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Technical Paper

Technology and Demonstrations for a Lunar Rover Expedition

1996-07-01
961621
A favored launch vehicle is the extended H-IIA of Japanese manufacture, and a derivative of the Russian Phobos lander would deliver the rovers to the lunar surface. Each rover has a mass of 240 kg, generates 430 watts of electricity from solar arrays, and uses isotope units to provide 325 watts of heat to hibernate at night. ...The Lunar Rover Initiative (LRI) is producing technological and programmatic steps toward a commercial robotic expedition on the Moon at the turn of the millennium. ...Two teleoperated rovers will commemorate Apollo Era lunar landings by revisiting the historic sites of Apollo 11, Surveyor 5, Ranger 8, Apollo 17 and Lunokhod 2 during a two year, 2000km trek.
Technical Paper

Safeguarded Teleoperation for Lunar Rovers

1996-07-01
961585
This approach shares control of the rover using a command fusion strategy: In benign situations, users remotely drive the rover; in hazardous situations, a safeguarding system running on-board the rover overwrites user commands to ensure vehicle safety. ...This approach shares control of the rover using a command fusion strategy: In benign situations, users remotely drive the rover; in hazardous situations, a safeguarding system running on-board the rover overwrites user commands to ensure vehicle safety. This strategy satisfies users, because it allows them to drive (except in hazardous situations), while maintaining the integrity of the rover and mission. ...This strategy satisfies users, because it allows them to drive (except in hazardous situations), while maintaining the integrity of the rover and mission. We present results from experiments on untrained teleoperators with and without safeguarding, which reveal needs to be met by future user interfaces.
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