Computer Science
Scientific paper
Jan 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002iaf..confe.802e&link_type=abstract
IAF abstracts, 34th COSPAR Scientific Assembly, The Second World Space Congress, held 10-19 October, 2002 in Houston, TX, USA.,
Computer Science
Scientific paper
The Advanced TeLerobotic Actuation System (ATLAS) is a systems design for a robotic in-orbit servicer [Ellery 2000]. Although ATLAS may be utilised in any Earth orbit such as geostationary and polar orbits, its nominal baseline design mission was for in-orbit servicing in Low Earth Orbit (LEO) to Medium Earth Orbit (MEO) at low inclinations. Given that recent analyses suggest that the greatest market potential is for geostationary equatorial orbit (GEO) operations [Kreisel 2002], ATLAS has been re-designed to perform in this orbit [Ellery 2002]. In this paper, the impact on the systems design (as defined by the design budgets) in utilising electric propulsion for orbit transfers is compared with the standard case of using chemical propulsion in both LEO and GEO operational modes, particularly the trade-off between power and fuel. Operational issues such as mean-time-between-servicing (MTBS) is also explored between the two different propulsion options.
Ellery A. A.
Welch Carl
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