Sequential Parameter Identification of Fractional-Order Duffing System Based on Differential Evolution Algorithm

Table 3

RMSE comparisons of the calculation results of SDE, SPSO, and DE (without noise).

	SDE	SPSO	DE
	0	0	0.229349161461870
	0	0	0.345647703975610
	0	0	0.285615515196729
	0.25470 × 10^−15	0.78505 × 10^−15	0.245726407787693
	0	0	0.232148495895464
	0	0	0.664922349600648