Design of a generalized fractional-order PID controller using operational amplifiersGonzalez, Emmanuel A.; Alimisis, Vassilis; Psychalinos, Costas; Tepljakov, Aleksei2018 25th IEEE International Conference on Electronics Circuits and Systems (ICECS), Bordeaux, France, December 9–12, 20182018 / p. 253-256 : ill http://dx.doi.org/10.1109/ICECS.2018.8617954

Retrofitting fractional-order dynamics to an existing feedback control system : from classical proportional-integral (PI) control to fractional-order proportional-derivative (FOPD) controlGonzalez, Emmanuel A.; Tepljakov, Aleksei; Monje, Concepcion A.; Petráš, IvoInternational research journal on innovations in engineering, science and technology2017 / 6 p https://www.researchgate.net/publication/325989325_Retrofitting_Fractional-Order_Dynamics_to_an_Existing_Feedback_Control_System_From_Classical_Proportional-Integral_PI_Control_to_Fractional-Order_Proportional-Derivative_FOPD_Control