The expedition marks the first time a robot will be used to discover extraterrestrial material that has fallen to Earth and could serve as a prototype for future scientific missions to Mars and the Moon.

The Nomad research program and the expedition are funded by grants from the Cross Enterprise Technology Development Program of NASA's Office of Space Science. Additional support for a related public outreach program comes from the Heinz Endowments, the Henry C. Frick Fund of the Buhl Foundation and the Grable Foundation, all in Pittsburgh.

The expedition is the result of a collaboration between Carnegie Mellon researchers and the National Science Foundation's (NSF) Antarctic Search for Meteorites (ANSMET) program, which funds the work of ANSMET scientists through its Office of Polar Programs.

Since ANSMET was established in 1976, its members have collected more than 10,000 meteorites during their annual expeditions to Antarctica. They subsequently have been made available to the world's scientists for study.

The principal investigator on the Nomad project is William L. "Red" Whittaker, the Fredkin research professor and founder of the Field Robotics Center at Carnegie Mellon's Robotics Institute. The project manager is Robotics Institute Systems Scientist Dimitrios Apostolopoulos.

A six-member Carnegie Mellon team will be supporting the experiments on the ice. The group includes Robotics Institute doctoral students Stuart Moorhead, Liam Pedersen and Kim Shillcutt, Mark Sibenac and Michael Wagner, who are studying for master's degrees in electrical and computer engineering, and Ben Shamah, a senior research engineer at the Robotics Institute.

The head of the ANSMET program is Ralph P. Harvey, assistant professor of geological science at Case Western Reserve University. His associate, John Schutt, will be collecting Nomad's meteorite choices in the field.

"This expedition will showcase the ability of a robot to discover meteorites, distinguish them from surrounding rocks and do it in an autonomous, self-reliant, self-contained manner," said Whittaker. "The breakthrough technologies are robotic classification and search. Humans classify every time they sort pennies from nickels, and they search every time they lose their car keys.

"But these are new skills for robots. Classification and search both must succeed for the autonomous meteorite discovery to succeed. Until now, explorative robots have taken pictures, gathered data and returned what they viewed to scientists who made judgments and decisions. This time Nomad will make its own judgments and inferences about the rocks that it encounters," added Whittaker
Images by CMU, Reprocessed By SpaceDaily

ROBOT'S DO ANTARCTICA - PART TWO
Nomad 2000 Search Area
Pittsburgh - January 17, 2000The robotic search for meteorites is taking place at Elephant Moraine, a remote area in eastern Antarctica, 160 miles northwest of the United States base at McMurdo Station. Nomad and the Carnegie Mellon/ANSMET team were transported to the site from NSF's staging ground at McMurdo via light aircraft and helicopter.

CMU's Robotic Antarctic Bibliography

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