Article

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Title

Features of dynamic load analysis of spacecraft rotational drive mechanisms

Authors

¹A.S. Titova, ¹A.S. Sablin, ¹M.A. Zagainov, ²S.A. Kuznetsov

Organizations

¹Baltic State Technical University «VOENMEH» named after D.F. Ustinov
Saint Petersburg, Russian Federation
²JSC «Academician M.F. Reshetnev» Information Satellite Systems»
Zheleznogorsk, Krasnoyarsk region, Russian Federation

Abstract

An executive precision universal mechatronic module is considered, which allows performing precision rotational motion of the output kinematic link. The universal mechatronic module is designed to create the kinematics of mechatronic guidance systems and positioning of objects of aerospace technology. The key features of the executive precision universal mechatronic module are high positioning accuracy, low weight and overall dimensions. The aim of the work is to create a finite element model and analyze dynamic loads to assess the resistance of the structure to external vibration loads. The first section describes the creation of a finite element model taking into account the radial and axial stiffness of the supporting structural elements. The second section describes performing static analysis to create a preloaded state, and performing dynamic analysis. The influence of sinusoidal and random vibrations is investigated, the natural frequencies of the universal mechatronic module design are determined.

Keywords

gearbox, drive, spacecraft, finite element method, vibration

References

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For citing this article

Titova A.S., Sablin A.S., Zagainov M.A., Kuznetsov S.A. Features of dynamic load analysis of spacecraft rotational drive mechanisms // Spacecrafts & Technologies, 2023, vol. 7, no. 3, pp. 186-192. doi: 10.26732/j.st.2023.3.02

This Article is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).