DMC at XXth International Systems Degradation Conference

On April 3-5, DMC members had the pleasure of being part of the XXth International Technical Systems Degradation Conference, which took place in the Liptovský Mikuláš in Slovenia.

During the poster session that started on the second day of the conference, Przemysław Dąbek and Adam Wróblewski presented current developments in research connected to the ECHO project, mainly focused on the creation of the breaking hammer dynamic model and its measurements obtained during the visit to Lekatech in Finland. At the same time, Hamid Shiri and Radosław Zimroz presented a work titled “Modelling and analysis of long-term historical data of time-varying complex systems in the presence of impulsive noise for condition monitoring”, being a continuation of the previous works on diagnostics of non-Gaussian signals.

DMC at 50th Ogólnopolskie Sympozjum DIAGNOSTYKA MASZYN

Due to the amazing 50th anniversary, it was a truly remarkable edition of Machine Diagnostics Symposium (Ogólnopolskie Sympozjum DIAGNOSTYKA MASZYN) and the members of DMC were especially excited to attend. As always, topics presented by our team were related to data processing and analysis for machine diagnostics, specifically:

  • Radoslaw Zimroz, Agnieszka Wyłomańska, Tomasz Barszcz: About non-Gaussianity of data in local damage detection and prognosis 
  • Hamid Shiri, Agnieszka Wyłomańska, Radoslaw Zimroz: Modelling and analysis of long-term historical data of time-varying complex systems in the presence of impulsive noise for condition monitoring
  • Mohammad Siami, Tomasz Barszcz, Radosław Zimroz: Heterogeneous Information Fusion Approach for Monitoring Bearings in Harsh Environments Using an Inspection Mobile Robot
  • Jacek Wodecki, Radosław Zimroz: Two-dimensional filtration of time-frequency map based on Jarque-Bera statistic for rolling bearing fault detection in time-varying conditions
  • Anna Michalak, Justyna Hebda-Sobkowicz, Radoslaw Zimroz, Agnieszka Wyłomańska: Non-negative tensor factorization of measures of dependence map for local damage detection using vibrations
  • Daniel Kuzio, Wojciech Żuławiński, Radoslaw Zimroz, Agnieszka Wyłomańska: Design of new health indicators by statistical measures applied to cyclic spectral coherence map

DMC at ECMI

On June 30th DMC members had the pleasure to be part of 22nd ECMI Conference on Industrial and Applied Mathematics in Wrocław organized by our friends from the Faculty of Pure and Applied Mathematics. Mateusz Gabor and Jacek Wodecki presented the results of their research during the Minisymposium on non-Gaussian time series analysis for local damage detection. In particular, Mateusz had the opportunity to refer his latest research conducted within NonGaussMech project.

AMICOS is almost ready!

One of the final meetings of the AMICOS team

In recent days AMICOS team held one of their final meetings. We clarified the details before conducting the final demonstration of the AMICOS platform. The joint effort allowed us to develop an inspection platform to run use cases such as monitoring of the deformation of tailing dams, the thickness of pipes in large-scale pipe networks or the technical condition of underground infrastructures, such as belt conveyors. We are excited to finally be able to present the results of our work, which will happen in the upcoming weeks.

AMICOS team is getting ready to rock!

Yesterday the team of AMICOS project held a very interesting and fruitful meeting. Since the last year of the project has started, we are getting ready to show the world what we are capable of. Around the middle of this year we will perform final demonstrations of our system regarding three separate use cases. Stay tuned, more announcements will appear soon, and it will be exciting!

AMICOS team discussing the last details for the finalization of the platform.

Hand-held visual SLAM for AMICOS

We are extremely proud of our friends from Fondazione Bruno Kessler for deveolping such an amazing technology of handheld SLAM (simultaneous localization and mapping) device based on stereo vision. Look at these examplary results.

A view of the produced 3D dense point cloud.
Continue reading “Hand-held visual SLAM for AMICOS”

New research published

As always we are very happy to announce that members of DMC have published another research paper. This time it is related to dynamic modeling of vibrating sieving screen used in the mining industry. The paper has been published in the special issue of Shock and Vibration journal entitled “Advances in Fault Diagnosis and Defect Detection in Mechanical and Civil Engineering”. The work presented in this paper has been funded by OPMO project. Full citation can be found on the research page.

Krot, Pavlo; Zimroz, Radoslaw; Michalak, Anna; Wodecki, Jacek; Ogonowski, Szymon; Drozda, Michal; Jach, Marek

Development and Verification of the Diagnostic Model of the Sieving Screen Journal Article

In: Shock and Vibration, vol. 2020, pp. 1–14, 2020.

Links

Two new articles published in MSSP

We are happy to announce that members of DMC recently published two articles in Mechanical Systems and Signal Processing journal. Both of them present newly developed vibration signal processing techniques mainly aimed for machine diagnostics purposes (see references below). The work presented in those papers has been funded by MAMMA and OPMO projects. Full citations can be found on the research page.

Wodecki, Jacek; Michalak, Anna; Zimroz, Radoslaw; Wylomanska, Agnieszka

Separation of multiple local-damage-related components from vibration data using Nonnegative Matrix Factorization and multichannel data fusion Journal Article

In: Mechanical Systems and Signal Processing, vol. 145, pp. 106954, 2020.

Links

Hebda-Sobkowicz, Justyna; Zimroz, Radoslaw; Pitera, Marcin; Wylomanska, Agnieszka

Informative frequency band selection in the presence of non-Gaussian noise - a novel approach based on the conditional variance statistic with application to bearing fault diagnosis Journal Article

In: Mechanical Systems and Signal Processing, vol. 145, pp. 106971, 2020.

Links