| Issue |
ITM Web Conf.
Volume 24, 2019
AMCSE 2018 - International Conference on Applied Mathematics, Computational Science and Systems Engineering
|
|
|---|---|---|
| Article Number | 02005 | |
| Number of page(s) | 4 | |
| Section | Computers | |
| DOI | https://doi.org/10.1051/itmconf/20192402005 | |
| Published online | 01 February 2019 | |
Spectral Determination of Nonlinear System Parameters
1
ENSAM, IMSM, L2MC, AEEE Department, Moulay Ismail University, Meknès, Morocco
2
ESTM, LEM2A, Electrical Engineering Department, Moulay Ismail University, Meknès, Morocco
* Corresponding author: a.brouri@ensam-umi.ac.ma
In this paper we propose an identification method of nonlinear system. This later can be structured by Wiener models. The determination of nonlinear system parameters can be done using spectral analysis. The system nonlinearity is allowed to be noninvertible general shape nonlinearity but it must be approximated by a polynomial function. The polynomial degree n can vary from one interval to another. The linear dynamic element is not-necessarily parametric but BIBO stable. In this work, a spectral method is developed allowing the estimates of the complex frequency gain as well as the estimates of nonlinear block parameters the identification method is built using one stage.
© The Authors, published by EDP Sciences, 2019
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