Mathematical Problems in Engineering / 2013 / Article / Tab 2

Research Article

Recursive Least-Squares Estimation for Hammerstein Nonlinear Systems with Nonuniform Sampling

Table 2

The parameter estimates and their errors ( ).

δ (%)

100 −0.696050.48092−0.594840.83269−0.306380.599811.176770.547010.1858713.23523
500 −0.685030.51969−0.545420.81494−0.303310.686321.058130.547060.228367.30117
1000 −0.655030.49678−0.507680.79029−0.269150.685311.017080.518760.252744.13831
2000 −0.642330.46233−0.492290.74295−0.251400.669111.004670.500790.250832.89926
3000 −0.647330.45069−0.494450.72782−0.252860.657641.018200.498930.242313.07166
4000 −0.652620.45294−0.495640.72445−0.252570.656081.004310.501790.252332.68214
5000 −0.663190.45510−0.506540.72291−0.257890.658420.998030.502150.253412.01651
6000 −0.666970.46155−0.514090.72921−0.257060.662430.997000.508810.254741.45453

True values−0.680000.47241−0.526740.73948−0.250700.662211.000000.500000.25000

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