://doi.org/10.3390/math11061457