Степанец, Александр Васильевич, and Дария Андреевна Моторина. “Adaptive Automatic Control System With PI-Controller Frequency Tuning”. Eastern-European Journal of Enterprise Technologies 2, no. 9(68) (April 18, 2014): 45–48. Accessed December 25, 2024. https://journals.uran.ua/eejet/article/view/23340.