Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Gabriella Gaias"'
Publikováno v:
Aerospace, Vol 11, Iss 3, p 224 (2024)
In recent years, the interest in proximity operations to uncooperative and non-collaborative objects has been growing and and demanding for specific technology advances to tackle these challenging cases of in-orbit servicing and removal missions. Ind
Externí odkaz:
https://doaj.org/article/af0b8076f55b4877b6af4bd0d2ac1f8f
Publikováno v:
Aerospace, Vol 10, Iss 11, p 959 (2023)
In this paper, the problem of autonomous optimal absolute orbit keeping for a satellite mission in Low Earth Orbit using electric propulsion is considered. The main peculiarity of the approach is to support small satellite missions in which the platf
Externí odkaz:
https://doaj.org/article/09b33bb29a0e4b919e6a828e06016f6b
Publikováno v:
Acta Astronautica. 205:33-46
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::477bef89cc61da50f4e50f08b0d6f638
https://doi.org/10.1016/j.actaastro.2023.01.021
https://doi.org/10.1016/j.actaastro.2023.01.021
This paper presents a strategy for optimal manoeuvre design of multi-satellite formation flying in low Earth orbit environment, with the aim of providing a tool for mission operation design. The proposed methodology for formation flying manoeuvres fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::affc2f0ab576fde80d9f641afb288c21
http://hdl.handle.net/11311/1188459
http://hdl.handle.net/11311/1188459
A practical and effective numerical method is presented, aiming at solving the problem of initial relative orbit determination using solely line-of-sight measurements. The proposed approach exploits the small discrepancies which can be observed betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bbe849cf6f93312a013687aa38d46c2d
http://hdl.handle.net/11311/1139190
http://hdl.handle.net/11311/1139190
Publikováno v:
Advances in Space Research
This work presents a precise analytical model to reconstruct the line-of-sight vector to a target satellite over time, as required by angles-only relative navigation systems for application to rendezvous missions. The model includes the effects of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15621e0da7e9669838549bd6bf35a65a
http://hdl.handle.net/11311/1099115
http://hdl.handle.net/11311/1099115
Publikováno v:
Acta Astronautica. 123:409-419
AVANTI is a formation-flight experiment involving two noncooperative satellites. After a brief overview of the challenges that experiment design and scenario induce, this paper presents the safety concept retained to guarantee the safety of the forma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db61f93ced195b5b2b6c14f721e527c2
https://doi.org/10.1016/j.actaastro.2015.12.034
https://doi.org/10.1016/j.actaastro.2015.12.034
The paper provides an overview of the angles-only relative orbit determination activities conducted to support the Autonomous Vision Approach Navigation and Target Identification (AVANTI) experiment. This in-orbit endeavor was carried out by the Germ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83183945ff76bdeaeccf77a57db6f9f9
https://elib.dlr.de/114308/
https://elib.dlr.de/114308/
The paper describes the onboard vision-based navigation software employed during the DLR's AVANTI experiment and presents its flight performance. The navigation task relies on a dedicated target detection module in charge of extracting the line-of-si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a4088865adfcd091b5027cc8a9d4f29
http://hdl.handle.net/11311/1139191
http://hdl.handle.net/11311/1139191
This paper presents ultimate design, implementation, and in-flight performance of the spaceborne guidance navigation and control system which enabled the Autonomous Vision Approach Navigation and Target Identification (AVANTI) experiment; a flight de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4992e9176a6e65b27a8dce866ab57cf2
https://elib.dlr.de/115566/
https://elib.dlr.de/115566/