Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 9 rekordów  Szukanie trwało 0.03 sekund. 
1. Analysis of non-stationary electric signals using the S-transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [ENY-ARTICLE-2009-253]
Purpose – The purpose of this paper is to compare the accuracy of tracking the amplitude and frequency changes of non-stationary electric signals. [...]
http://zet10.ipee.pwr.wroc.pl/record/314/files/
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2. New Criteria of Voltage Stability Margin for the Purpose of Load Shedding / Wiszniewski, A [ENY-ARTICLE-2008-201]
Voltage instability is a phenomenon which often contributes to the development of power system disturbances. [...]
http://zet10.ipee.pwr.wroc.pl/record/255/files/
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3. Analysis of nonstationary electric signals using the S-transform. Zastosowanie transformaty S do analizy sygnałów niestacjonarnych w elektrotechnice / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2005/I-018] [ENY-ARTICLE-2008-110]
Contemporary power systems, which contain a considerable number of non-linear loads, require advanced methods of spectral analysis for their investigation and control. [...]
http://zet10.ipee.pwr.wroc.pl/record/139/files/
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4. 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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5. Neural networks for real-time estimation of parameters of signals in power systems / Cichocki, A ; Kostyla, P ; Lobos, T ; Waclawek, Z [I07/1994/I-184] [ENY-ARTICLE-2008-087]
Fast determination of parameters of the fundamental waveform of voltages and currents is essential for the control and protection of electrical power systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/105/files/
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6. Neural networks for real-time estimation of parameters of signals in power systems / Cichocki, A ; Kostyla, P ; Lobos, T ; Waclawek, Z [I07/1999/I-402] [ENY-ARTICLE-2008-068]
The purpose of this paper is to present new algorithms and along with them new architectures of analogue neuron-like adaptive processors for online estimation of parameters of sinusoidal signals, which are distorted by higher harmonics and corrupted by noise. [...]
http://zet10.ipee.pwr.wroc.pl/record/77/files/
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7. Spectrum estimation of non- stationary signals in power systems / Leonowicz, Z ; Lobos, T ; Rezmer, J [ENY-ARTICLE-2008-038]
Time-varying spectra of non-stationary time-series commonly used are spectrograms from the Short-Time Fourier Transform (STFT). [...]
http://zet10.ipee.pwr.wroc.pl/record/46/files/
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8. Time-frequency analysis of non-stationary three phase signals / Leonowicz, Z ; Lobos, T [ENY-ARTICLE-2008-028]
New method of observation and diagnosis of inverter-fed induction motor drives is developed and tested. [...]
http://zet10.ipee.pwr.wroc.pl/record/35/files/
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9. Parametric methods for time-frequency analysis of electric signals / Leonowicz, Z [ISSN 0324-945x] [ENY-BOOK-2008-001]
The author presents a new approach to spectral analysis of electric signals and related problems encountered in power systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/11/files/
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