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Drag balance Cubesat attitude motion effects on in-situ thermosphere density measurements
Università di Roma la Sapienza, Dipartimento di Ingegneria Astronautica Elettrica Ed Energetica (DIAEE).ORCID iD: 0000-0001-6830-4308
Università di Roma la Sapienza, Dipartimento di Ingegneria Astronautica Elettrica Ed Energetica (DIAEE), Università di Roma la Sapienza, Dipartimento di Ingegneria Astronautica Elettrica Ed Energetica (DIAEE).
2014 (English)In: Advances in Space Research, ISSN 0273-1177, E-ISSN 1879-1948, Vol. 54, no 3, p. 489-498Article in journal (Refereed) Published
Abstract [en]

The dynamics of Cubesats carrying a drag balance instrument (DBI) for in situ atmosphere density measurements is analyzed. Atmospheric drag force is measured by the displacement of two light plates exposed to the incoming particle flow. This system is well suited for a distributed sensor network in orbit, to get simultaneous in situ local (non orbit averaged) measurements in multiple positions and orbit heights, contributing to the development and validation of global atmosphere models. The implementation of the DBI leads to orbit normal pointing spinning two body system. The use of a spin-magnetic attitude control system is suggested, based only on magnetometer readings, contributing to making the system simple, inexpensive, and reliable. It is shown, by an averaging technique, that this system provides for orbit normal spin axis pointing. The effect of the coupling between the attitude dynamics and the DBI is evaluated, analyzing its frequency content and showing that no frequency components arise, affecting the DBI performance. The analysis is confirmed by Monte Carlo numerical simulation results

Place, publisher, year, edition, pages
2014. Vol. 54, no 3, p. 489-498
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Onboard space systems
Identifiers
URN: urn:nbn:se:ltu:diva-7491DOI: 10.1016/j.asr.2013.11.008Local ID: 5e45ace0-afe1-46cb-a684-c0be98bf5db0OAI: oai:DiVA.org:ltu-7491DiVA, id: diva2:980381
Note
Upprättat; 2014; 20160314 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Felicetti, Leonard

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