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Communication Dans Un Congrès Année : 2021

Identification of Nonlinear Dynamic Systems Structured by Expanded Wiener Model

Résumé

A problem of parameter identification of nonlinear manufacturing systems represented by expanded Wiener model, linear elements of which are described by the ordinary differential equation, in the frequency domain is considered. Method of parameter identification in steady state based on the observation of the system's input and output variables at the input harmonic influences is proposed. The solution of the problem of parameter identification is reduced to the solution of the systems of algebraic equations by using the Fourier approximation. The parameters estimations are received by the least squares method. Reliability of the received results, at the identification of the nonlinear systems in industrial conditions at the presence of noise, depends on the accuracy of the measurement of system input and output signals and mathematical processing of the experimental data at the approximation. The parameter identification method is investigated by means of both the theoretical analysis and the computer modelling.
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hal-04030421 , version 1 (15-03-2023)

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Besarion Shanshiashvili, Beka Avazneli. Identification of Nonlinear Dynamic Systems Structured by Expanded Wiener Model. IFIP International Conference on Advances in Production Management Systems (APMS), Sep 2021, Nantes, France. pp.546-554, ⟨10.1007/978-3-030-85874-2_58⟩. ⟨hal-04030421⟩
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