Zobrazeno 1 - 10
of 3 957
pro vyhledávání: '"Frequency response analysis"'
Autor:
Yuta KONNO, Takahiro TOMIOKA
Publikováno v:
Mechanical Engineering Journal, Vol 11, Iss 5, Pp 24-00222-24-00222 (2024)
Periodic structures are known to have specific frequency ranges called band gaps, where the transmission of elastic waves is suppressed. Research on band gap formation in mechanical structures has recently gained considerable attention, and there is
Externí odkaz:
https://doaj.org/article/b68a8b8555b14f128148be6cb8579339
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 936, Pp 24-00023-24-00023 (2024)
Vibration reduction strategies based on wave propagation phenomena, such as generating band gaps in periodic structures, are attracting attention in the field of mechanical engineering. This paper investigates how the structural and material composit
Externí odkaz:
https://doaj.org/article/adb6668bf15b42f7836d5daacc0ef962
Publikováno v:
IEEE Access, Vol 12, Pp 50287-50299 (2024)
Power transformers are the vital and expensive components of the power system. Timely identifying and diagnosing the transformer faults is critical to maintaining the stability of the power grid. As a sensitive and economical tool, the frequency resp
Externí odkaz:
https://doaj.org/article/3b948bc9014741c8a19fc21eb3eb54e0
Akademický článek
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Akademický článek
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Publikováno v:
Energies, Vol 17, Iss 13, p 3274 (2024)
The aim of the article is to present the method of modeling the frequency response of the transformer windings with axial displacements. Frequency response analysis (often referred to as FRA or SFRA) is a powerful and sensitive method for testing the
Externí odkaz:
https://doaj.org/article/e58781a403bb4a79b7452334aadee2d2
Publikováno v:
Applied Sciences, Vol 14, Iss 11, p 4732 (2024)
A finite element model of a 100 m X-BOW polar exploration cruise ship has been developed. The ship’s frequency response analysis was conducted, with the simulated results closely matching the test data. The maximum discrepancy was 22%, equating to
Externí odkaz:
https://doaj.org/article/5c72f405ce894e42b57255bb55728aab
Publikováno v:
Mìkrosistemi, Elektronìka ta Akustika, Vol 28, Iss 3 (2023)
This paper introduces an advanced mathematical model for generating and analyzing cloud cover images, specifically designed to enhance photovoltaic (PV) partial shading studies. The model development involved a detailed analysis of real cloud cover i
Externí odkaz:
https://doaj.org/article/940d317b0659413eacc55a2542c358c9
Autor:
R. Behkam, A. Moradzadeh, H. Karimi, M.S. Nadery, B. Mohammadi ivatloo, G.B. Gharehpetian, S. Tenbohlen
Publikováno v:
Journal of Operation and Automation in Power Engineering, Vol 11, Iss 1, Pp 11-21 (2023)
The Frequency Response Analysis (FRA) technique has advantages in identifying faults related to power transformers, but it suffers from the interpretation of frequency responses. This paper presents an approach based on statistical indices and Artifi
Externí odkaz:
https://doaj.org/article/f1a847b081bd4753ba557678be4a740b
Publikováno v:
Energies, Vol 17, Iss 6, p 1431 (2024)
The paper describes the application of the numerical tool quality index for an objective evaluation of complementary frequency response analysis (FRA) and vibroacoustic method (VM) test methods. These diagnostic methods are used in the industrial pra
Externí odkaz:
https://doaj.org/article/cdc183751d75475abacd3e785e1554aa