Research Article
Identification of Input Nonlinear Control Autoregressive Systems Using Fractional Signal Processing Approach
Table 2
Comparison of proposed results against true values of INCAR model for 20 dB SNR.
| | Method | Design parameters | MSE | | | | | | | | |
| (10−04, 10−08) | VLMS | 1.347467 | | 1.185194 | 0.341222 | 0.235790 | 1.435438 | 1.067026 | 0.282885 | | KLMS | 1.352035 | | 0.923361 | 0.244504 | 0.577959 | 1.563722 | 0.660224 | 0.673292 | | FLMS1 | 1.351852 | | 0.998773 | 0.499946 | 0.201665 | 1.679453 | 0.841320 | 0.336062 | | FLMS2 | 1.351805 | | 0.998823 | 0.499995 | 0.201691 | 1.679341 | 0.841338 | 0.336139 | |
| (10−03, 10−05) | VLMS | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | NaN | KLMS | 1.353428 | | 1.141632 | 0.298110 | 0.300711 | 1.325873 | 1.163538 | 0.362182 | | FLMS1 | 1.345754 | | 0.996107 | 0.496821 | 0.201403 | 1.679157 | 0.838343 | 0.338860 | | FLMS2 | 1.345854 | | 0.996484 | 0.496661 | 0.201533 | 1.679222 | 0.838346 | 0.338957 | |
| True values | | 1.350000 | | 1.000000 | 0.500000 | 0.200000 | 1.680000 | 0.840000 | 0.33600 | 0 |
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