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

Table 4

Average value and cost time comparison of the calculation results of SDE, SPSO, and DE (with noise, ).

True values		SDE	SPSO	DE
	0.96	0.960046346271175	0.959492674736478	0.955663495569419
	1	1.002265003070312	1.010175006124644	1.174963453288619
	1	1.002160216098992	1.004045047242484	0.957180452883223
	1	0.993668488134535	0.983730930793959	1.030124861207625
	1	0.996382591525655	0.984664492992783	1.024923059605036
	1	0.996729257854148	1.029990427269699	1.221970425815988
Cost time (seconds)		182	5086	454