[Retracted] Intelligent Optimal Control of Sewage Treatment Based on Multiobjective Evolutionary Algorithm

Table 3

Parameter settings.

Optimization algorithm	PID controller
Neighborhood size	H = 5	Dissolved oxygen	Nitrate nitrogen
Problem dimension	D = 2	KP.O = 200	KP.NO = 20000
Population size	N = 20	KI.O = 15	KI.NO = 5000
Evolution times	M = 30	KD.O = 2	KD.NO = 400