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

Table 5

RMSE comparisons of the calculation results of SDE, SPSO, and DE (with noise, ).

	SDE	SPSO	DE
	0.001584953335274	0.001293305038638	0.023784962594894
	0.017375130670679	0.020862720773417	0.440801581318434
	0.009230747360439	0.012166424039078	0.120480160254245
	0.037996942936807	0.055568589135587	0.199587022659009
	0.032648336359859	0.048481351301828	0.202914504433050
	0.050175281400924	0.057163873938459	0.748553299332483