Month: March 2023

The Sixteenth Workshop on Nonstationary Systems and Their Applications February 5 – 8, 2023, Gródek nad Dunajcem, Poland

Researchers from WUST and DMC appeared at the sixteenth Gródek workshop on Nonstationary Systems and their Applications to show some very useful applications of mathematics to be implemented in mining-related problems.

Among other magnificent researchers from all around the world, our colleagues have presented their research effects and interesting ideas:

  • Agnieszka Wyłomańska, Wrocław University of Science and Technology, Poland
    “The importance of the background noise properties for the vibration-based local damage detection”
  • Wojciech Żuławiński, Wrocław University of Science and Technology, Poland
    “Detection of cyclostationarity by robust statistics for signal disturbed by non-Gaussian noise”
  • Katarzyna Skowronek, Wrocław University of Science and Technology, Poland
    “Assessment of background noise properties in time and time-frequency domains in the context of vibration-based local damage detection in real environment”

Poster special session New methods of processing non-stationary signals with non- Gaussian characteristics for the purpose of monitoring complex mechanical structures

  • Anita Drewnicka, Wrocław University of Science and Technology, Poland
    “The approach of damage detection in the presence of non-Gaussian noise with analysis of probability distributions applied to the time-frequency maps of the vibration signal”
  • Mateusz Gabor, Wrocław University of Science and Technology, Poland
    “Nonnegative matrix factorization with beta-divergence based cost functions”
  • Justyna Hebda-Sobkowicz, Wrocław University of Science and Technology, Poland
    “Informative frequency band selection in presence of non-Gaussian (impulsive) noise – adaptation of cross-dependence measures, alternative to classical ones”
  • Daniel Kuzio, Wrocław University of Science and Technology, Poland
    “Identification of fault frequency variation in envelope spectrum in vibration-based local damage detection in changing load/speed condition”
  • Anna Michalak, Wrocław University of Science and Technology, Poland
    “Influence of alpha-stable noise on the effectiveness of Nonnegative Matrix Factorization –Simulations and real data analysis”
  • Hamid Shiri, Paweł Zimroz, Wrocław University of Science and Technology,Poland
    “Robust statistic model for long-term condition monitoring data under non-stationary operating conditions in the presence of noise with non-Gaussian characteristics”
  • Jacek Wodecki, Wrocław University of Science and Technology, Poland
    “Cyclostationary vibration data analysis in real-life machine diagnostics – a case study of bearing failure in calcium carbonate production plant”