Design and simulation of EVA tools and robot end effectors for servicing missions of the HST

Details Design and simulation of EVA tools and robot end effectors for servicing missions of the HST Design and simulation of EVA tools and robot end effectors for servicing missions of the HST

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995stin...9611506n&link_type=abstract

Final Report North Carolina Univ., Charlotte, NC. Dept. of Mechanical Engineering and Engineering Science.

Astronomy and Astrophysics

Astronomy

Aberration, Extravehicular Activity, Hubble Space Telescope, Payloads, Space Missions, Star Trackers, Cameras, Discovery (Orbiter), Mirrors, Photometers, Robots, Space Transportation System Flights, Spectrographs

Scientific paper

The Hubble Space Telescope (HST) was launched into near-earth orbit by the Space Shuttle Discovery on April 24, 1990. The payload of two cameras, two spectrographs, and a high-speed photometer is supplemented by three fine-guidance sensors that can be used for astronomy as well as for star tracking. A widely reported spherical aberration in the primary mirror causes HST to produce images of much lower quality than intended. A Space Shuttle repair mission in January 1994 installed small corrective mirrors that restored the full intended optical capability of the HST. A Second Servicing Mission (SM2) scheduled in 1997 will involve considerable Extra Vehicular Activity (EVA). To reduce EVA time, the addition of robotic capability in the remaining servicing missions has been proposed. Toward that end, two concept designs for a general purpose end effector for robots are presented in this report.

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