Influence of the Selection of Reaction Curve’s Representative Points on the Accuracy of the Identified Fractional-Order Model

Table 11

Set of process fractional orders, sampling periods, number of samples, and time length used in FFOPDT step responses for processes P_1,i (i = 1, …, 9).

i	λi	TS (s)	NS	NSTS (s)
1	0.60	0.01	58278	582.77
2	0.65	0.01	29312	293.12
3	0.70	0.01	15816	158.15
4	0.75	0.01	8960	89.59
5	0.80	0.01	5224	52.23
6	0.85	0.01	3067	30.66
7	0.90	0.01	1760	17.60
8	0.95	0.01	965	9.64
9	1.00	0.01	594	5.93