Parametric methods

Latest additions:
2013-11-20
16:18
Assessment of Power Quality in Wind Power Systems / Leonowicz, Z [DOI:10.1109/EEEIC.2011.5874665 ] [ENY-ARTICLE-2013-360]
Wind power generation systems influence power quality in a very specific manner creating the requirements for detailed and correct analysis of disturbances caused by wind generators. [...]
http://zet10.ipee.pwr.wroc.pl/record/451/files/
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2009-10-27
17:37
Time-varying signal parameters for assessment of disturbances in wind energy systems / Lobos, T ; Schegner, P ; Sikorski, T [ENY-ARTICLE-2009-270]
This paper proposes some extended method for assessment of transient disturbances in wind energy systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/338/files/
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2009-10-27
10:23
Power Quality in Wind Power Systems / Leonowicz, Z [ENY-ARTICLE-2009-268]
Wind power generation systems influence power quality in a specific way making important the need for detailed and accurate evaluation of disturbances caused by wind generators. [...]
http://zet10.ipee.pwr.wroc.pl/record/336/files/
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2009-10-27
09:40
Adaptation of SVD and Prony method for precise computation of current components in networks with wind generation. / Janik, P ; Rezmer, J ; Ruczewski, P ; Waclawek, Z ; et al [I07/2009/I-037] [ENY-ARTICLE-2009-266]
Precise computation of current components is a key prerequisite for reliable assessment of power quality. [...]
http://zet10.ipee.pwr.wroc.pl/record/334/files/
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2009-01-31
18:27
Spectrum estimation methods for signal analysis in the supply system of DC arc furnace / Leonowicz, Z ; Lobos, T ; Rezmer, J [RZ I07/2005/I-023] [ENY-ARTICLE-2009-242]
In this paper, Prony and root-MUSIC methods are applied for analysis of waveforms from the DC arc furnace supply. [...]
http://zet10.ipee.pwr.wroc.pl/record/303/files/
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2009-01-31
17:19
Performance of parametric spectrum estimation methods / Leonowicz, Z [RK I07/2006/I-019] [ENY-ARTICLE-2009-240]
W pracy przedstawiono porównanie dokładności wyznaczania częstotliwości i amplitudy składowych sygnałów harmonicznych odkształconych przy pomocy parametrycznych metod estymacji widma: MUSIC i ESPRIT. [...]
http://zet10.ipee.pwr.wroc.pl/record/301/files/
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2008-10-17
10:56
Review of Spectrum Estimation Methods / Sikorski, T [ENY-TEACHING-2008-024]
State of the art: · the most popular spectrum estimation method is well known Fourier algorithm. [...]
http://zet10.ipee.pwr.wroc.pl/record/245/files/
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2008-10-10
21:18
Analysis of traction system time-varying signals using ESPRIT subspace spectrum estimation method / Leonowicz, Z ; Lobos, T [I07/2006/I-090] [ENY-ARTICLE-2008-190]
Auxiliary static converters in transportation power systems generate not only characteristic harmonics but also non characteristic harmonics and interharmonics. [...]
http://zet10.ipee.pwr.wroc.pl/record/241/files/
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2008-09-28
07:45
Power quality evaluation using advanced spectrum estimation methods / Leonowicz, Z ; Lobos, T [I07/2006/I-082] [ENY-ARTICLE-2008-174]
The authors show that the use of high-resolution spectrum estimation methods instead of Fourier-based techniques can improve the accuracy of measurement of spectral parameters of distorted waveforms encountered in power systems, in particular the estimation of the power quality indices (such as inter/harmonic groups and subgroups) . [...]
http://zet10.ipee.pwr.wroc.pl/record/223/files/
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2008-09-27
16:11
New power quality indices / Leonowicz, Z ; [RZ I07/2007/I-024] [ENY-ARTICLE-2008-171]
The author shows that the use of high-resolution spectrum estimation methods instead of Fourier-based techniques can improve the accuracy of measurement of spectral parameters of distorted waveforms encountered in power systems, in particular the estimation of the power quality indices (such as inter/harmonic groups and subgroups). [...]
http://zet10.ipee.pwr.wroc.pl/record/220/files/
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2008-09-09
19:28
Advanced Signal Processing Methods for Evaluation of Harmonic Distortion Caused by DFIG Wind Generator / Janik, P ; Leonowicz, Z ; Rezmer, J ; Schostan, S ; et al [ENY-ARTICLE-2008-154]
Intensified growth of wind power generation emphasizes the need for detailed evaluation of disturbances caused by wind generators. [...]
http://zet10.ipee.pwr.wroc.pl/record/201/files/
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2008-04-05
11:05
Measurement of IEC Groups and Subgroups Using Advanced Spectrum Estimation Methods / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [ENY-ARTICLE-2008-117]
The International Electrotechnical Commission (IEC) standards characterize the waveform distortions in power systems with the amplitudes of harmonic and interharmonic groups and subgroups. [...]
http://zet10.ipee.pwr.wroc.pl/record/152/files/
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2008-03-22
18:39
Application of higher-order spectra for signal processing in electrical power engineering / Leonowicz, Z ; Lobos, T ; Ruczewski, P ; Szymanda, J [I07/1997/I-317] [ENY-ARTICLE-2008-108]
During recent years higher order statistics (HOS) have found a wide applicability in many diverse fields, e. [...]
http://zet10.ipee.pwr.wroc.pl/record/137/files/
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2008-03-16
21:08
Analysis of distorted waveforms using parametric spectrum estimation methods and robust averaging / Leonowicz, Z [ENY-ARTICLE-2008-074]
After the description of parametric methods (ESPRIT and MUSIC) and selected robust location measures (robust averaging methods), the comparison of the frequency and amplitude estimation error, based on numerical simulation is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/89/files/
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2008-03-16
20:48
Time-Frequency Analysis of Distorted Electric Signals using a Complex Space-Phasor / Leonowicz, Z [ENY-PREPRINT-2008-004]
We consider applying non-parametric and parametric methods for calculation of time-frequency representation of non-stationary electric waveforms. [...]
http://zet10.ipee.pwr.wroc.pl/record/87/files/
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2008-03-16
20:43
Classification of Electric Signals Based on Time-Frequency Signal Decomposition / Leonowicz, Z [ENY-PREPRINT-2008-003]
A classification procedure based on time-frequency decomposition of the signal is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/86/files/
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2008-03-13
19:58
RBF and SVM Neural Networks for Power Quality Disturbances Analysis / Janik, P ; Lobos, T ; Schegner, P [ENY-ARTICLE-2008-053]
This paper presents classification results of different power quality disturbances. [...]
http://zet10.ipee.pwr.wroc.pl/record/62/files/
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2008-03-11
23:34
Time-Frequency Analysis of Complex Space-Phasor in Power Electronics / Leonowicz, Z ; Lobos, T ; Sikorski, T [doi:10.1109/TIM.2007.908250] [ENY-ARTICLE-2008-043]
This paper considers applying nonparametric and parametric methods for the calculation of the time–frequency representation of nonstationary signals in power electronics. [...]
http://zet10.ipee.pwr.wroc.pl/record/52/files/
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2008-03-08
10:54
Parametric Spectral Estimation for Power Quality Assessment / Leonowicz, Z ; Lobos, T [1-4244-0813-X/07/$20.00 2007 IEEE] [ENY-ARTICLE-2008-025]
The authors show that the use of highresolution spectrum estimation methods instead of Fourier-based techniques can improve the accuracy of measurement of spectral parameters of distorted waveforms encountered in power systems, in particular the estimation of the power quality indices (such as harmonic and interharmonic groups and subgroups). [...]
http://zet10.ipee.pwr.wroc.pl/record/32/files/
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2008-03-07
22:38
Analiza sygnałów okresowych metodami statystyk wyższych rzędów / Leonowicz, Z [ENY-THESIS-2008-004]
Celem pracy jest zbadanie przydatności zastosowania statystyk czwartego rzędu (kumulantów) do estymacji widma wybranych sygnałów spotykanych w elektrotechnice. [...]
http://zet10.ipee.pwr.wroc.pl/record/26/files/
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