Abstract
Slow convergence and low accuracy are two main drawbacks in nonlinear system identification methods. It becomes more complicated when time delay and noises are considered. In this paper, considering a fractional-order Hammerstein model, an online identification method is proposed. A combination of an evolutionary optimization method and recursive least square algorithm is used to estimate the system parameters and orders in the presence of unknown noises. Finally, simulation results are taken to prove the effectiveness of the proposed algorithm.
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Jahani Moghaddam, M. Online system identification using fractional-order Hammerstein model with noise cancellation. Nonlinear Dyn 111, 7911–7940 (2023). https://doi.org/10.1007/s11071-023-08249-5
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DOI: https://doi.org/10.1007/s11071-023-08249-5