Slashchov I., Bielikov A., Dihtiar K., Yalanskyi O., Kharchenko V., Ikonnikov M. Development and testing of digital filter models for automation of a structure vibroacoustic monitoring and its safety assessment
- Details
- Parent Category: Geo-Technical Mechanics, 2025
- Category: Geo-Technical Mechanics, 2025, Issue 175
Geotech. meh. 2025, 175, 113-121
https://doi.org/10.15407/geotm2025.175.113
DEVELOPMENT AND TESTING OF DIGITAL FILTER MODELS FOR AUTOMATION OF A STRUCTURE VIBROACOUSTIC MONITORING AND ITS SAFETY ASSESSMENT
1M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine
2Ukrainian State University of Science and Technologies
3Dnipro University of Technology
UDC 622.834.5: 69.059.22
Language: English
Abstract. The article is devoted to the improvement of data processing and analysis methods in automated vibroacoustic diagnostic systems for structures. The aim of the study is to develop and test digital data processing models for automating vibroacoustic damage diagnostics and safety assessment of structures. Methods: analysis of scientific sources on vibroacoustic data processing; laboratory studies of signal filtering; modeling of digital filters; software-based data processing methods. The analysis showed that methods and algorithms for automatic processing of vibroacoustic signals are still underdeveloped, particularly those capable of effectively interpreting resonance characteristics under conditions of noise and complex geometry of inspected objects. Structures and Mathcad models of low- and high-pass digital filters of the second, third, and fourth degrees were developed. The response of the proposed models to typical inputs—step, sinusoidal, triangular, and “sawtooth” signals—was determined. The functionality of the developed models was confirmed, including the behavior of transient processes and the phase shift depending on the filter degree. It was established that the application of the proposed digital filter models ensures: suppression of noise generated by acoustic wave reflections from randomly distributed crack systems; extraction of the useful frequency range; smoothing of signals for identifying dominant and most hazardous cracks. The novelty of applying the developed models with filters of various degrees for vibroacoustic damage detection and safety assessment of structures lies in the fact that the filter degree can automatically adapt to a specific task or change dynamically. During data processing, filters of different degrees are combined to eliminate non-informative noise without introducing significant distortions into the instrumental control data of the object. The developed models can be applied in practical research for processing vibroacoustic diagnostic signals of structure damage and its safety assessment using computers in automated systems and digital instruments for real-time monitoring.
Keywords: structure safety, vibroacoustic control, automation, data processing, digital filters.
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About the authors
Slashchov Ihor, Doctor of Technical Sciences (D. Sc), Senior Researcher, Senior Researcher in Department of Mineral Mining at Great Depths, M.S. Poliakov Institute of Geotechnical Mechanics of the National Academy of Sciences of Ukraine (IGTM of the NAS of Ukraine), Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. , ORCID 0000-0002-2432-9092
Bielikov Anatolii, Doctor of Technical Sciences (Dr. habil. Tech.), Professor, Head of Civil and Technogenic Safety Department, ESI “Prydniprovska State Academy of Civil Engineering and Architecture” of Ukrainian State University of Science and Technologies, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. , ORCID 0000-0001-5822-9682
Dihtiar Kyrylo, Master's degree, Postgraduate Studen in Department of Organisation and Management in Construction, ESI “Prydniprovska State Academy of Civil Engineering and Architecture” of Ukrainian State University of Science and Technologies, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. , ORCID 0009-0009-5568-1249
Yalanskyy Oleksiy, Candidate of Technical Sciences (Ph.D), Associate Professor at the Department of Electric Drives, Dnipro University of Technology, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. , ORCID 0000-0002-8761-275X
Kharchenko Vitaliy, Master's degree, Postgraduate Student, ESI “Prydniprovska State Academy of Civil Engineering and Architecture” of Ukrainian State University of Science and Technologies, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. , ORCID 0009-0001-0724-7503
Ikonnikov Maksym, Candidate of Technical Sciences (Ph.D), Associate Professor at the Department of Labor Safety and Civil Security, Dnipro University of Technology, Dnipro, Ukraine, This email address is being protected from spambots. You need JavaScript enabled to view it. (Corresponding author), ORCID 0000-0003-2977-2007