Samsudin SI, Sulaiman SF, Osman K, Salim SIM, Mohd Azam SN. Development of Nonlinear Adaptive PI Controller For Improved Pneumatic Actuator System. ijie. 2022;14(6):206-215. Accessed July 23, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/9673