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 Virginia Tech takes on Department of Defense challenge to build disaster-response robots

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Date posted: 27/10/2012

Virginia Tech’s Robotics and Mechanisms Laboratory is leading an international team of academic and private corporate robotics experts in developing humanoid robots designed for intense disaster relief as part of a new U.S. Department of Defense-sponsored Robotics Challenge that lab founder/director Dennis Hong calls the “greatest challenge of my career.”

The task is massive: The adult-sized robot must be designed to enter a vehicle, drive it, and then exit the vehicle, walk over rubble, clear objects blocking a door, open the door, and enter a building. The robot then must visually and audibly locate and shut off a leaking valve, connect a hose or connector, climb an industrial ladder and traverse an industrial walkway.

The final and possibly most difficult task: Use a power tool and break through a concrete wall. All these tasks must be accomplished under a set time limit.

The robot’s ultimate end goal: Help save lives during a disaster where it is too dangerous or volatile for humans to enter. It’s nothing short of a robot fit for the movies made real and part of the 26-month Robotics Challenge announced today in Arlington, Va., by the Defense Advanced Research Projects Agency, or DARPA, a subsidiary of the U.S. Department of Defense dedicated to high-tech research. Virginia Tech will receive $4 million for the project.

“This is the craziest, boldest, most expensive, most challenging, yet possibly the most important robotics project in the history of mankind,” said Hong, associate professor of mechanical engineering at Virginia Tech’s College of Engineering, who will head the team. “We have a mission. Whether we succeed or not, if the technology we develop through this project can even save a single person’s life in the future, then everything is worth it. We believe we are truly changing the world. This challenge was probably what I was born for.”

The Robotics Challenge is a direct answer to the Fukushima Nuclear Plant disaster that befell Japan following a massive earthquake in March 2011. Japan, despite being known as a leader in the field of humanoid robotics, had no readily available robots that could enter the plant site – besieged by water from a tsunami after-effect of the earthquake, lacking power, and under meltdown conditions – to take stock of damage and begin work to stave off disaster and/or repair damage to the nuclear facility.

“The primary technical goal of the [competition] is to develop ground robots capable of executing complex tasks in dangerous, degraded, human-engineered environments,” the agency stated in its announcement of the challenge. “Competitors […] are expected to focus on robots that can use standard tools and equipment commonly available in human environments, ranging from hand tools to vehicles, with an emphasis on adaptability to tools with diverse specifications.”

In all, seven international teams will participate in the full Robotics Challenge, developing hardware and software systems that will operate the team. The challenge also includes several other tracks such as developing software for such a humanoid robot, and building computer simulation scenarios for rescue missions.

The exact type of robot to be developed also is left open, said Hong. The competition calls for neither an autonomous humanoid robot that can function on its own without instruction nor an “avatar”-like robot that would be fully controlled by an off-set human user. Hong said the robot developed by his team will operate under “supervised autonomy.”

Robots developed during the competition also could be used to help to locate and/or diffuse bombs or fight fires, according to the agency. Robots that are used now for such actions are limited in movement and agility, for instance being confined to wheels or treads. Passing over debris from a leveled building, or passing over so-called “knee knockers” in naval ships are, thus far, impossible for current robots in use.

Virginia Tech’s team will receive an estimated $4 million in funding, divided into three phases. The team must succeed at each phase, proving it has a viable working robot that can handle the assigned myriad of tasks. The first allocation of funding totals $1.80 million, with the second totaling $1.2 million, and the third just less than $1 million, said Hong.

The project’s end date is December 2014.

See the full Story via external site: www.vtnews.vt.edu



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