Active Disturbance Rejection Control for Activated Sludge Wastewater Treatment Processes

In this article, Active Disturbance Rejection Control (ADRC) is proposed for the control of the activated sludge wastewater treatment processes. Simulation results show that the dissolved oxygen concentration can track the set value with non-overshoot and short settling time as possible by ADRC. Under disturbance, ADRC can actively estimate and compensate for external disturbances, to ensure a good control effect of dissolved oxygen concentration.