Nonlinear PI Control with Adaptive Interaction Algorithm for Multivariable Wastewater Treatment Process

Table 6

Average effluent concentrations for Case 1.

	Dry			Rain			Storm
	Benchmark; PI	Fixed	Adaptive	Benchmark; PI	Fixed	Adaptive	Benchmark; PI	Fixed	Adaptive
conc; /mg N/L	2.5392	2.3896	2.3881	3.226	3.2041	3.1954	3.0622	3.0395	3.041
TSS conc; /mg SS/L	13.0038	13.0038	13.0038	16.1768	16.175	16.1750	15.2737	15.2773	15.2724
Ntot conc; /mg N/L	16.9245	16.8500	16.8505	16.9245	14.6539	14.6719	15.8676	15.7662	15.7666
Total COD conc/mg COD/L	48.2201	48.2420	48.2427	45.4337	45.4314	45.4479	47.6626	47.6631	47.6639
BOD5 conc/mg/L	2.7568	2.7615	2.7615	3.4557	3.4548	3.4557	3.2050	3.2049	3.2045