Other
Scientific paper
Nov 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992spie.1828..367g&link_type=abstract
Proc. SPIE Vol. 1828, p. 367-372, Sensor Fusion V, Paul S. Schenker; Ed.
Other
Scientific paper
This paper describes the control system for Rocky IV, a prototype microrover designed to demonstrate proof-of-concept for a low-cost scientific mission to Mars. Rocky IV uses a behavior-based control architecture which implements a large variety of functions displaying various degrees of autonomy, from completely autonomous long-duration conditional sequences of actions to very precisely described actions resembling classical AI operators. The control system integrates information from infrared proximity sensors, proprioceptive encoders which report on the state of the articulation of the rover's suspension system and other mechanics, a homing beacon, a magnetic compass, and contact sensors. In addition, significant functionality is implemented as 'virtual sensors', computed values which are presented to the system as if they were sensors values. The robot is able to perform a variety of useful tasks, including soil sample collection, removal of surface weathering layers from rocks, spectral imaging, instrument deployment, and sample return, under realistic mission- like conditions in Mars-like terrain.
Behar Albert
Desai Rajiv
Gat Erann
Ivlev Robert V.
Loch John L.
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