Abdulaziz Ali S. DESIGN FUZZY PID CONTROLLER FOR NONLINEAR SYSTEMS. J. eng. sustain. dev. [Internet]. 2017 Nov. 1 [cited 2026 Jun. 5];21(6):178-85. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/496