| PTI : Washington, Fri Jun 07 2013, 16:19 hrs    The US Army has developed a realistic robot bird that has even tricked real flocks and hawks to attack it midair, making it a potential unsuspecting future war agent. Robo-Raven was developed in collaboration with a team of University of Maryland researchers, including an Indian-origin scientist. It glides, soars and flaps like a real bird. Its complete individual wing control allows for extreme aerobatics that no other mechanical bird has ever been able to perform, researchers from the US Army Research Laboratory (ARL) claim. However, its ability to hide in plain sight and light weight is what excites researchers most. "It already attracts attention from birds in the area which tends to hide its presence," said John Gerdes, a mechanical engineer with the Vehicle Technology Directorate at Aberdeen Proving Ground. Robo-Raven is much quieter than the helicopter or propeller, so it could get much closer to an adversary without revealing its presence. It's made out of carbon fibre, 3D-printed lightweight thermalresistant plastic, Mylar foil and foam. The geometrically complex figure is shorter than two feet and weighs less than a can of soda. Gerdes, a doctoral candidate, began building Robo-Raven in 2008 as part of graduate research at the University of Maryland's Advanced Manufacturing Laboratory that focused on developing a tech demonstrator for manufacturing techniques that morphed into a variety of spinoff research efforts. Dr SK Gupta, a professor in mechanical engineering, began working on flapping-wing robotic birds nearly a decade ago. Gupta and his graduate students, along with mechanical engineering professor Hugh Bruck, first successfully demonstrated a flapping-wing bird in 2007. This bird used one motor to flap both wings together in simple motions. By 2010, the design had evolved to more than four successive models. The final bird was able to carry a tiny video camera, could be launched from a ground robot that ARL researchers created called the Lynchbot, and could fly in winds up to 10 mph - important breakthroughs for robotic micro-air vehicles that one day could be used for reconnaissance and surveillance. ... contd. ALSO READTERMS OF USE: The views, opinions and comments posted are your, and are not endorsed by this website. You shall be solely responsible for the comment posted here. The website reserves the right to delete, reject, or otherwise remove any views, opinions and comments posted or part thereof. You shall ensure that the comment is not inflammatory, abusive, derogatory, defamatory &/or obscene, or contain pornographic matter and/or does not constitute hate mail, or violate privacy of any person (s) or breach confidentiality or otherwise is illegal, immoral or contrary to public policy. Nor should it contain anything infringing copyright &/or intellectual property rights of any person(s).  via Science - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNEe9jKqEFEXfLISphy4q8vrKI0FSQ&url=http://www.indianexpress.com/news/future-war-agent-us-army-develops-realistic-robot-bird/1126299/ | |||
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