Design, realization and testing of an azimuth-stabilized modular stratospheric platform

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Design, realization and testing of an azimuth-stabilized modular stratospheric platform

Irene Marsili

Abstract. In recent years, increasing investments from space industry are directed towards single or constellations of small satellites orbiting in LEO, which have significantly low cost with respect to other types of space missions, but require many years of development and large sums on an absolute scale. The development of new facilities that can cut costs during this phase is therefore of primary interest. One of the main cost items is the development and testing of space hardware, which shall be exposed to high-vacuum and high-level-radiation environment, that is both extremely difficult and expensive to recreate in laboratory. The cheapest option is the use of near-space platforms lifted by small-scale sounding balloons; however, they are not commonly employed because state-of-the-art gondolas for such balloons do not offer a stabilized frame. The work presented in this paper shows a successful attempt at designing and realizing a low-cost yaw-stabilized stratospheric platform, able of self-orienting at set azimuth direction. Active attitude stabilization was achieved via the use of a single reaction wheel placed along the main vertical axis of the platform, controlled by a PI software, and was accompanied by passive attitude stabilization techniques. Tests prove that a stabilized position can be achieved within ±5° of the selected pointing direction, which is preset or directly inputted by the user during platform operations. In this paper, a first application of the platform to host a payload of four solar cells is presented, but particular emphasis was given to modular design, so that the integration of a different payload would require the minimum amount of re-design.

Keywords
Attitude Control, Azimuth, High Altitude Platform, Reaction Wheel, Sounding Balloon, Stratosphere

Published online 6/1/2024, 4 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Irene Marsili, Design, realization and testing of an azimuth-stabilized modular stratospheric platform, Materials Research Proceedings, Vol. 42, pp 10-13, 2024

DOI: https://doi.org/10.21741/9781644903193-3

The article was published as article 3 of the book Aerospace Science and Engineering

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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