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dc.creatorRufino Júnior, Carlos Antônio-
dc.creatorLima, Marcelo Antônio Alves-
dc.creatorMendes, Thais Martins-
dc.creatorMonteiro, Henrique Luis Moreira-
dc.creatorFerreira, Danton Diego-
dc.date.accessioned2022-10-25T20:16:32Z-
dc.date.available2022-10-25T20:16:32Z-
dc.date.issued2022-07-
dc.identifier.citationRUFINO JÚNIOR, C. A. et al. Adaptive filter bank based on Independent Component Analysis for harmonic, inter-harmonic and sub-harmonic extraction. Circuits, Systems and Signal Processing, [S. I.]. v. 41, p. 7077-7100, Dec. 2022. DOI: https://doi.org/10.1007/s00034-022-02114-3.pt_BR
dc.identifier.urihttps://doi.org/10.1007/s00034-022-02114-3pt_BR
dc.identifier.urihttp://repositorio.ufla.br/jspui/handle/1/55335-
dc.description.abstractIn the present work, an adaptive filter bank based on independent component analysis (ICA) for harmonic, inter-harmonic and sub-harmonic extraction from voltage signals is proposed. The first stage of the proposed method comprises in generating a multi-channel data representation by using a finite impulse response (FIR) filter bank. In the second stage, this multi-channel representation is presented to the ICA algorithm, which extracts the harmonic, sub-harmonic and inter-harmonic components from the monitored signal. The method was evaluated with three simulated cases, considering harmonics, inter-harmonics, sub-harmonics and voltage sag, and a real signal acquired from a 13.8 kV arc furnace corrupted by harmonics, supra-harmonics, flicker and sag. The influence of noise and disturbances, the size of the processing signal window and the computational complexity of the proposed method were investigated. The results showed that the method was able to extract the disturbance components present in the signal accurately and with lower computationally complexity in comparison with the classical ICA-based method.pt_BR
dc.languageenpt_BR
dc.publisherSpringer Naturept_BR
dc.rightsrestrictAccesspt_BR
dc.sourceCircuits, Systems and Signal Processingpt_BR
dc.subjectHarmonicspt_BR
dc.subjectInter-harmonicspt_BR
dc.subjectSub-harmonicspt_BR
dc.subjectIndependent components analysispt_BR
dc.subjectFilter bankpt_BR
dc.subjectHarmônicospt_BR
dc.subjectInter-harmônicospt_BR
dc.subjectSub-harmônicospt_BR
dc.subjectAnálise de componentes independentespt_BR
dc.subjectEnergia elétrica - Qualidadept_BR
dc.titleAdaptive filter bank based on Independent Component Analysis for harmonic, inter-harmonic and sub-harmonic extractionpt_BR
dc.typeArtigopt_BR
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