Table 3.

Results for the SVR, Tf model and NNs, ISA Siemens

	MSE (−)		Fit (%)
	Training set	Test set	Training set	Test set
SVR: C = 120 γ = 3.04 × 10−2	1.5 × 10−4	2.8 × 10−4	92.00	89.67
Tf of PID	–	4.6 × 10−4	–	87.67
NN 13-7-1	2.8 × 10−4	2.4 × 10−3	90.18	83.35