Daily Science Journal (Jul. 26, 2007) — PITTSBURGH - Grace and George, a pair of socially skilled robots developed by a team of researchers from Carnegie Mellon University, the Naval Research Laboratory and Swarthmore College, will participate in the American Association for Artificial Intelligence (AAAI) annual Mobile Robot Competition and Exhibition July 27-29, at the San Jose Convention Center in San Jose, Calif.

GRACE, shown above, is a B21R Mobile Robot built by RWI. She has an expressive face on a panning platform as well as a large array of sensors. The sensors include a microphone, touch sensors, infrared sensors, sonar sensors, a scanning laser range finder, a stereo camera head on a pan-tilt unit, and a single color camera with pan-tilt-zoom capability. GRACE can speak using a high-quality speech synthesizer, and understand responses using her microphone and speech recognition software. (Photo courtesy of Carnegie Mellon University)

Grace and George are six-foot-tall, socially adept, autonomous talking robots with digitally animated faces. The robots will work as a team to complete AAAI's Open Interaction Task, which involves interacting with conference attendees in an unstructured environment.


Grace will "work" at a booth, communicating information about the conference and schedule, while George circulates among the crowd, interacting with people, answering their questions and escorting them to conference locations. Grace will contact George and schedule times for "him" to meet and escort people to various locations. Those being escorted will put on a specially colored hat, and George will lead them to their destinations.

Though the robots have participated in AAAI's challenge since 2002, their role in this year's conference poses a new challenge.

"Having George and Grace operating throughout the conference ? not just for an hour, but working throughout the duration ? is more of a challenge," said project coordinator Reid Simmons, research professor in Carnegie Mellon's Robotics Institute. "We're pushing for a sustained presence by the robots so people can interact with them at their leisure."

He added that the group chose to participate in Open Interaction Task instead of the Robot challenge because they wanted to showcase the human-robot interaction focus of the Grace and George project.

Grace competed in AAAI's Robot Challenge in 2002 where she acted as a conference attendee. She managed to find her way to the registration booth at the Edmonton Convention Center, Alberta, Canada, register for the conference, navigate to an elevator, and find the third-floor conference room where she gave a PowerPoint presentation about herself.

At future conferences, Simmons says the team will continue to focus on human-robot interaction, with hopes of developing reliable speech recognition and creating robots that would fill the role of volunteer workers at the conference.

For more information on Grace and George, see http://www.ri.cmu.edu/projects/project_522.html.

For more information on AAAI and the Robot Challenge, see http://www.aaai.org.

Adapted from materials provided by Carnegie Mellon University.



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