DNTPHNTMTDTMD. Designingan Adaptive PID Controller for Dissolved Oxygen Control of the Activated Sludge Wastewater Treatment using Hedge Algebras. ijfrcsce [Internet]. 2018May31 [cited 2024May2];4(5):177-84. Available from: http://www.ijfrcsce.org/index.php/ijfrcsce/article/view/1669