Interpolated-DFT-based fast and accurate frequency estimation for the control of power

J Borkowski, D Kania, J Mroczka - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The energy produced by renewable energy systems must fulfill quality requirements as
defined in the respective standards and directives. Improvement of the quality could be …

Frequency estimation in interpolated discrete fourier transform with generalized maximum sidelobe decay windows for the control of power

J Borkowski, J Mroczka, A Matusiak… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The study presented in this article demonstrates that the sin p time window family is an
extension of class I Rife-Vincent windows to a more general class, ie, generalized maximum …

[PDF][PDF] Variable-frequency Prony method in the analysis of electrical power quality

J Zygarlicki, J Mroczka - Metrology and Measurement Systems, 2012 - bibliotekanauki.pl
The article presents a new modification of the the least squares Prony method. The so-called
variable-frequency Prony method can be a useful tool for estimating parameters of …

Korean sign language recognition using EMG and IMU sensors based on group-dependent NN models

S Shin, Y Baek, J Lee, Y Eun… - 2017 IEEE Symposium …, 2017 - ieeexplore.ieee.org
Automatic sign language recognition systems can help many hearing and speech-impaired
people communicate with the public. To recognize sign language, the system should first …

Frequency estimation of the weighted real tones or resolved multiple tones by iterative interpolation DFT algorithm

J Luo, Z Xie, M Xie - Digital signal processing, 2015 - Elsevier
Accurate frequency estimation of sinusoidal signal is commonly required in a large number
of engineering practice scenarios. In this paper, an iterative frequency estimation algorithm …

[PDF][PDF] Influence of A/D quantization in an interpolated DFT based system of power control with a small delay

J Borkowski, D Kania, J Mroczka - Metrology and Measurement …, 2014 - bibliotekanauki.pl
Fast and accurate grid signal frequency estimation is a very important issue in the control of
renewable energy systems. Important factors that influence the estimation accuracy include …

A new tailored solution to predict blow efficiency and energy consumption of hammer-forging machines

JF Mull, C Durand, C Baudouin, R Bigot - The International Journal of …, 2020 - Springer
Energy saving has become a real issue in process management and has led to the analysis
of the energy consumption of forging machines, for the purpose of optimization. This study …

Phase difference methods based on asymmetric windows

J Luo, M Xie - Mechanical Systems and Signal Processing, 2015 - Elsevier
A new phase difference correction method, based on asymmetric windows, is proposed to
correct the errors of frequency, phase, and amplitude in discrete spectra. Classic windows …

An alternative method to zero-padded DFT

C Donciu, M Temneanu - Measurement, 2015 - Elsevier
Zero-padding method is usually used to increase the number of points in the DFT and
consequently to improve the DFT's approximation of the DTFT. This way the picket fence …

Improved frequency estimation algorithm based on the compensation of the unbalance effect in power systems

YH Kim, KJ Son, SH Kang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article proposes a frequency estimation algorithm that effectively cancels the effect of
unbalance in a three-phase power system. Precise frequency estimation under unbalance …