Taylor-fourier series analysis for fractional order systems. Barbé, K., Lauwers, L., & Fuentes, L. G. In 2015 23rd European Signal Processing Conference (EUSIPCO), pages 938-942, Aug, 2015.
Paper doi abstract bibtex Dynamical systems describing a physical process with a dominant diffusion phenomenon require a large dimensional model due to their long memory. Without prior knowledge, it is however not straightforward to know if/whether one deals with a fractional order system or long memory effects. Since the parametric modeling of a fractional system is very involved, we tackle the question whether fractional insight can be gathered in a non-parametric way. In this paper we show that the classical Fourier basis leading to the Frequency Response Function (FRF) lacks fractional insight. Therefore, we introduce a TaylorFourier basis to obtain non-parametric insight in the fractional system. This analysis proposes a novel type of spectrum to visualize the spectral content of a fractional system: the Taylor-Fourier spectrum.
@InProceedings{7362521,
author = {K. Barbé and L. Lauwers and L. G. Fuentes},
booktitle = {2015 23rd European Signal Processing Conference (EUSIPCO)},
title = {Taylor-fourier series analysis for fractional order systems},
year = {2015},
pages = {938-942},
abstract = {Dynamical systems describing a physical process with a dominant diffusion phenomenon require a large dimensional model due to their long memory. Without prior knowledge, it is however not straightforward to know if/whether one deals with a fractional order system or long memory effects. Since the parametric modeling of a fractional system is very involved, we tackle the question whether fractional insight can be gathered in a non-parametric way. In this paper we show that the classical Fourier basis leading to the Frequency Response Function (FRF) lacks fractional insight. Therefore, we introduce a TaylorFourier basis to obtain non-parametric insight in the fractional system. This analysis proposes a novel type of spectrum to visualize the spectral content of a fractional system: the Taylor-Fourier spectrum.},
keywords = {Fourier series;frequency response;nonparametric statistics;spectral analysis;Taylor-Fourier series analysis;fractional order systems;dynamical systems;physical process;dominant diffusion phenomenon;large dimensional model;long memory effects;parametric modeling;classical Fourier basis;frequency response function;nonparametric insight;spectral content;Decision support systems;Europe;Signal processing;Conferences;Poles and zeros;Time-frequency analysis;Non-parametric modeling;dynamic systems;fractional order systems;Taylor-Fourier basis;theory of frames},
doi = {10.1109/EUSIPCO.2015.7362521},
issn = {2076-1465},
month = {Aug},
url = {https://www.eurasip.org/proceedings/eusipco/eusipco2015/papers/1570102515.pdf},
}
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