K. H. Hong and S. K. Kim, “Optimal IMC-PID Controller Incorporating Predictive Functional Control Structure and Disturbance Observer”, IJRAMT, vol. 6, no. 9, pp. 62–67, Sep. 2025, Accessed: Oct. 07, 2025. [Online]. Available: https://journals.ijramt.com/index.php/ijramt/article/view/3125