Kong, Huifang, and Yao Fang. “Neural Network PID Algorithm for a Class of Discrete-Time Nonlinear Systems”. International Journal of Online and Biomedical Engineering (iJOE) 14, no. 02 (February 28, 2018): pp. 103–116. Accessed November 24, 2024. https://online-journals.org/index.php/i-joe/article/view/7914.