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Novel #algorithms for #satellite attitude control are developed that take aerodynamic forces and moments into account. For this purpose, two strategies are pursued in parallel, which are based on the measurement of disturbances and on data-driven approaches, respectively.

#Simulation tool for planning #manoeuvres considering the acting aerodynamic forces, the associated uncertainties & thrusts will be developed & investigated. It will provide the possibility to identify optimal manoeuvre strategies or to evaluate the effects of #satellite design.

For the second #Advent, listen to our #interview with Prof. Lamanna about her research projects in Area B "Enabling Subsystems" of the #ATLAS CRC 1667. Light the second candle on your Advent wreath and enjoy the festive #season.

In this #project, Helicon-mode Inductive #Plasma Thrusters (IPT/HPT) and potential alternative #concepts are investigated. The use of IPT/HPT as an electrode/gridless concept circumvents the problem of degradation due to exposure to atomic oxygen.

A collector efficiency for #atmosphere-breathing #electric propulsion systems can be achieved by using porous structures. Methods for efficient scaling to macroscopic structures will be developed & evaluated, realizing relationships between networks of pore bodies with a model.

Potentials for #drag compensation & #attitude control using asymmetric emission of solar radiation & internal waste heat of a #satellite are investigated. Focus is on investigating the applicability of effects by means of analytical methods, ray tracing simulations & experiments.

Micrometre-thick, highly efficient perovskite #solarcells produced by a printing process on very thin & flexible glass/polymer films are developed & characterised. The degradation behaviour of such solar modules in the chemically aggressive environment of #VLEO is investigated.

Miniaturised, modular integrated photonic #chips are developed & investigated, which represent #elements for quantum #technology applications in #space. Communication chips are formed that will allow the potential of integrated photonics for quantum communication to be evaluated.

It is difficult to bring all the people involved in #ATLAS together because it involves #professors, #PhD students and researchers from 13 different #institutions. Involved are ILS, INS, GIS, IRS, ipv, FMQ, IAG, ITheoC, IFR, IWS, ITLR, ILH and DLR.

🕯️To wrap up all the project areas, we met with Prof. Sneeuw, who represents Project Area C entitled: Mission-related #Challenges. Hear what the main challenges are in VLEO and how #ATLAS is trying to address them. 🛰️

Requirements & design principles for ground & space segments are investigated for the operation of satellites in VLEO. It explores how existing operational methods need to be combined & to what extent new methods need to be implemented to achieve a sufficient level of automation.

Method for precise #orbit and attitude determination based on the chirp pulse compression method of #laser radiation in the near-infrared spectral region will be developed. The approach promises a significant increase in achievable efficiency and signal-to-noise ratio.

The use of communication techniques with very high data rates in the high mmWave frequency range between 40-110 GHz will be investigated. Research includes: dynamic calculation of link budgets, achievable performance of key components & a comparison with laser-based transceivers.

Research of models & methods for a selforganising, safety-critical & distributed autonomous computing platform for VLEO satellites & their ground segment infrastructure. Development of selforganisation algorithms for automatic function allocation in a changing computing topology.

Algorithms for precise attitude and #orbit determination are developed. These will not only provide the most accurate #satellite orbits, but also estimates of atmospheric density and other parameters relevant to applications and satellite operations in #VLEO.

Based on developments in inertial #sensor and ranging #technologies, this project aims to systematically investigate all factors relevant to the design of a future multi-satellite mission to measure the gravitational field with a #VLEO constellation.

For our final #interview, we visited Prof. Fasulas in his office. As one of the spokespeople for #ATLAS, he can tell you more about the overall connection between the subprojects. We wish you a wonderful fourth #Advent.

🎄Christmas is just around the corner and we hope you all have a wonderful time. You may have discovered us on the Christmas tree, as well as other groups like KSat Stuttgart and astraeus.

👨‍🚀As the Advent season comes to a close, our team, along with #ESA #astronaut Matthias Maurer, wishes you a Merry #Christmas and a Happy New Year! We thank you for your support and look forward to what 2025 has in store!

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