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

Table 7

Average effluent concentrations for Case 2.

	Dry			Rain			Storm
	Benchmark PI	Fixed	Adaptive	Benchmark; PI	Fixed	Adaptive	Benchmark; PI	Fixed	Adaptive
conc; /mg N/L	2.5392	2.5128	2.5126	3.226	3.2041	3.1954	3.0622	3.0395	3.0390
TSS conc; /mg SS/L	13.0038	13.0058	13.0058	16.1768	16.1798	16.1750	15.2737	15.2733	15.2734
Ntot conc; /mg N/L	16.9245	16.8169	16.8160	16.9245	14.6539	14.6719	15.8676	15.7672	15.7666
Total COD conc/mg COD/L	48.2201	48.2201	48.2201	45.4337	45.4314	45.4479	47.6626	47.6638	47.6639
BOD5 conc/mg/L	2.7568	2.7560	2.7560	3.4557	3.4548	3.4549	3.2050	3.2049	3.2049