Application of the dispersion entropy with sliding window for the analysis of mechanical systems
1
AGH University of Krakow. Poland
2
Institute of Fluid Flow Machinery, Polish Academy of Sciences. Gdańsk, Poland
Submission date: 2024-05-16
Final revision date: 2024-09-24
Acceptance date: 2024-10-31
Online publication date: 2024-11-12
Publication date: 2024-11-12
Diagnostyka 2024;25(4):2024415
KEYWORDS
TOPICS
ABSTRACT
This paper presents the possibility of using dispersion entropy with a sliding window to assess the stability of machine operation. Attention was focused on the feasibility of using a sliding window and the assessment of the minimum length of the window that produces stable results. The answer to this question is open to all and depends on the complexity of the physics of the phenomenon. Research was carried out first for simple mechanical systems, then for nonlinear systems, and then, in the final part of the research, attention was paid to the real signals describing the displacement of the pan in the bearing. These studies are important in determining the minimum window length to conclude the diagnosis of mechanical systems; the narrower the window, not only reduces the need for computing power, but above all allows a faster response
FUNDING
This research received no external funding.
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| eISSN: | 2449-5220 |
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