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Modal analysis of a spacecraft solar panel
- Authors: Kryuchkov A.N.1, Safin A.I.1, Ermilov M.A.1, Vidyaskina A.N.1, Igolkin A.A.1, Ye. V. Shakhmatov Y.V.1
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Affiliations:
- Samara National Research University
- Issue: Vol 22, No 3 (2023)
- Pages: 36-46
- Section: AIRCRAFT AND SPACE ROCKET ENGINEERING
- URL: https://journals.ssau.ru/vestnik/article/view/26887
- DOI: https://doi.org/10.18287/2541-7533-2023-22-3-36-46
- ID: 26887
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Abstract
The importance of analyzing free modes of mechanical oscillations of spacecraft outboard elements is due to the problem of losing their controllability because of failures in the operation of airborne guidance and navigation systems. The subject of the study is the spacecraft solar panel that represents a frame with modules with photocells attached to it. The object of the study is mechanical oscillations of such a panel as a multi-mass compliance structure. The article presents a modal analysis carried out to determine the natural frequencies and forms of vibrations of the spacecraft solar panel. A finite element model of the panel was developed. In the paper, a modal calculation was carried out on the basis of the model. A test facility was developed to carry out full-scale tests. According to the experimental studies, the model was refined, which made it possible to obtain a discrepancy in the results of no more than 2.5 Hz.
About the authors
A. N. Kryuchkov
Samara National Research University
Author for correspondence.
Email: kryuchkov.an@ssau.ru
Doctor of Science (Engineering), Professor of the Department of Power Plant Automatic Systems
Russian FederationA. I. Safin
Samara National Research University
Email: safin.ai@ssau.ru
Candidate of Science (Engineering), Associate Professor of the Department
of Power Plant Automatic Systems
M. A. Ermilov
Samara National Research University
Email: ema@ssau.ru
Candidate of Science (Engineering), Associate Professor of the Department
of Power Plant Automatic Systems
A. N. Vidyaskina
Samara National Research University
Email: 2022-06193@students.ssau.ru
Postgraduate Student of the Department of Power Plant Automatic Systems
Russian FederationA. A. Igolkin
Samara National Research University
Email: igolkin97@gmail.com
Doctor of Science (Engineering), Professor of the Department of Power Plant Automatic Systems
Russian FederationYe. V. Ye. V. Shakhmatov
Samara National Research University
Email: shakhm@ssau.ru
Academician of the Russian Academy of Sciences, Head of the Department
of Power Plant Automatic Systems
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