QO-CARDSAT MICROSATELLITE CALCULATION METHODOLOGY OF THE POSITION OF THE JOINTS AND REQUIRED TORQUE TO OPEN THE PANELS

Microsatellites are the subject of many research projects addressed today in universities. The most successful microsatellites known are the CubeSats. An objective of this paper is to establish an optimal configuration of the structure of a microsatellite composed of several panels named Cardsat. A...

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Bibliographic Details
Published in:Proceedings in Manufacturing Systems 2022-01, Vol.17 (2), p.69-77
Main Authors: Anania, Dorel Florea, Bălan, Emilia, Zapciu, Miron, Stoica, Marilena, Pena, Andra Elena
Format: Article
Language:English
Subjects:
Actuation
Composite materials
Configurations
Cubesat
Design
Flexible structures
Kinematics
Mathematical analysis
Microsatellites
Panels
Radiation
Research projects
Satellites
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Summary:Microsatellites are the subject of many research projects addressed today in universities. The most successful microsatellites known are the CubeSats. An objective of this paper is to establish an optimal configuration of the structure of a microsatellite composed of several panels named Cardsat. A Cardsat is a thin panel-shaped satellite with low volume and weight. It is designed to perform the same functions as the CubeSat, but with a much smaller volume (up to 11 times smaller). In order to launch, the panels are folded and assembled by means of joints. They form a package. This paper presents a method for load calculation of a flexible structure QO-Cardsat used in microsatellite architecture for deploying into predefined configuration. The results presented in this article are the preliminary calculations necessary for the design of the actuation elements of the Cardsat type panels in a combined construction so that it is possible to open in the final configuration starting from the folded form required for the launch. The steps required for the technical design of the proposed panel configurations are: kinematic calculation to identify the position of the panels and their centers of mass for given angles, calculation of the resistant moments required to be overcome by the actuating elements of the spring type, calculation of springs (torsion/lamination). The calculation of the joint positions is carried out with the help of rotation matrices.
ISSN:2067-9238
2343-7472