531.133.3
Doi: 10.31772/2712-8970-2021-22-1-106-120
Methodology for calculating the de-weighting system of large-sized transformable elements of space vehicles for ground tests
Belyaev A. S., Filipas A. A., Tsavnin A. V., Tyryshkin A. V.
National Research Tomsk Polytechnic University;
30, Lenin Avenue, Tomsk, 634050, Russian Federation
This paper considers the methodology for calculating the de-weighting system of spacecraft elements for ground tests, taking into account the deployment options, de-weighting conditions, types and options of de-weighting systems. An example of calculation for a 3-section solar battery without a beam with incomplete de-weighting and with minimization of moments in the hinges is given. Genetic algorithms are used as an algorithm for determining the parameters of the de-weighting system, which allows obtaining the minimum moments in the hinges. The moments and forces acting in the system were checked by plotting diagrams in the expanded state. In addition, a check for compliance with the specified distance, based on design constraints, between the points of application of the weighting forces was made.
Keywords: de-weighting, spacecraft, testing in ground conditions, automatic control systems, parametric un-certainty.
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