Physics
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994adspr..14..189c&link_type=abstract
Advances in Space Research, Volume 14, Issue 12, p. 189-195.
Physics
1
Scientific paper
The mission of the Huygens Probe is to enter into the Titan atmosphere and to descend in a controlled manner to the surface such that scientific measurements can be taken and transmitted to earth via the Orbiter. The entry is the most challenging phase of the mission. The deceleration is achieved by an aeroshell. Thermal protection against entry heat fluxes is achieved by an ablator rejecting heat mainly by radiation. The descent profile in terms of descent velocity, spin rate and attitude stability is designed to allow imaging, sampling and measurements at the various atmospheric layers within the overall time and energy constraints. The Huygens system has to operate in an autonomous and fault tolerant manner, as no ground control and failure recovery during the descent phase is feasible. This autonomy and fault tolerance is the main driver for the chosen architecture of the on-board system.
Clausen KN
Sainct Herve
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